1 | <html xmlns:v="urn:schemas-microsoft-com:vml"
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2 |
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3 | xmlns:o="urn:schemas-microsoft-com:office:office"
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4 |
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5 | xmlns:w="urn:schemas-microsoft-com:office:word"
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6 |
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7 | xmlns="http://www.w3.org/TR/REC-html40">
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8 |
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9 |
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10 |
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11 | <head>
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12 |
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13 | <meta http-equiv=Content-Type content="text/html; charset=windows-1252">
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14 |
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15 | <meta name=ProgId content=Word.Document>
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16 |
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17 | <meta name=Generator content="Microsoft Word 9">
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18 |
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19 | <meta name=Originator content="Microsoft Word 9">
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20 |
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21 | <link rel=File-List href="./PCPM_files/filelist.xml">
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22 |
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23 | <title>Production and Collection of Pion and Muon beams</title>
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24 |
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25 | <!--[if gte mso 9]><xml>
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26 |
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27 | <o:DocumentProperties>
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28 |
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29 | <o:Author>Bruno Autin</o:Author>
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30 |
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31 | <o:Template>Normal</o:Template>
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32 |
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33 | <o:LastAuthor>Bruno Autin</o:LastAuthor>
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34 |
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35 | <o:Revision>2</o:Revision>
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36 |
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37 | <o:TotalTime>410</o:TotalTime>
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38 |
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39 | <o:Created>2002-12-02T12:18:00Z</o:Created>
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40 |
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41 | <o:LastSaved>2002-12-02T12:18:00Z</o:LastSaved>
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42 |
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43 | <o:Pages>4</o:Pages>
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44 |
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45 | <o:Words>1264</o:Words>
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46 |
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47 | <o:Characters>7206</o:Characters>
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48 |
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49 | <o:Company>CERN</o:Company>
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50 |
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51 | <o:Lines>60</o:Lines>
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52 |
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53 | <o:Paragraphs>14</o:Paragraphs>
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54 |
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55 | <o:CharactersWithSpaces>8849</o:CharactersWithSpaces>
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56 |
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57 | <o:Version>9.4402</o:Version>
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58 |
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59 | </o:DocumentProperties>
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60 |
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61 | </xml><![endif]-->
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62 |
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63 | <style>
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64 |
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65 | <!--
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66 |
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67 | /* Font Definitions */
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68 |
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69 | @font-face
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70 |
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71 | {font-family:Times;
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72 |
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73 | panose-1:2 2 6 3 5 4 5 2 3 4;
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74 |
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75 | mso-font-charset:0;
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76 |
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77 | mso-generic-font-family:roman;
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78 |
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79 | mso-font-pitch:variable;
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80 |
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81 | mso-font-signature:536902279 -2147483648 8 0 511 0;}
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82 |
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83 | @font-face
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84 |
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85 | {font-family:Wingdings;
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86 |
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87 | panose-1:5 0 0 0 0 0 0 0 0 0;
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88 |
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89 | mso-font-charset:2;
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90 |
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91 | mso-generic-font-family:auto;
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92 |
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93 | mso-font-pitch:variable;
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94 |
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95 | mso-font-signature:0 268435456 0 0 -2147483648 0;}
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96 |
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97 | @font-face
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98 |
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99 | {font-family:"Arial Unicode MS";
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100 |
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101 | panose-1:2 11 6 4 2 2 2 2 2 4;
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102 |
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103 | mso-font-charset:128;
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104 |
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105 | mso-generic-font-family:swiss;
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106 |
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107 | mso-font-pitch:variable;
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108 |
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109 | mso-font-signature:-1 -369098753 63 0 4129023 0;}
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110 |
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111 | @font-face
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112 |
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113 | {font-family:"\@Arial Unicode MS";
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114 |
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115 | mso-font-charset:128;
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116 |
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117 | mso-generic-font-family:swiss;
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118 |
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119 | mso-font-pitch:variable;
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120 |
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121 | mso-font-signature:-1 -369098753 63 0 4129023 0;}
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122 |
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123 | /* Style Definitions */
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124 |
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125 | p.MsoNormal, li.MsoNormal, div.MsoNormal
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126 |
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127 | {mso-style-parent:"";
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128 |
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129 | margin:0in;
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130 |
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131 | margin-bottom:.0001pt;
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132 |
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133 | mso-pagination:widow-orphan;
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134 |
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135 | font-size:12.0pt;
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136 |
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137 | font-family:"Times New Roman";
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138 |
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139 | mso-fareast-font-family:"Times New Roman";}
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140 |
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141 | h1
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142 |
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143 | {mso-style-next:Normal;
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144 |
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145 | margin:0in;
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146 |
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147 | margin-bottom:.0001pt;
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148 |
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149 | text-align:center;
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150 |
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151 | mso-pagination:widow-orphan;
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152 |
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153 | page-break-after:avoid;
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154 |
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155 | mso-outline-level:1;
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156 |
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157 | font-size:12.0pt;
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158 |
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159 | mso-bidi-font-size:10.0pt;
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160 |
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161 | font-family:Times;
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162 |
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163 | mso-bidi-font-family:"Times New Roman";
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164 |
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165 | mso-font-kerning:0pt;}
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166 |
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167 | h2
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168 |
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169 | {mso-style-next:Normal;
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170 |
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171 | margin:0in;
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172 |
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173 | margin-bottom:.0001pt;
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174 |
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175 | mso-pagination:widow-orphan;
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176 |
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177 | page-break-after:avoid;
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178 |
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179 | mso-outline-level:2;
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180 |
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181 | font-size:12.0pt;
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182 |
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183 | mso-bidi-font-size:10.0pt;
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184 |
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185 | font-family:Times;
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186 |
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187 | mso-bidi-font-family:"Times New Roman";}
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188 |
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189 | h3
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190 |
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191 | {mso-style-next:Normal;
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192 |
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193 | margin-top:12.0pt;
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194 |
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195 | margin-right:0in;
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196 |
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197 | margin-bottom:3.0pt;
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198 |
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199 | margin-left:0in;
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200 |
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201 | mso-pagination:widow-orphan;
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202 |
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203 | page-break-after:avoid;
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204 |
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205 | mso-outline-level:3;
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206 |
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207 | font-size:13.0pt;
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208 |
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209 | font-family:Arial;}
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210 |
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211 | h6
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212 |
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213 | {mso-style-next:Normal;
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214 |
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215 | margin:0in;
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216 |
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217 | margin-bottom:.0001pt;
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218 |
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219 | text-align:center;
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220 |
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221 | mso-pagination:widow-orphan;
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222 |
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223 | page-break-after:avoid;
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224 |
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225 | mso-outline-level:6;
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226 |
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227 | font-size:10.0pt;
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228 |
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229 | font-family:Times;
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230 |
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231 | mso-bidi-font-family:"Times New Roman";
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232 |
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233 | mso-ansi-language:EN-GB;}
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234 |
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235 | p.MsoHeading7, li.MsoHeading7, div.MsoHeading7
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236 |
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237 | {mso-style-next:Normal;
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238 |
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239 | margin:0in;
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240 |
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241 | margin-bottom:.0001pt;
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242 |
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243 | text-align:center;
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244 |
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245 | mso-pagination:widow-orphan;
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246 |
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247 | page-break-after:avoid;
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248 |
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249 | mso-outline-level:7;
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250 |
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251 | tab-stops:327.75pt;
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252 |
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253 | font-size:12.0pt;
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254 |
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255 | mso-bidi-font-size:10.0pt;
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256 |
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257 | font-family:"Times New Roman";
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258 |
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259 | mso-fareast-font-family:"Times New Roman";
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260 |
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261 | mso-ansi-language:FR;}
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262 |
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263 | p.MsoHeading8, li.MsoHeading8, div.MsoHeading8
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264 |
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265 | {mso-style-next:Normal;
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266 |
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267 | margin:0in;
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268 |
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269 | margin-bottom:.0001pt;
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270 |
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271 | text-align:center;
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272 |
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273 | mso-pagination:widow-orphan;
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274 |
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275 | page-break-after:avoid;
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276 |
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277 | mso-outline-level:8;
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278 |
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279 | font-size:12.0pt;
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280 |
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281 | mso-bidi-font-size:10.0pt;
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282 |
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283 | font-family:"Times New Roman";
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284 |
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285 | mso-fareast-font-family:"Times New Roman";}
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286 |
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287 | p.MsoFootnoteText, li.MsoFootnoteText, div.MsoFootnoteText
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288 |
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289 | {margin:0in;
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290 |
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291 | margin-bottom:.0001pt;
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292 |
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293 | mso-pagination:widow-orphan;
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294 |
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295 | font-size:10.0pt;
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296 |
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297 | font-family:"Times New Roman";
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298 |
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299 | mso-fareast-font-family:"Times New Roman";}
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300 |
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301 | span.MsoFootnoteReference
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302 |
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303 | {vertical-align:super;}
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304 |
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305 | p.MsoBodyText2, li.MsoBodyText2, div.MsoBodyText2
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306 |
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307 | {margin:0in;
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308 |
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309 | margin-bottom:.0001pt;
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310 |
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311 | text-align:justify;
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312 |
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313 | mso-pagination:widow-orphan;
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314 |
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315 | font-size:12.0pt;
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316 |
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317 | mso-bidi-font-size:10.0pt;
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318 |
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319 | font-family:"Times New Roman";
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320 |
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321 | mso-fareast-font-family:"Times New Roman";}
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322 |
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323 | pre
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324 |
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325 | {margin:0in;
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326 |
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327 | margin-bottom:.0001pt;
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328 |
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329 | mso-pagination:widow-orphan;
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330 |
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331 | font-size:10.0pt;
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332 |
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333 | font-family:"Arial Unicode MS";}
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334 |
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335 | @page Section1
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336 |
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337 | {size:8.5in 11.0in;
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338 |
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339 | margin:1.0in 1.25in 1.0in 1.25in;
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340 |
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341 | mso-header-margin:.5in;
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342 |
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343 | mso-footer-margin:.5in;
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344 |
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345 | mso-paper-source:0;}
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346 |
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347 | div.Section1
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348 |
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349 | {page:Section1;}
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350 |
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351 | /* List Definitions */
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352 |
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353 | @list l0
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354 |
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355 | {mso-list-id:72551880;
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356 |
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357 | mso-list-type:hybrid;
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358 |
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359 | mso-list-template-ids:-456780248 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
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360 |
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361 | @list l0:level1
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362 |
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363 | {mso-level-tab-stop:.5in;
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364 |
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365 | mso-level-number-position:left;
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366 |
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367 | text-indent:-.25in;}
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368 |
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369 | @list l1
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370 |
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371 | {mso-list-id:540172047;
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372 |
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373 | mso-list-type:hybrid;
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374 |
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375 | mso-list-template-ids:421925912 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
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376 |
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377 | @list l1:level1
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378 |
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379 | {mso-level-number-format:bullet;
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380 |
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381 | mso-level-text:\F0B7;
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382 |
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383 | mso-level-tab-stop:.25in;
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384 |
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385 | mso-level-number-position:left;
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386 |
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387 | margin-left:.25in;
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388 |
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389 | text-indent:-.25in;
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390 |
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391 | font-family:Symbol;}
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392 |
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393 | @list l2
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394 |
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395 | {mso-list-id:799229683;
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396 |
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397 | mso-list-type:hybrid;
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398 |
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399 | mso-list-template-ids:452993596 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
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400 |
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401 | @list l2:level1
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402 |
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403 | {mso-level-number-format:bullet;
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404 |
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405 | mso-level-text:\F0B7;
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406 |
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407 | mso-level-tab-stop:.5in;
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408 |
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409 | mso-level-number-position:left;
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410 |
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411 | text-indent:-.25in;
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412 |
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413 | font-family:Symbol;}
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414 |
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415 | @list l3
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416 |
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417 | {mso-list-id:987590671;
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418 |
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419 | mso-list-type:hybrid;
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420 |
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421 | mso-list-template-ids:1784556808 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
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422 |
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423 | @list l3:level1
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424 |
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425 | {mso-level-tab-stop:.5in;
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426 |
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427 | mso-level-number-position:left;
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428 |
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429 | text-indent:-.25in;}
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430 |
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431 | @list l4
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432 |
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433 | {mso-list-id:1179003425;
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434 |
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435 | mso-list-type:hybrid;
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436 |
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437 | mso-list-template-ids:-890570408 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
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438 |
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439 | @list l4:level1
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440 |
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441 | {mso-level-number-format:bullet;
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442 |
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443 | mso-level-text:\F0B7;
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444 |
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445 | mso-level-tab-stop:.5in;
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446 |
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447 | mso-level-number-position:left;
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448 |
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449 | text-indent:-.25in;
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450 |
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451 | font-family:Symbol;}
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452 |
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453 | @list l5
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454 |
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455 | {mso-list-id:1589340010;
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456 |
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457 | mso-list-type:hybrid;
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458 |
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459 | mso-list-template-ids:1457928586 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
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460 |
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461 | @list l5:level1
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462 |
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463 | {mso-level-tab-stop:.25in;
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464 |
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465 | mso-level-number-position:left;
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466 |
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467 | margin-left:.25in;
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468 |
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469 | text-indent:-.25in;}
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470 |
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471 | @list l6
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472 |
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473 | {mso-list-id:1699549392;
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474 |
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475 | mso-list-type:hybrid;
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476 |
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477 | mso-list-template-ids:1421225930 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
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478 |
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479 | @list l6:level1
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480 |
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481 | {mso-level-tab-stop:.5in;
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482 |
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483 | mso-level-number-position:left;
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484 |
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485 | text-indent:-.25in;}
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486 |
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487 | @list l7
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488 |
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489 | {mso-list-id:1807701753;
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490 |
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491 | mso-list-type:hybrid;
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492 |
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493 | mso-list-template-ids:-1316326160 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
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494 |
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495 | @list l7:level1
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496 |
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497 | {mso-level-number-format:bullet;
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498 |
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499 | mso-level-text:\F0B7;
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500 |
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501 | mso-level-tab-stop:.5in;
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502 |
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503 | mso-level-number-position:left;
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504 |
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505 | text-indent:-.25in;
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506 |
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507 | font-family:Symbol;}
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508 |
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509 | ol
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510 |
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511 | {margin-bottom:0in;}
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512 |
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513 | ul
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514 |
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515 | {margin-bottom:0in;}
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516 |
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517 | -->
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518 |
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519 | </style>
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520 |
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521 | <!--[if gte mso 9]><xml>
|
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522 |
|
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523 | <o:shapedefaults v:ext="edit" spidmax="2050"/>
|
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524 |
|
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525 | </xml><![endif]--><!--[if gte mso 9]><xml>
|
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526 |
|
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527 | <o:shapelayout v:ext="edit">
|
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528 |
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529 | <o:idmap v:ext="edit" data="1"/>
|
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530 |
|
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531 | </o:shapelayout></xml><![endif]-->
|
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532 |
|
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533 | </head>
|
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534 |
|
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535 |
|
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536 |
|
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537 | <body lang=EN-US style='tab-interval:.5in'>
|
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538 |
|
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539 |
|
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540 |
|
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541 | <div class=Section1>
|
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542 |
|
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543 |
|
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544 |
|
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545 | <p class=MsoBodyText2 align=left style='text-align:left'><b><span lang=EN-GB
|
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546 |
|
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547 | style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></b></p>
|
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548 |
|
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549 |
|
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550 |
|
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551 | <p class=MsoHeading8><b>Production and Collection of Pion and Muon beams<o:p></o:p></b></p>
|
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552 |
|
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553 |
|
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554 |
|
---|
555 | <h1><span style='font-family:"Times New Roman"'>PCPM<o:p></o:p></span></h1>
|
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556 |
|
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557 |
|
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558 |
|
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559 | <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
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560 |
|
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561 |
|
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562 |
|
---|
563 | <p class=MsoHeading7><span lang=FR>B. Autin<a style='mso-footnote-id:ftn1'
|
---|
564 |
|
---|
565 | href="#_ftn1" name="_ftnref1" title=""><span class=MsoFootnoteReference></span></a>,
|
---|
566 |
|
---|
567 | J.M. Maugain, P. Sievers, A. Verdier (CERN)</span></p>
|
---|
568 |
|
---|
569 |
|
---|
570 |
|
---|
571 | <p class=MsoBodyText2 align=center style='text-align:center'>François Méot
|
---|
572 |
|
---|
573 | (CEA-DAPNIA)</p>
|
---|
574 |
|
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575 |
|
---|
576 |
|
---|
577 | <p class=MsoBodyText2 align=center style='text-align:center'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
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578 |
|
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579 |
|
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580 |
|
---|
581 | <p class=MsoBodyText2 align=center style='text-align:center'>26 November 2002</p>
|
---|
582 |
|
---|
583 |
|
---|
584 |
|
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585 | <p class=MsoBodyText2><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
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586 |
|
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587 |
|
---|
588 |
|
---|
589 | <h2><span style='font-family:"Times New Roman"'>List of Participating
|
---|
590 |
|
---|
591 | laboratories/institutes/industry to the proposal: <o:p></o:p></span></h2>
|
---|
592 |
|
---|
593 |
|
---|
594 |
|
---|
595 | <p class=MsoBodyText2>CEA-CERN<b><span lang=EN-GB style='mso-ansi-language:
|
---|
596 |
|
---|
597 | EN-GB'> <o:p></o:p></span></b></p>
|
---|
598 |
|
---|
599 |
|
---|
600 |
|
---|
601 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'>Possible
|
---|
602 |
|
---|
603 | associate laboratories or institutes<o:p></o:p></span></b></p>
|
---|
604 |
|
---|
605 |
|
---|
606 |
|
---|
607 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>IN2P3-Orsay,
|
---|
608 |
|
---|
609 | RAL, Jülich, PSI, University of Cracow, </span>MAFF ( Munich Accelerator for
|
---|
610 |
|
---|
611 | Fission Fragments)<span style='mso-fareast-font-family:"Arial Unicode MS"'><o:p></o:p></span></p>
|
---|
612 |
|
---|
613 |
|
---|
614 |
|
---|
615 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>.<o:p></o:p></span></p>
|
---|
616 |
|
---|
617 |
|
---|
618 |
|
---|
619 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'>General
|
---|
620 |
|
---|
621 | introduction<o:p></o:p></span></b></p>
|
---|
622 |
|
---|
623 |
|
---|
624 |
|
---|
625 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>The
|
---|
626 |
|
---|
627 | history of neutrino physics follows the traditional line of particle physics
|
---|
628 |
|
---|
629 | starting with cosmic rays and continuing with accelerator beams. Three
|
---|
630 |
|
---|
631 | generation of beams can be distinguished:<o:p></o:p></span></p>
|
---|
632 |
|
---|
633 |
|
---|
634 |
|
---|
635 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l6 level1 lfo1;
|
---|
636 |
|
---|
637 | tab-stops:list .5in'><![if !supportLists]><span lang=EN-GB style='mso-ansi-language:
|
---|
638 |
|
---|
639 | EN-GB'>1.<span style='font:7.0pt "Times New Roman"'>
|
---|
640 |
|
---|
641 | </span></span><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>present
|
---|
642 |
|
---|
643 | or already decided experiments: K2K, MiniBOONE, MINOS and CNGS,<o:p></o:p></span></p>
|
---|
644 |
|
---|
645 |
|
---|
646 |
|
---|
647 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l6 level1 lfo1;
|
---|
648 |
|
---|
649 | tab-stops:list .5in'><![if !supportLists]><span lang=EN-GB style='mso-ansi-language:
|
---|
650 |
|
---|
651 | EN-GB'>2.<span style='font:7.0pt "Times New Roman"'>
|
---|
652 |
|
---|
653 | </span></span><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>super
|
---|
654 |
|
---|
655 | beams using higher power proton accelerators (JHF) below 1MW and the off-axis
|
---|
656 |
|
---|
657 | pion beams,<o:p></o:p></span></p>
|
---|
658 |
|
---|
659 |
|
---|
660 |
|
---|
661 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l6 level1 lfo1;
|
---|
662 |
|
---|
663 | tab-stops:list .5in'><![if !supportLists]><span lang=EN-GB style='mso-ansi-language:
|
---|
664 |
|
---|
665 | EN-GB'>3.<span style='font:7.0pt "Times New Roman"'>
|
---|
666 |
|
---|
667 | </span></span><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'><span
|
---|
668 |
|
---|
669 | style="mso-spacerun: yes"> </span>ultimate beams using multi MW proton beams
|
---|
670 |
|
---|
671 | and combining muon and electron neutrinos or anti-neutrinos.<o:p></o:p></span></p>
|
---|
672 |
|
---|
673 |
|
---|
674 |
|
---|
675 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>The
|
---|
676 |
|
---|
677 | neutrino factory based on muon decay belongs to the third category and time for
|
---|
678 |
|
---|
679 | decision about such a project is between 2010 and 2015. The project proposed
|
---|
680 |
|
---|
681 | here concerns the target systems of a neutrino factory including target
|
---|
682 |
|
---|
683 | technology, transverse collection of pions and muons, beam dump and radiation
|
---|
684 |
|
---|
685 | shielding. It could be tested, at least in part, on the super-beams before
|
---|
686 |
|
---|
687 | being applied to the neutrino factory. If pions are the relevant particles for
|
---|
688 |
|
---|
689 | muon and neutrino physics, neutrons are also produced in abundance. Tests and
|
---|
690 |
|
---|
691 | applications can thus be envisaged for neutron spallation sources and
|
---|
692 |
|
---|
693 | accelerator driven systems (ADS) considered for nuclear waste incineration and
|
---|
694 |
|
---|
695 | energy generation.<o:p></o:p></span></p>
|
---|
696 |
|
---|
697 |
|
---|
698 |
|
---|
699 | <p class=MsoBodyText2 style='margin-left:.25in'><b><span lang=EN-GB
|
---|
700 |
|
---|
701 | style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></b></p>
|
---|
702 |
|
---|
703 |
|
---|
704 |
|
---|
705 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></b></p>
|
---|
706 |
|
---|
707 |
|
---|
708 |
|
---|
709 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'>Objectives
|
---|
710 |
|
---|
711 | of the proposed project<o:p></o:p></span></b></p>
|
---|
712 |
|
---|
713 |
|
---|
714 |
|
---|
715 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>The
|
---|
716 |
|
---|
717 | target systems of ultimate neutrino beams which have been most studied up to
|
---|
718 |
|
---|
719 | now concern mercury jets emitted in high solenoidal fields. Their technology
|
---|
720 |
|
---|
721 | has a lot in common with advanced nuclear fusion projects such as ITER. Their
|
---|
722 |
|
---|
723 | cost is evaluated in the 100 M$ range. Reducing the cost of a neutrino factory
|
---|
724 |
|
---|
725 | is mandatory to make it acceptable by the particle physics community especially
|
---|
726 |
|
---|
727 | if a very high energy lepton collider is also wanted. What we propose is a
|
---|
728 |
|
---|
729 | drastic simplification of the present design by replacing the solenoid by a
|
---|
730 |
|
---|
731 | magnetic horn, the mercury jet by a solid target and possibly the solenoidal
|
---|
732 |
|
---|
733 | decay channel by quadrupoles. <o:p></o:p></span></p>
|
---|
734 |
|
---|
735 |
|
---|
736 |
|
---|
737 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>In the
|
---|
738 |
|
---|
739 | scheme presently developed at CERN, the proton driver is a proton linac of 2.2
|
---|
740 |
|
---|
741 | GeV kinetic energy and its repetition frequency is 50 Hz. All the pulsed
|
---|
742 |
|
---|
743 | systems acting on the pions or muons must have the same repetition frequency.
|
---|
744 |
|
---|
745 | Among them, the most critical element is the magnetic horn which focuses the
|
---|
746 |
|
---|
747 | pions with a current of 300 kA.<o:p></o:p></span></p>
|
---|
748 |
|
---|
749 |
|
---|
750 |
|
---|
751 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>The
|
---|
752 |
|
---|
753 | target takes advantage of this high repetition rate because the instantaneous
|
---|
754 |
|
---|
755 | temperature rise is such that it can work in a regime where thermal shock waves
|
---|
756 |
|
---|
757 | are harmless. However, the heat deposited by the proton beam must be quickly
|
---|
758 |
|
---|
759 | eliminated. It is anticipated that horn and targets will work under extreme
|
---|
760 |
|
---|
761 | conditions if a single system is exposed to the full charge of the proton beam.
|
---|
762 |
|
---|
763 | A multiple target and horn scheme is thus under study to improve the
|
---|
764 |
|
---|
765 | reliability.<o:p></o:p></span></p>
|
---|
766 |
|
---|
767 |
|
---|
768 |
|
---|
769 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>The
|
---|
770 |
|
---|
771 | project has thus five medium and long term objectives.<o:p></o:p></span></p>
|
---|
772 |
|
---|
773 |
|
---|
774 |
|
---|
775 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo3;
|
---|
776 |
|
---|
777 | tab-stops:list .5in'><![if !supportLists]><b><span lang=EN-GB style='mso-ansi-language:
|
---|
778 |
|
---|
779 | EN-GB'>1.<span style='font:7.0pt "Times New Roman"'>
|
---|
780 |
|
---|
781 | </span></span></b><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>Reduce
|
---|
782 |
|
---|
783 | the cost of the presently designed critical elements of the target systems of a
|
---|
784 |
|
---|
785 | neutrino factory by an order of magnitude yet maintaining acceptable performances.<b><o:p></o:p></b></span></p>
|
---|
786 |
|
---|
787 |
|
---|
788 |
|
---|
789 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo3;
|
---|
790 |
|
---|
791 | tab-stops:list .5in'><![if !supportLists]><b><span lang=EN-GB style='mso-ansi-language:
|
---|
792 |
|
---|
793 | EN-GB'>2.<span style='font:7.0pt "Times New Roman"'>
|
---|
794 |
|
---|
795 | </span></span></b><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>Build
|
---|
796 |
|
---|
797 | a high current (300 kA) and high repetition rate (up to 50 Hz) power supply to
|
---|
798 |
|
---|
799 | test the various pulsed components (horn and magnets). This power supply could
|
---|
800 |
|
---|
801 | serve as a general test facility for a large range of pulsed devices and not
|
---|
802 |
|
---|
803 | only within the context of neutrino beams.<b><o:p></o:p></b></span></p>
|
---|
804 |
|
---|
805 |
|
---|
806 |
|
---|
807 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo3;
|
---|
808 |
|
---|
809 | tab-stops:list .5in'><![if !supportLists]><b><span lang=EN-GB style='mso-ansi-language:
|
---|
810 |
|
---|
811 | EN-GB'>3.<span style='font:7.0pt "Times New Roman"'>
|
---|
812 |
|
---|
813 | </span></span></b><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>Build
|
---|
814 |
|
---|
815 | a granular target with its cooling circuit and test it in the Oakridge neutron
|
---|
816 |
|
---|
817 | spallation source. <b><o:p></o:p></b></span></p>
|
---|
818 |
|
---|
819 |
|
---|
820 |
|
---|
821 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo3;
|
---|
822 |
|
---|
823 | tab-stops:list .5in'><![if !supportLists]><b><span lang=EN-GB style='mso-ansi-language:
|
---|
824 |
|
---|
825 | EN-GB'>4.<span style='font:7.0pt "Times New Roman"'>
|
---|
826 |
|
---|
827 | </span></span></b><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>Test
|
---|
828 |
|
---|
829 | of the integrated target and horn system in the JHF neutrino beam.<b><o:p></o:p></b></span></p>
|
---|
830 |
|
---|
831 |
|
---|
832 |
|
---|
833 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo3;
|
---|
834 |
|
---|
835 | tab-stops:list .5in'><![if !supportLists]><b><span lang=EN-GB style='mso-ansi-language:
|
---|
836 |
|
---|
837 | EN-GB'>5.<span style='font:7.0pt "Times New Roman"'>
|
---|
838 |
|
---|
839 | </span></span></b><![endif]><span lang=EN-GB style='mso-ansi-language:EN-GB'>Design
|
---|
840 |
|
---|
841 | of a multiple channel target system and construction of prototype magnets.<b><o:p></o:p></b></span></p>
|
---|
842 |
|
---|
843 |
|
---|
844 |
|
---|
845 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></b></p>
|
---|
846 |
|
---|
847 |
|
---|
848 |
|
---|
849 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'>Program
|
---|
850 |
|
---|
851 | of the project<o:p></o:p></span></b></p>
|
---|
852 |
|
---|
853 |
|
---|
854 |
|
---|
855 | <h2><span style='font-weight:normal;mso-bidi-font-style:italic'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></h2>
|
---|
856 |
|
---|
857 |
|
---|
858 |
|
---|
859 | <h2><span style='font-weight:normal;mso-bidi-font-style:italic'>The evaluation
|
---|
860 |
|
---|
861 | of program, manpower and cost are given for four years assuming three years of
|
---|
862 |
|
---|
863 | design and construction and one year of test. Tests in beam would be performed
|
---|
864 |
|
---|
865 | later.<o:p></o:p></span></h2>
|
---|
866 |
|
---|
867 |
|
---|
868 |
|
---|
869 | <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
---|
870 |
|
---|
871 |
|
---|
872 |
|
---|
873 | <h2><i style='mso-bidi-font-style:normal'><span style='font-weight:normal'>Project
|
---|
874 |
|
---|
875 | outline<o:p></o:p></span></i></h2>
|
---|
876 |
|
---|
877 |
|
---|
878 |
|
---|
879 | <p class=MsoBodyText2>The system of production and collection of pions and
|
---|
880 |
|
---|
881 | muons has to achieve as high a collection rate as possible in the adverse
|
---|
882 |
|
---|
883 | environment of multi MW beams. The lifetime of the components is a major
|
---|
884 |
|
---|
885 | concern. To address this problem, multiple targets and horns are foreseen so
|
---|
886 |
|
---|
887 | that each subsystem works at a repetition frequency and is exposed to a beam
|
---|
888 |
|
---|
889 | power divided by the number of sub-systems. Typically four channels are
|
---|
890 |
|
---|
891 | considered. Downstream of the horns, the beams are recombined into a single beam
|
---|
892 |
|
---|
893 | line using large aperture magnets that encompass all the beams.</p>
|
---|
894 |
|
---|
895 |
|
---|
896 |
|
---|
897 | <p class=MsoBodyText2>The critical components are the target, the windows
|
---|
898 |
|
---|
899 | traversed by the primary proton beam, the horn and the first magnets. An
|
---|
900 |
|
---|
901 | iterative process between beam dynamics and engineering aspects is to be
|
---|
902 |
|
---|
903 | conducted to converge towards a satisfactory design.</p>
|
---|
904 |
|
---|
905 |
|
---|
906 |
|
---|
907 | <p class=MsoBodyText2><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
---|
908 |
|
---|
909 |
|
---|
910 |
|
---|
911 | <p class=MsoBodyText2><i style='mso-bidi-font-style:normal'><span
|
---|
912 |
|
---|
913 | style='mso-bidi-font-weight:bold'>Theory</span></i><span style='mso-bidi-font-weight:
|
---|
914 |
|
---|
915 | bold'><o:p></o:p></span></p>
|
---|
916 |
|
---|
917 |
|
---|
918 |
|
---|
919 | <p class=MsoBodyText2>In all cases, the properties of a tertiary beam have to
|
---|
920 |
|
---|
921 | be optimized. The chain of reactions is indeed p → π → ν
|
---|
922 |
|
---|
923 | for super-beams and p → π → μ for ultimate beams. The
|
---|
924 |
|
---|
925 | various tasks to be accomplished can be listed as follows:</p>
|
---|
926 |
|
---|
927 |
|
---|
928 |
|
---|
929 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
930 |
|
---|
931 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
932 |
|
---|
933 | style='font:7.0pt "Times New Roman"'>
|
---|
934 |
|
---|
935 | </span></span><![endif]>Proton switchyard.</p>
|
---|
936 |
|
---|
937 |
|
---|
938 |
|
---|
939 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
940 |
|
---|
941 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
942 |
|
---|
943 | style='font:7.0pt "Times New Roman"'>
|
---|
944 |
|
---|
945 | </span></span><![endif]>Shape and current of the magnetic horn for pions of
|
---|
946 |
|
---|
947 | average energy near 4 GeV and 300 MeV in the case of super and ultimate beams
|
---|
948 |
|
---|
949 | respectively.</p>
|
---|
950 |
|
---|
951 |
|
---|
952 |
|
---|
953 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
954 |
|
---|
955 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
956 |
|
---|
957 | style='font:7.0pt "Times New Roman"'>
|
---|
958 |
|
---|
959 | </span></span><![endif]>6D pion distribution at the end of the horn.</p>
|
---|
960 |
|
---|
961 |
|
---|
962 |
|
---|
963 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
964 |
|
---|
965 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
966 |
|
---|
967 | style='font:7.0pt "Times New Roman"'>
|
---|
968 |
|
---|
969 | </span></span><![endif]>Recombination scheme and magnet characteristics.</p>
|
---|
970 |
|
---|
971 |
|
---|
972 |
|
---|
973 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
974 |
|
---|
975 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
976 |
|
---|
977 | style='font:7.0pt "Times New Roman"'>
|
---|
978 |
|
---|
979 | </span></span><![endif]>Trajectories of primary and secondary particles
|
---|
980 |
|
---|
981 | downstream of the horn.</p>
|
---|
982 |
|
---|
983 |
|
---|
984 |
|
---|
985 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
986 |
|
---|
987 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
988 |
|
---|
989 | mso-fareast-font-family:"Arial Unicode MS"'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
990 |
|
---|
991 | </span></span><![endif]>6D muon distribution at the end of the decay channel.<span
|
---|
992 |
|
---|
993 | style='mso-fareast-font-family:"Arial Unicode MS"'><o:p></o:p></span></p>
|
---|
994 |
|
---|
995 |
|
---|
996 |
|
---|
997 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l7 level1 lfo5;
|
---|
998 |
|
---|
999 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1000 |
|
---|
1001 | mso-fareast-font-family:"Arial Unicode MS"'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1002 |
|
---|
1003 | </span></span><![endif]>Option of a longitudinal capture of the pions in the
|
---|
1004 |
|
---|
1005 | decay channel and characteristics of the RF cavity.<span style='mso-fareast-font-family:
|
---|
1006 |
|
---|
1007 | "Arial Unicode MS"'><o:p></o:p></span></p>
|
---|
1008 |
|
---|
1009 |
|
---|
1010 |
|
---|
1011 | <p class=MsoBodyText2>Manpower: 10 man-years.</p>
|
---|
1012 |
|
---|
1013 |
|
---|
1014 |
|
---|
1015 | <p class=MsoBodyText2>Cost : 400 k.</p>
|
---|
1016 |
|
---|
1017 |
|
---|
1018 |
|
---|
1019 | <p class=MsoBodyText2><span style='mso-fareast-font-family:"Arial Unicode MS"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
---|
1020 |
|
---|
1021 |
|
---|
1022 |
|
---|
1023 | <h2><i style='mso-bidi-font-style:normal'><span style='font-weight:normal'>Target<o:p></o:p></span></i></h2>
|
---|
1024 |
|
---|
1025 |
|
---|
1026 |
|
---|
1027 | <p class=MsoBodyText2>The target design is sufficiently advanced to plan
|
---|
1028 |
|
---|
1029 | development work.</p>
|
---|
1030 |
|
---|
1031 |
|
---|
1032 |
|
---|
1033 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l4 level1 lfo6;
|
---|
1034 |
|
---|
1035 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
1036 |
|
---|
1037 | style='font:7.0pt "Times New Roman"'>
|
---|
1038 |
|
---|
1039 | </span></span><![endif]>Validation of the cooling system (water, air, helium),
|
---|
1040 |
|
---|
1041 | construction of components 25 k, spent in 2003. </p>
|
---|
1042 |
|
---|
1043 |
|
---|
1044 |
|
---|
1045 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l4 level1 lfo6;
|
---|
1046 |
|
---|
1047 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
1048 |
|
---|
1049 | style='font:7.0pt "Times New Roman"'>
|
---|
1050 |
|
---|
1051 | </span></span><![endif]>Setting up of test at CERN (or in another laboratory
|
---|
1052 |
|
---|
1053 | where 600 A and de-mineralized water and/or compressed air is available in
|
---|
1054 |
|
---|
1055 | sufficient quantity) in 2003/4. Manpower for setting up and tests: 6 man-months
|
---|
1056 |
|
---|
1057 | in 2003/4. Cost: 30 k.</p>
|
---|
1058 |
|
---|
1059 |
|
---|
1060 |
|
---|
1061 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l4 level1 lfo6;
|
---|
1062 |
|
---|
1063 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1064 |
|
---|
1065 | mso-fareast-font-family:"Arial Unicode MS"'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1066 |
|
---|
1067 | </span></span><![endif]>Design, construction and test of prototype target in
|
---|
1068 |
|
---|
1069 | single shot mode in a p-beam. Cost: 80 k for design and hardware in 2003/4.
|
---|
1070 |
|
---|
1071 | Manpower: 6 man-months. <span style='mso-fareast-font-family:"Arial Unicode MS"'><o:p></o:p></span></p>
|
---|
1072 |
|
---|
1073 |
|
---|
1074 |
|
---|
1075 | <p class=MsoBodyText2><i style='mso-bidi-font-style:normal'><span
|
---|
1076 |
|
---|
1077 | style='mso-bidi-font-weight:bold'>Horn<o:p></o:p></span></i></p>
|
---|
1078 |
|
---|
1079 |
|
---|
1080 |
|
---|
1081 | <p class=MsoBodyText2><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1082 |
|
---|
1083 | italic'>A prototype horn for a neutrino factory has already been built at CERN.
|
---|
1084 |
|
---|
1085 | The unknown is its lifetime that is supposed to be limited by fatigue due to
|
---|
1086 |
|
---|
1087 | the combination of electro-mechanical and radiation effects. Technological
|
---|
1088 |
|
---|
1089 | study of the horn:<o:p></o:p></span></p>
|
---|
1090 |
|
---|
1091 |
|
---|
1092 |
|
---|
1093 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1094 |
|
---|
1095 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1096 |
|
---|
1097 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1098 |
|
---|
1099 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1100 |
|
---|
1101 | italic'>Determination of the mechanical characteristics of a sample of alloy
|
---|
1102 |
|
---|
1103 | used for the horn as a function of the radiation dose. Calculation of the
|
---|
1104 |
|
---|
1105 | mechanical response of a horn to electrical pulses using the characteristics of
|
---|
1106 |
|
---|
1107 | an irradiated material.<o:p></o:p></span></p>
|
---|
1108 |
|
---|
1109 |
|
---|
1110 |
|
---|
1111 | <p class=MsoBodyText2 style='margin-left:.25in;text-indent:.25in'>Cost: 100 k.
|
---|
1112 |
|
---|
1113 | Manpower: 2 man-years.<span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1114 |
|
---|
1115 | italic'><o:p></o:p></span></p>
|
---|
1116 |
|
---|
1117 |
|
---|
1118 |
|
---|
1119 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1120 |
|
---|
1121 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1122 |
|
---|
1123 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1124 |
|
---|
1125 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1126 |
|
---|
1127 | italic'>Test of a non-irradiated horn at 300 kA and 50 Hz. <o:p></o:p></span></p>
|
---|
1128 |
|
---|
1129 |
|
---|
1130 |
|
---|
1131 | <p class=MsoBodyText2 style='margin-left:.25in;text-indent:.25in'>Manpower: 0.5
|
---|
1132 |
|
---|
1133 | man-year. Cost: 30 k.</p>
|
---|
1134 |
|
---|
1135 |
|
---|
1136 |
|
---|
1137 | <p class=MsoBodyText2 style='margin-left:.25in;text-indent:.25in'><span
|
---|
1138 |
|
---|
1139 | style='mso-bidi-font-weight:bold;mso-bidi-font-style:italic'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
---|
1140 |
|
---|
1141 |
|
---|
1142 |
|
---|
1143 | <p class=MsoBodyText2><i style='mso-bidi-font-style:normal'><span
|
---|
1144 |
|
---|
1145 | style='mso-bidi-font-weight:bold'>Power supply, electrical connections and
|
---|
1146 |
|
---|
1147 | controls<o:p></o:p></span></i></p>
|
---|
1148 |
|
---|
1149 |
|
---|
1150 |
|
---|
1151 | <p class=MsoBodyText2><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1152 |
|
---|
1153 | italic'>The power supply, electrical connections and controls should be built
|
---|
1154 |
|
---|
1155 | with the present state of the art without special development.</span></p>
|
---|
1156 |
|
---|
1157 |
|
---|
1158 |
|
---|
1159 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1160 |
|
---|
1161 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol'>·<span
|
---|
1162 |
|
---|
1163 | style='font:7.0pt "Times New Roman"'>
|
---|
1164 |
|
---|
1165 | </span></span><![endif]>Design and development cost: 350 k.</p>
|
---|
1166 |
|
---|
1167 |
|
---|
1168 |
|
---|
1169 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1170 |
|
---|
1171 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1172 |
|
---|
1173 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1174 |
|
---|
1175 | </span></span><![endif]>Construction of charging unit, capacitor bank,
|
---|
1176 |
|
---|
1177 | discharge switches, connections and controls: 700 k.<span style='mso-bidi-font-weight:
|
---|
1178 |
|
---|
1179 | bold;mso-bidi-font-style:italic'><o:p></o:p></span></p>
|
---|
1180 |
|
---|
1181 |
|
---|
1182 |
|
---|
1183 | <p class=MsoBodyText2><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1184 |
|
---|
1185 | italic'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
---|
1186 |
|
---|
1187 |
|
---|
1188 |
|
---|
1189 | <p class=MsoBodyText2><i style='mso-bidi-font-style:normal'><span
|
---|
1190 |
|
---|
1191 | style='mso-bidi-font-weight:bold'>Test of integrated target and horn<o:p></o:p></span></i></p>
|
---|
1192 |
|
---|
1193 |
|
---|
1194 |
|
---|
1195 | <p class=MsoBodyText2>Design of a target system including its full cooling
|
---|
1196 |
|
---|
1197 | system to be integrated into a horn for test in the laboratory in 2004/5.<span
|
---|
1198 |
|
---|
1199 | style='mso-fareast-font-family:"Arial Unicode MS"'><o:p></o:p></span></p>
|
---|
1200 |
|
---|
1201 |
|
---|
1202 |
|
---|
1203 | <p class=MsoBodyText2 style='margin-left:.5in'>Cost: 380 k.</p>
|
---|
1204 |
|
---|
1205 |
|
---|
1206 |
|
---|
1207 | <p class=MsoBodyText2 style='margin-left:.5in'>Manpower: 2 man-years.</p>
|
---|
1208 |
|
---|
1209 |
|
---|
1210 |
|
---|
1211 | <p class=MsoBodyText2><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1212 |
|
---|
1213 | italic'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
---|
1214 |
|
---|
1215 |
|
---|
1216 |
|
---|
1217 | <p class=MsoBodyText2><i style='mso-bidi-font-style:normal'><span
|
---|
1218 |
|
---|
1219 | style='mso-bidi-font-weight:bold'>Magnets<o:p></o:p></span></i></p>
|
---|
1220 |
|
---|
1221 |
|
---|
1222 |
|
---|
1223 | <p class=MsoBodyText2><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1224 |
|
---|
1225 | italic'>In the present design, the first magnets have an aperture larger than 1
|
---|
1226 |
|
---|
1227 | m exceeding their length, they are pulsed and are under the fire of secondary
|
---|
1228 |
|
---|
1229 | particles. Their study requires:<o:p></o:p></span></p>
|
---|
1230 |
|
---|
1231 |
|
---|
1232 |
|
---|
1233 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1234 |
|
---|
1235 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1236 |
|
---|
1237 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1238 |
|
---|
1239 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1240 |
|
---|
1241 | italic'>Basic design with choice between magnetic poles or distributed currents
|
---|
1242 |
|
---|
1243 | in a circular aperture.<o:p></o:p></span></p>
|
---|
1244 |
|
---|
1245 |
|
---|
1246 |
|
---|
1247 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1248 |
|
---|
1249 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1250 |
|
---|
1251 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1252 |
|
---|
1253 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1254 |
|
---|
1255 | italic'>Determination of the integrated dipolar and quadrupolar fields on the
|
---|
1256 |
|
---|
1257 | reference orbits.<o:p></o:p></span></p>
|
---|
1258 |
|
---|
1259 |
|
---|
1260 |
|
---|
1261 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1262 |
|
---|
1263 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1264 |
|
---|
1265 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1266 |
|
---|
1267 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1268 |
|
---|
1269 | italic'>3D field map in the presence of adjacent magnets.<o:p></o:p></span></p>
|
---|
1270 |
|
---|
1271 |
|
---|
1272 |
|
---|
1273 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1274 |
|
---|
1275 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1276 |
|
---|
1277 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1278 |
|
---|
1279 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1280 |
|
---|
1281 | italic'>Correction of undesired multipolar components.<o:p></o:p></span></p>
|
---|
1282 |
|
---|
1283 |
|
---|
1284 |
|
---|
1285 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1286 |
|
---|
1287 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1288 |
|
---|
1289 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1290 |
|
---|
1291 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1292 |
|
---|
1293 | italic'>Possible need for end magnetic mirrors.<o:p></o:p></span></p>
|
---|
1294 |
|
---|
1295 |
|
---|
1296 |
|
---|
1297 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1298 |
|
---|
1299 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1300 |
|
---|
1301 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1302 |
|
---|
1303 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1304 |
|
---|
1305 | italic'>Resistance to radiation of insulation between coils and electrical
|
---|
1306 |
|
---|
1307 | insulators.<o:p></o:p></span></p>
|
---|
1308 |
|
---|
1309 |
|
---|
1310 |
|
---|
1311 | <p class=MsoBodyText2 style='margin-left:.5in;text-indent:-.25in;mso-list:l2 level1 lfo8;
|
---|
1312 |
|
---|
1313 | tab-stops:list .5in'><![if !supportLists]><span style='font-family:Symbol;
|
---|
1314 |
|
---|
1315 | mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>·<span style='font:7.0pt "Times New Roman"'>
|
---|
1316 |
|
---|
1317 | </span></span><![endif]><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1318 |
|
---|
1319 | italic'>Construction of a prototype and test with the general purpose pulsed
|
---|
1320 |
|
---|
1321 | power supply. <o:p></o:p></span></p>
|
---|
1322 |
|
---|
1323 |
|
---|
1324 |
|
---|
1325 | <p class=MsoBodyText2 style='margin-left:.5in'>Cost: 360 k.</p>
|
---|
1326 |
|
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1327 |
|
---|
1328 |
|
---|
1329 | <p class=MsoBodyText2 style='text-indent:.5in'>Manpower: 2 man-years.</p>
|
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1330 |
|
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1331 |
|
---|
1332 |
|
---|
1333 | <p class=MsoBodyText2 style='margin-left:.25in;text-indent:.25in'><span
|
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1334 |
|
---|
1335 | style='mso-bidi-font-weight:bold;mso-bidi-font-style:italic'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
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1336 |
|
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1337 |
|
---|
1338 |
|
---|
1339 | <p class=MsoBodyText2><i style='mso-bidi-font-style:normal'><span
|
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1340 |
|
---|
1341 | style='mso-bidi-font-weight:bold'>Beam dumping and target zone</span></i><span
|
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1342 |
|
---|
1343 | style='mso-bidi-font-weight:bold'><o:p></o:p></span></p>
|
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1344 |
|
---|
1345 |
|
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1346 |
|
---|
1347 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>This
|
---|
1348 |
|
---|
1349 | subject is not treated yet and might be discussed with the experts of the muon
|
---|
1350 |
|
---|
1351 | collaboration.<o:p></o:p></span></p>
|
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1352 |
|
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1353 |
|
---|
1354 |
|
---|
1355 | <p class=MsoBodyText2 style='margin-left:.5in'><span lang=EN-GB
|
---|
1356 |
|
---|
1357 | style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
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1358 |
|
---|
1359 |
|
---|
1360 |
|
---|
1361 | <p class=MsoBodyText2><b><span lang=EN-GB style='mso-ansi-language:EN-GB'>Summary<o:p></o:p></span></b></p>
|
---|
1362 |
|
---|
1363 |
|
---|
1364 |
|
---|
1365 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
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1366 |
|
---|
1367 |
|
---|
1368 |
|
---|
1369 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'>Requested
|
---|
1370 |
|
---|
1371 | funding from EU? 2455 </span>k.<span style='mso-bidi-font-weight:bold;
|
---|
1372 |
|
---|
1373 | mso-bidi-font-style:italic'><o:p></o:p></span></p>
|
---|
1374 |
|
---|
1375 |
|
---|
1376 |
|
---|
1377 | <p class=MsoBodyText2><span style='mso-bidi-font-weight:bold;mso-bidi-font-style:
|
---|
1378 |
|
---|
1379 | italic'>The next questions will be addressed in the second draft.</span><span
|
---|
1380 |
|
---|
1381 | lang=EN-GB style='mso-ansi-language:EN-GB'><o:p></o:p></span></p>
|
---|
1382 |
|
---|
1383 |
|
---|
1384 |
|
---|
1385 | <p class=MsoBodyText2 style='margin-left:.5in'><span lang=EN-GB
|
---|
1386 |
|
---|
1387 | style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
---|
1388 |
|
---|
1389 |
|
---|
1390 |
|
---|
1391 | <p class=MsoBodyText2 style='margin-left:.5in'><span lang=EN-GB
|
---|
1392 |
|
---|
1393 | style='mso-ansi-language:EN-GB'>What fraction of the overall cost of the
|
---|
1394 |
|
---|
1395 | project is it? <o:p></o:p></span></p>
|
---|
1396 |
|
---|
1397 |
|
---|
1398 |
|
---|
1399 | <p class=MsoBodyText2 style='margin-left:.5in'><span lang=EN-GB
|
---|
1400 |
|
---|
1401 | style='mso-ansi-language:EN-GB'>How do you intend to spend the requested
|
---|
1402 |
|
---|
1403 | funding? <o:p></o:p></span></p>
|
---|
1404 |
|
---|
1405 |
|
---|
1406 |
|
---|
1407 | <p class=MsoBodyText2 style='margin-left:.5in'><span lang=EN-GB
|
---|
1408 |
|
---|
1409 | style='mso-ansi-language:EN-GB'>Funding breakdown, In particular was fraction
|
---|
1410 |
|
---|
1411 | is required for manpower (engineers, post-docs, students
|
---|
1412 | ), for durable
|
---|
1413 |
|
---|
1414 | equipments, for travel and subsistence, for organization of meetings/workshops
|
---|
1415 | <o:p></o:p></span></p>
|
---|
1416 |
|
---|
1417 |
|
---|
1418 |
|
---|
1419 | <p class=MsoBodyText2 style='margin-left:.5in'><span lang=EN-GB
|
---|
1420 |
|
---|
1421 | style='mso-ansi-language:EN-GB'>What is the anticipated funding sharing between
|
---|
1422 |
|
---|
1423 | participating institutes/lab/industry?<o:p></o:p></span></p>
|
---|
1424 |
|
---|
1425 |
|
---|
1426 |
|
---|
1427 | <p class=MsoBodyText2><span lang=EN-GB style='mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
|
---|
1428 |
|
---|
1429 |
|
---|
1430 |
|
---|
1431 | <p class=MsoNormal style='text-align:justify;tab-stops:327.75pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
---|
1432 |
|
---|
1433 |
|
---|
1434 |
|
---|
1435 | <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
|
---|
1436 |
|
---|
1437 |
|
---|
1438 |
|
---|
1439 | </div>
|
---|
1440 |
|
---|
1441 |
|
---|
1442 |
|
---|
1443 | <div style='mso-element:footnote-list'><![if !supportFootnotes]><br clear=all>
|
---|
1444 |
|
---|
1445 |
|
---|
1446 |
|
---|
1447 | <hr align=left size=1 width="33%">
|
---|
1448 |
|
---|
1449 |
|
---|
1450 |
|
---|
1451 | <![endif]>
|
---|
1452 |
|
---|
1453 |
|
---|
1454 |
|
---|
1455 | <div style='mso-element:footnote' id=ftn1>
|
---|
1456 |
|
---|
1457 |
|
---|
1458 |
|
---|
1459 | <p class=MsoFootnoteText><a style='mso-footnote-id:ftn1' href="#_ftnref1"
|
---|
1460 |
|
---|
1461 | name="_ftn1" title=""><span class=MsoFootnoteReference></span></a> Contact person</p>
|
---|
1462 |
|
---|
1463 |
|
---|
1464 |
|
---|
1465 | </div>
|
---|
1466 |
|
---|
1467 |
|
---|
1468 |
|
---|
1469 | </div>
|
---|
1470 |
|
---|
1471 |
|
---|
1472 |
|
---|
1473 | </body>
|
---|
1474 |
|
---|
1475 |
|
---|
1476 |
|
---|
1477 | </html>
|
---|
1478 |
|
---|