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3 | <title>QCD Processes</title> |
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28 | <form method='post' action='QCDProcesses.php'> |
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29 | |
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30 | <h2>QCD Processes</h2> |
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31 | |
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32 | This section is subdivided into soft and hard QCD processes, with |
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33 | open charm and bottom production set aside as a special part of the |
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34 | latter, and three-jet topologies as a special subset. Kindly note |
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35 | that there is a considerable amount of overlap between the soft and |
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36 | hard process classes, so that you are likely to doublecount |
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37 | if you include both in a run. |
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38 | |
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39 | <h3>Soft QCD processes</h3> |
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40 | |
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41 | As a rule, the processes in this class should not be mixed with |
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42 | the simulation of other processes. All by themselves, they are |
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43 | intended to represent the total cross section of hadron collisions, |
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44 | with the exception of the "rare processes" that one wishes to study |
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45 | separately. In particular, jet physics at all scales occurs as part |
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46 | of the minimum-bias description. |
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47 | |
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48 | <p/> |
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49 | We here use the "minimum bias" expression as a shorthand for |
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50 | inelastic, nondiffractive events. Strictly speaking, "minimum bias" |
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51 | represents an experimental procedure of accepting "everything", with |
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52 | some non-universal cuts to exclude elastic and diffractive topologies. |
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53 | In practice, the experimental mimimum-bias sample may then contain |
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54 | some contamination of what is in PYTHIA classified as diffractive, |
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55 | especially (high-mass) double diffractive. |
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56 | |
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57 | <p/> |
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58 | Some options to modify these cross sections are found on the |
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59 | <?php $filepath = $_GET["filepath"]; |
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60 | echo "<a href='TotalCrossSections.php?filepath=".$filepath."' target='page'>";?>Total Cross Sections</a> page. |
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61 | |
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62 | <br/><br/><strong>SoftQCD:all</strong> <input type="radio" name="1" value="on"><strong>On</strong> |
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63 | <input type="radio" name="1" value="off" checked="checked"><strong>Off</strong> |
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64 | (<code>default = <strong>off</strong></code>)<br/> |
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65 | Common switch for the group of all soft QCD processes, |
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66 | as listed separately in the following. |
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67 | |
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68 | |
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69 | <br/><br/><strong>SoftQCD:minBias</strong> <input type="radio" name="2" value="on"><strong>On</strong> |
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70 | <input type="radio" name="2" value="off" checked="checked"><strong>Off</strong> |
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71 | (<code>default = <strong>off</strong></code>)<br/> |
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72 | Minimum-bias events, based on an <?php $filepath = $_GET["filepath"]; |
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73 | echo "<a href='MultipartonInteractions.php?filepath=".$filepath."' target='page'>";?> |
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74 | eikonalized description</a> of all the hard QCD processes, so |
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75 | includes them in combinationation with low-<i>pT</i> events. |
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76 | Code 101.<br/> |
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77 | Since the current description is handled by the multiparton-interactions |
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78 | machinery as part of the parton-level processing, no hard process at |
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79 | all is defined at the process-level part of the event generation. |
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80 | Fortunately, in this case a special |
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81 | <code><?php $filepath = $_GET["filepath"]; |
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82 | echo "<a href='EventInformation.php?filepath=".$filepath."' target='page'>";?>codeSub()</a></code> |
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83 | method provides information on the first, i.e. hardest, subprocess |
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84 | selected by the multiparton-interactions machinery. |
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85 | |
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86 | |
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87 | |
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88 | <br/><br/><strong>SoftQCD:elastic</strong> <input type="radio" name="3" value="on"><strong>On</strong> |
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89 | <input type="radio" name="3" value="off" checked="checked"><strong>Off</strong> |
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90 | (<code>default = <strong>off</strong></code>)<br/> |
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91 | Elastic scattering <i>A B -> A B</i>. |
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92 | Code 102. It is possible to include <?php $filepath = $_GET["filepath"]; |
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93 | echo "<a href='TotalCrossSections.php?filepath=".$filepath."' target='page'>";?> |
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94 | Coulomb corrections</a>, but by default this is off. |
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95 | |
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96 | |
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97 | <br/><br/><strong>SoftQCD:singleDiffractive</strong> <input type="radio" name="4" value="on"><strong>On</strong> |
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98 | <input type="radio" name="4" value="off" checked="checked"><strong>Off</strong> |
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99 | (<code>default = <strong>off</strong></code>)<br/> |
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100 | Single diffractive scattering <i>A B -> X B</i> and |
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101 | <i>A B -> A X</i>. See page on <?php $filepath = $_GET["filepath"]; |
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102 | echo "<a href='Diffraction.php?filepath=".$filepath."' target='page'>";?> |
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103 | Diffraction</a> for details. Codes 103 and 104. |
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104 | |
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105 | |
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106 | <br/><br/><strong>SoftQCD:doubleDiffractive</strong> <input type="radio" name="5" value="on"><strong>On</strong> |
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107 | <input type="radio" name="5" value="off" checked="checked"><strong>Off</strong> |
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108 | (<code>default = <strong>off</strong></code>)<br/> |
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109 | Double diffractive scattering <i>A B -> X_1 X_2</i>. |
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110 | See page on <?php $filepath = $_GET["filepath"]; |
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111 | echo "<a href='Diffraction.php?filepath=".$filepath."' target='page'>";?>Diffraction</a> |
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112 | for details. Code 105. |
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113 | |
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114 | |
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115 | <br/><br/><strong>SoftQCD:centralDiffractive</strong> <input type="radio" name="6" value="on"><strong>On</strong> |
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116 | <input type="radio" name="6" value="off" checked="checked"><strong>Off</strong> |
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117 | (<code>default = <strong>off</strong></code>)<br/> |
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118 | Central diffractive scattering <i>A B -> A X B</i> |
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119 | (a.k.a. double-Pomeron exchange, DPE). See pages on |
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120 | <?php $filepath = $_GET["filepath"]; |
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121 | echo "<a href='TotalCrossSections.php?filepath=".$filepath."' target='page'>";?>Total Cross Sections</a> |
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122 | and on <?php $filepath = $_GET["filepath"]; |
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123 | echo "<a href='Diffraction.php?filepath=".$filepath."' target='page'>";?>Diffraction</a> for details. |
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124 | In particular note the <code>SigmaTotal:zeroAXB</code> flag, |
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125 | which is off in most tunes, and that therefore would need to |
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126 | be reset to on after the selection of a tune (even the default one). |
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127 | Code 106. |
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128 | |
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129 | |
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130 | <h3>Hard QCD processes</h3> |
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131 | |
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132 | This group contains the processes for QCD jet production above |
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133 | some minimum <i>pT</i> threshold. The <i>pT_min</i> cut cannot be put |
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134 | too low, or else unreasonably large jet cross sections will be obtained. |
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135 | This is because the divergent perturbative QCD cross section is used |
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136 | in this process group, without any regularization modifications. |
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137 | An eikonalized description, intended to be valid at all <i>pT</i>, |
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138 | is instead included as part of the multiparton-interactions framework, |
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139 | specifically in <code>SoftQCD:minBias</code> above. |
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140 | <br/><b>Warning 1</b>: you <b>must</b> remember to set the |
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141 | <code>PhaseSpace:pTHatMin</code> value if you use any of these |
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142 | processes; there is no sensible default. |
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143 | <br/><b>Warning 2</b>: you <b>must not</b> mix processes from the |
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144 | <code>SoftQCD</code> and <code>HardQCD</code> process groups, since |
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145 | this is likely to lead to doublecounting. |
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146 | |
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147 | <br/><br/><strong>HardQCD:all</strong> <input type="radio" name="7" value="on"><strong>On</strong> |
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148 | <input type="radio" name="7" value="off" checked="checked"><strong>Off</strong> |
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149 | (<code>default = <strong>off</strong></code>)<br/> |
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150 | Common switch for the group of all hard QCD processes, |
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151 | as listed separately in the following. |
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152 | |
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153 | |
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154 | <br/><br/><strong>HardQCD:gg2gg</strong> <input type="radio" name="8" value="on"><strong>On</strong> |
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155 | <input type="radio" name="8" value="off" checked="checked"><strong>Off</strong> |
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156 | (<code>default = <strong>off</strong></code>)<br/> |
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157 | Scatterings <i>g g -> g g</i>. |
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158 | Code 111. |
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159 | |
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160 | |
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161 | <br/><br/><strong>HardQCD:gg2qqbar</strong> <input type="radio" name="9" value="on"><strong>On</strong> |
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162 | <input type="radio" name="9" value="off" checked="checked"><strong>Off</strong> |
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163 | (<code>default = <strong>off</strong></code>)<br/> |
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164 | Scatterings <i>g g -> q qbar</i>, where <i>q</i> by default |
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165 | is a light quark (<i>u, d, s</i>) (see below). |
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166 | Code 112. |
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167 | |
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168 | |
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169 | <br/><br/><strong>HardQCD:qg2qg</strong> <input type="radio" name="10" value="on"><strong>On</strong> |
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170 | <input type="radio" name="10" value="off" checked="checked"><strong>Off</strong> |
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171 | (<code>default = <strong>off</strong></code>)<br/> |
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172 | Scatterings <i>q g -> q g</i> and <i>qbar g -> qbar g</i>. |
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173 | Code 113. |
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174 | |
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175 | |
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176 | <br/><br/><strong>HardQCD:qq2qq</strong> <input type="radio" name="11" value="on"><strong>On</strong> |
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177 | <input type="radio" name="11" value="off" checked="checked"><strong>Off</strong> |
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178 | (<code>default = <strong>off</strong></code>)<br/> |
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179 | Scatterings <i>q q' -> q q'</i>, <i>q qbar' -> q qbar'</i>, |
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180 | <i>qbar qbar' -> qbar qbar'</i>, where <i>q'</i> and <i>q</i> |
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181 | may agree, but the outgoing flavours equals the incoming ones |
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182 | Code 114. |
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183 | |
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184 | |
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185 | <br/><br/><strong>HardQCD:qqbar2gg</strong> <input type="radio" name="12" value="on"><strong>On</strong> |
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186 | <input type="radio" name="12" value="off" checked="checked"><strong>Off</strong> |
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187 | (<code>default = <strong>off</strong></code>)<br/> |
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188 | Scatterings <i>q qbar -> g g</i>. |
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189 | Code 115. |
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190 | |
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191 | |
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192 | <br/><br/><strong>HardQCD:qqbar2qqbarNew</strong> <input type="radio" name="13" value="on"><strong>On</strong> |
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193 | <input type="radio" name="13" value="off" checked="checked"><strong>Off</strong> |
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194 | (<code>default = <strong>off</strong></code>)<br/> |
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195 | Scatterings <i>q qbar -> q' qbar'</i>, where <i>q'</i> |
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196 | by default is a light quark (<i>u, d, s</i>) (see below). |
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197 | Code 116. |
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198 | |
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199 | |
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200 | <br/><br/><table><tr><td><strong>HardQCD:nQuarkNew </td><td></td><td> <input type="text" name="14" value="3" size="20"/> (<code>default = <strong>3</strong></code>; <code>minimum = 0</code>; <code>maximum = 5</code>)</td></tr></table> |
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201 | Number of allowed outgoing new quark flavours in the above |
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202 | <i>g g -> q qbar</i> and <i>q qbar -> q' qbar'</i> processes, |
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203 | where quarks are treated as massless in the matrix-element expressions |
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204 | (but correctly in the phase space). It is thus assumed that <i>c cbar</i> |
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205 | and <i>b bbar</i> are added separately with masses taken into account, |
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206 | using the processes below. A change to 4 would also include <i>c cbar</i> |
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207 | in the massless approximation, etc. In order to avoid doublecounting |
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208 | the processes below should then not be used simultaneously. |
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209 | |
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210 | |
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211 | <h3>Hard QCD processes: heavy-flavour subset</h3> |
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212 | |
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213 | These processes form a natural part of the above class, but can |
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214 | also be generated separately. Formally the heavy-quark mass makes |
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215 | these matrix elements finite in the <i>pT -> 0</i> limit, but at |
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216 | high energies one may still question the validity of the expressions |
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217 | at low <i>pT</i> values, like for the other hard-QCD processes. |
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218 | Also as above, an eikonalized description, intended to be valid at all |
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219 | <i>pT</i>, is included as part of the multiparton-interactions framework. |
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220 | <br/>Note that the processes below only represent the "tip of the iceberg" |
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221 | of charm and bottom production at high energies, where flavour excitation |
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222 | and shower branchings provide major additional sources. All these sources |
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223 | come together in the descriptions offered by <code>SoftQCD:minBias</code> |
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224 | and <code>HardQCD:all</code>. |
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225 | |
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226 | <br/><br/><strong>HardQCD:gg2ccbar</strong> <input type="radio" name="15" value="on"><strong>On</strong> |
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227 | <input type="radio" name="15" value="off" checked="checked"><strong>Off</strong> |
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228 | (<code>default = <strong>off</strong></code>)<br/> |
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229 | Scatterings <i>g g -> c cbar</i>. |
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230 | Code 121. |
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231 | |
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232 | |
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233 | <br/><br/><strong>HardQCD:qqbar2ccbar</strong> <input type="radio" name="16" value="on"><strong>On</strong> |
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234 | <input type="radio" name="16" value="off" checked="checked"><strong>Off</strong> |
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235 | (<code>default = <strong>off</strong></code>)<br/> |
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236 | Scatterings <i>q qbar -> c cbar</i>. |
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237 | Code 122. |
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238 | |
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239 | |
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240 | <br/><br/><strong>HardQCD:gg2bbbar</strong> <input type="radio" name="17" value="on"><strong>On</strong> |
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241 | <input type="radio" name="17" value="off" checked="checked"><strong>Off</strong> |
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242 | (<code>default = <strong>off</strong></code>)<br/> |
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243 | Scatterings <i>g g -> b bbar</i>. |
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244 | Code 123. |
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245 | |
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246 | |
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247 | <br/><br/><strong>HardQCD:qqbar2bbbar</strong> <input type="radio" name="18" value="on"><strong>On</strong> |
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248 | <input type="radio" name="18" value="off" checked="checked"><strong>Off</strong> |
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249 | (<code>default = <strong>off</strong></code>)<br/> |
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250 | Scatterings <i>q qbar -> b bbar</i>. |
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251 | Code 124. |
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252 | |
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253 | |
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254 | <h3>Hard QCD three-parton processes</h3> |
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255 | |
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256 | Three-parton final states are generated by showers off two-parton |
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257 | processes. Topologies then cannot be specified beforehand, beyond |
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258 | what is provided by the two-parton hard process. For some checks |
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259 | it may be convenient to have access to the dedicated three-parton |
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260 | final states, which is what this set of processes allows. |
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261 | Cross sections have been taken from [<a href="Bibliography.php" target="page">Ber81</a>]. |
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262 | <br/>Note that the processes in this section are <it>not</it> |
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263 | affected by the <code>HardQCD:all</code> switch. In fact, it would |
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264 | be doublecounting to include both the <code>HardQCD:all</code> and |
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265 | the <code>HardQCD:3parton</code> processes in a run or study. |
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266 | <br/><b>Warning:</b> this section is still incomplete, e.g. the |
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267 | selection of colour flow is very simple, and so it should only |
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268 | be used with caution. |
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269 | |
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270 | <br/><br/><strong>HardQCD:3parton</strong> <input type="radio" name="19" value="on"><strong>On</strong> |
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271 | <input type="radio" name="19" value="off" checked="checked"><strong>Off</strong> |
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272 | (<code>default = <strong>off</strong></code>)<br/> |
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273 | Common switch for the group of all hard QCD processes with three |
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274 | partons in the final state, as listed separately in the following. |
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275 | |
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276 | |
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277 | <br/><br/><strong>HardQCD:gg2ggg</strong> <input type="radio" name="20" value="on"><strong>On</strong> |
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278 | <input type="radio" name="20" value="off" checked="checked"><strong>Off</strong> |
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279 | (<code>default = <strong>off</strong></code>)<br/> |
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280 | Scatterings <i>g g -> g g g</i>. |
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281 | Code 131. |
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282 | |
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283 | |
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284 | <br/><br/><strong>HardQCD:qqbar2ggg</strong> <input type="radio" name="21" value="on"><strong>On</strong> |
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285 | <input type="radio" name="21" value="off" checked="checked"><strong>Off</strong> |
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286 | (<code>default = <strong>off</strong></code>)<br/> |
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287 | Scatterings <i>q qbar -> g g g</i>. |
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288 | Code 132. |
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289 | |
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290 | |
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291 | <br/><br/><strong>HardQCD:qg2qgg</strong> <input type="radio" name="22" value="on"><strong>On</strong> |
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292 | <input type="radio" name="22" value="off" checked="checked"><strong>Off</strong> |
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293 | (<code>default = <strong>off</strong></code>)<br/> |
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294 | Scatterings <i>q g -> q g g</i> and <i>qbar g -> qbar g g</i>. |
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295 | Code 133. |
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296 | |
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297 | |
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298 | <br/><br/><strong>HardQCD:qq2qqgDiff</strong> <input type="radio" name="23" value="on"><strong>On</strong> |
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299 | <input type="radio" name="23" value="off" checked="checked"><strong>Off</strong> |
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300 | (<code>default = <strong>off</strong></code>)<br/> |
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301 | Scatterings <i>q q' -> q q' g</i>, <i>q qbar' -> q qbar' g</i>, |
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302 | and <i>qbar qbar' -> qbar qbar' g</i>. |
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303 | Code 134. |
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304 | |
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305 | |
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306 | <br/><br/><strong>HardQCD:qq2qqgSame</strong> <input type="radio" name="24" value="on"><strong>On</strong> |
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307 | <input type="radio" name="24" value="off" checked="checked"><strong>Off</strong> |
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308 | (<code>default = <strong>off</strong></code>)<br/> |
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309 | Scatterings <i>q q -> q q g</i> and |
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310 | <i>qbar qbar -> qbar qbar g</i> |
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311 | (<i>q qbar -> q qbar g</i> scatterings are considered separately |
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312 | below, see <code>HardQCD:qqbar2qqbargSame</code>). |
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313 | Code 135. |
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314 | |
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315 | |
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316 | <br/><br/><strong>HardQCD:qqbar2qqbargDiff</strong> <input type="radio" name="25" value="on"><strong>On</strong> |
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317 | <input type="radio" name="25" value="off" checked="checked"><strong>Off</strong> |
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318 | (<code>default = <strong>off</strong></code>)<br/> |
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319 | Scatterings <i>q qbar -> q' qbar' g</i>, where <i>q'</i> |
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320 | by default is a light quark (<i>u, d, s</i>) |
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321 | (see <code>HardQCD:nQuarkNew</code> above). |
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322 | Code 136. |
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323 | |
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324 | |
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325 | <br/><br/><strong>HardQCD:qqbar2qqbargSame</strong> <input type="radio" name="26" value="on"><strong>On</strong> |
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326 | <input type="radio" name="26" value="off" checked="checked"><strong>Off</strong> |
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327 | (<code>default = <strong>off</strong></code>)<br/> |
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328 | Scatterings <i>q qbar -> q qbar g</i>. |
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329 | Code 137. |
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330 | |
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331 | |
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332 | <br/><br/><strong>HardQCD:gg2qqbarg</strong> <input type="radio" name="27" value="on"><strong>On</strong> |
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333 | <input type="radio" name="27" value="off" checked="checked"><strong>Off</strong> |
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334 | (<code>default = <strong>off</strong></code>)<br/> |
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335 | Scatterings <i>g g -> q qbar g</i>, where <i>q</i> by |
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336 | default is a light quark (<i>u, d, s</i>) |
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337 | (see <code>HardQCD:nQuarkNew</code> above). |
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338 | Code 138. |
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339 | |
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340 | |
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341 | <br/><br/><strong>HardQCD:qg2qqqbarDiff</strong> <input type="radio" name="28" value="on"><strong>On</strong> |
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342 | <input type="radio" name="28" value="off" checked="checked"><strong>Off</strong> |
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343 | (<code>default = <strong>off</strong></code>)<br/> |
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344 | Scatterings <i>q g -> q q' qbar'</i> and |
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345 | <i>qbar g -> qbar qbar' q'</i>, where <i>q'</i> |
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346 | by default is a light quark (<i>u, d, s</i>) |
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347 | (see <code>HardQCD:nQuarkNew</code> above). |
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348 | Code 139. |
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349 | |
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350 | |
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351 | <br/><br/><strong>HardQCD:qg2qqqbarSame</strong> <input type="radio" name="29" value="on"><strong>On</strong> |
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352 | <input type="radio" name="29" value="off" checked="checked"><strong>Off</strong> |
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353 | (<code>default = <strong>off</strong></code>)<br/> |
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354 | Scatterings <i>q g -> q q qbar</i> and |
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355 | <i>qbar g -> qbar qbar q</i>. |
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356 | Code 140. |
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357 | |
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358 | |
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359 | |
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360 | <input type="hidden" name="saved" value="1"/> |
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361 | |
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362 | <?php |
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363 | echo "<input type='hidden' name='filepath' value='".$_GET["filepath"]."'/>"?> |
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364 | |
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365 | <table width="100%"><tr><td align="right"><input type="submit" value="Save Settings" /></td></tr></table> |
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366 | </form> |
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367 | |
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368 | <?php |
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369 | |
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370 | if($_POST["saved"] == 1) |
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371 | { |
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372 | $filepath = $_POST["filepath"]; |
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373 | $handle = fopen($filepath, 'a'); |
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374 | |
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375 | if($_POST["1"] != "off") |
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376 | { |
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377 | $data = "SoftQCD:all = ".$_POST["1"]."\n"; |
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378 | fwrite($handle,$data); |
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379 | } |
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380 | if($_POST["2"] != "off") |
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381 | { |
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382 | $data = "SoftQCD:minBias = ".$_POST["2"]."\n"; |
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383 | fwrite($handle,$data); |
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384 | } |
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385 | if($_POST["3"] != "off") |
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386 | { |
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387 | $data = "SoftQCD:elastic = ".$_POST["3"]."\n"; |
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388 | fwrite($handle,$data); |
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389 | } |
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390 | if($_POST["4"] != "off") |
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391 | { |
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392 | $data = "SoftQCD:singleDiffractive = ".$_POST["4"]."\n"; |
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393 | fwrite($handle,$data); |
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394 | } |
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395 | if($_POST["5"] != "off") |
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396 | { |
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397 | $data = "SoftQCD:doubleDiffractive = ".$_POST["5"]."\n"; |
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398 | fwrite($handle,$data); |
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399 | } |
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400 | if($_POST["6"] != "off") |
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401 | { |
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402 | $data = "SoftQCD:centralDiffractive = ".$_POST["6"]."\n"; |
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403 | fwrite($handle,$data); |
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404 | } |
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405 | if($_POST["7"] != "off") |
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406 | { |
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407 | $data = "HardQCD:all = ".$_POST["7"]."\n"; |
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408 | fwrite($handle,$data); |
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409 | } |
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410 | if($_POST["8"] != "off") |
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411 | { |
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412 | $data = "HardQCD:gg2gg = ".$_POST["8"]."\n"; |
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413 | fwrite($handle,$data); |
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414 | } |
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415 | if($_POST["9"] != "off") |
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416 | { |
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417 | $data = "HardQCD:gg2qqbar = ".$_POST["9"]."\n"; |
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418 | fwrite($handle,$data); |
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419 | } |
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420 | if($_POST["10"] != "off") |
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421 | { |
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422 | $data = "HardQCD:qg2qg = ".$_POST["10"]."\n"; |
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423 | fwrite($handle,$data); |
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424 | } |
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425 | if($_POST["11"] != "off") |
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426 | { |
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427 | $data = "HardQCD:qq2qq = ".$_POST["11"]."\n"; |
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428 | fwrite($handle,$data); |
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429 | } |
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430 | if($_POST["12"] != "off") |
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431 | { |
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432 | $data = "HardQCD:qqbar2gg = ".$_POST["12"]."\n"; |
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433 | fwrite($handle,$data); |
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434 | } |
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435 | if($_POST["13"] != "off") |
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436 | { |
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437 | $data = "HardQCD:qqbar2qqbarNew = ".$_POST["13"]."\n"; |
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438 | fwrite($handle,$data); |
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439 | } |
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440 | if($_POST["14"] != "3") |
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441 | { |
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442 | $data = "HardQCD:nQuarkNew = ".$_POST["14"]."\n"; |
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443 | fwrite($handle,$data); |
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444 | } |
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445 | if($_POST["15"] != "off") |
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446 | { |
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447 | $data = "HardQCD:gg2ccbar = ".$_POST["15"]."\n"; |
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448 | fwrite($handle,$data); |
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449 | } |
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450 | if($_POST["16"] != "off") |
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451 | { |
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452 | $data = "HardQCD:qqbar2ccbar = ".$_POST["16"]."\n"; |
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453 | fwrite($handle,$data); |
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454 | } |
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455 | if($_POST["17"] != "off") |
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456 | { |
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457 | $data = "HardQCD:gg2bbbar = ".$_POST["17"]."\n"; |
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458 | fwrite($handle,$data); |
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459 | } |
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460 | if($_POST["18"] != "off") |
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461 | { |
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462 | $data = "HardQCD:qqbar2bbbar = ".$_POST["18"]."\n"; |
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463 | fwrite($handle,$data); |
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464 | } |
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465 | if($_POST["19"] != "off") |
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466 | { |
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467 | $data = "HardQCD:3parton = ".$_POST["19"]."\n"; |
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468 | fwrite($handle,$data); |
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469 | } |
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470 | if($_POST["20"] != "off") |
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471 | { |
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472 | $data = "HardQCD:gg2ggg = ".$_POST["20"]."\n"; |
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473 | fwrite($handle,$data); |
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474 | } |
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475 | if($_POST["21"] != "off") |
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476 | { |
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477 | $data = "HardQCD:qqbar2ggg = ".$_POST["21"]."\n"; |
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478 | fwrite($handle,$data); |
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479 | } |
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480 | if($_POST["22"] != "off") |
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481 | { |
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482 | $data = "HardQCD:qg2qgg = ".$_POST["22"]."\n"; |
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483 | fwrite($handle,$data); |
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484 | } |
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485 | if($_POST["23"] != "off") |
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486 | { |
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487 | $data = "HardQCD:qq2qqgDiff = ".$_POST["23"]."\n"; |
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488 | fwrite($handle,$data); |
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489 | } |
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490 | if($_POST["24"] != "off") |
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491 | { |
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492 | $data = "HardQCD:qq2qqgSame = ".$_POST["24"]."\n"; |
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493 | fwrite($handle,$data); |
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494 | } |
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495 | if($_POST["25"] != "off") |
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496 | { |
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497 | $data = "HardQCD:qqbar2qqbargDiff = ".$_POST["25"]."\n"; |
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498 | fwrite($handle,$data); |
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499 | } |
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500 | if($_POST["26"] != "off") |
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501 | { |
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502 | $data = "HardQCD:qqbar2qqbargSame = ".$_POST["26"]."\n"; |
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503 | fwrite($handle,$data); |
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504 | } |
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505 | if($_POST["27"] != "off") |
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506 | { |
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507 | $data = "HardQCD:gg2qqbarg = ".$_POST["27"]."\n"; |
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508 | fwrite($handle,$data); |
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509 | } |
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510 | if($_POST["28"] != "off") |
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511 | { |
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512 | $data = "HardQCD:qg2qqqbarDiff = ".$_POST["28"]."\n"; |
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513 | fwrite($handle,$data); |
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514 | } |
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515 | if($_POST["29"] != "off") |
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516 | { |
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517 | $data = "HardQCD:qg2qqqbarSame = ".$_POST["29"]."\n"; |
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518 | fwrite($handle,$data); |
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519 | } |
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520 | fclose($handle); |
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521 | } |
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522 | |
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523 | ?> |
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524 | </body> |
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525 | </html> |
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526 | |
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527 | <!-- Copyright (C) 2012 Torbjorn Sjostrand --> |
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528 | |
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