| 1 | <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> |
|---|
| 2 | <html> |
|---|
| 3 | <head> |
|---|
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> |
|---|
| 5 | <meta name="Author" content="Jean-Eric Campagne"> |
|---|
| 6 | <meta name="GENERATOR" content="Mozilla/4.75 [fr] (Windows NT 5.0; U) [Netscape]"> |
|---|
| 7 | <title>NA_COLLECTOR</title> |
|---|
| 8 | </head> |
|---|
| 9 | <body> |
|---|
| 10 | |
|---|
| 11 | <li> |
|---|
| 12 | <b>High power collection systems (horns, solenoids, etc)</b><i> </i>Coordinator<b> |
|---|
| 13 | J. E. Campagne (LAL) </b><i> </i>shortname: <b>COLLECTOR</b></li> |
|---|
| 14 | |
|---|
| 15 | <table BORDER CELLSPACING=2 CELLPADDING=2 WIDTH="100%" > |
|---|
| 16 | <caption><tbody> |
|---|
| 17 | <br></tbody></caption> |
|---|
| 18 | |
|---|
| 19 | <tr> |
|---|
| 20 | <td><font color="#000000">The major motivation of a Network Activity and |
|---|
| 21 | also R&D studies in this field is that the collection system |
|---|
| 22 | for the future neutrino beams will have to keep up with unprecendent challenging |
|---|
| 23 | conditions as such as 1) more than one order magnitude more electric stresses |
|---|
| 24 | (expressed in A.Hz) than the </font><font color="#FF0000">MiniBOONE</font><font color="#000000"> |
|---|
| 25 | Horn and more than two orders of magnitudes than the present K2K |
|---|
| 26 | Horn and the future NuMI and CNGS Horns and 2) a huge rapid neutron flux |
|---|
| 27 | 10^22n/cm^2/6weeks due to the necessary integration of the TARGET |
|---|
| 28 | inside the COLLECTOR system. The NA will attack the challenge by</font> |
|---|
| 29 | <ul> |
|---|
| 30 | <li> |
|---|
| 31 | Defining, in collaboration with the TARGET team, a viable solution |
|---|
| 32 | to all the integration problems imposed by the need of locating the target |
|---|
| 33 | inside the collector: neutron radiation, heat load,<font color="#FF0000"> |
|---|
| 34 | target exchange</font>...</li> |
|---|
| 35 | |
|---|
| 36 | <li> |
|---|
| 37 | Comparing focusing and collection capabilities of the few main options |
|---|
| 38 | of collection systems, as simulated by the few main existing codes</li> |
|---|
| 39 | |
|---|
| 40 | <li> |
|---|
| 41 | Conducting particle production and collection simulations using different |
|---|
| 42 | Monte Carlo programs: GEANT, <strike><font color="#FF0000">MARS</font></strike>,... </li> |
|---|
| 43 | |
|---|
| 44 | <li> |
|---|
| 45 | Conducting simulation of thermal and mechanical stresses of the collection |
|---|
| 46 | systems to define the critical points </li> |
|---|
| 47 | |
|---|
| 48 | <li> |
|---|
| 49 | Studing resistance of different materials proposed for collectors |
|---|
| 50 | operating under severe radiation conditions</li> |
|---|
| 51 | |
|---|
| 52 | <li> |
|---|
| 53 | Studing the cooling system to optimize the operating heating temperature |
|---|
| 54 | of the alloy </li> |
|---|
| 55 | |
|---|
| 56 | <li> |
|---|
| 57 | Estimating reliably lifetime expectations under unprecedented operation |
|---|
| 58 | conditions (highly radioactive enviroments at high repetetition rate). </li> |
|---|
| 59 | |
|---|
| 60 | <li> |
|---|
| 61 | Proposing R&D projects and establishing collaborations for the design |
|---|
| 62 | and test of horns and other collection systems, as they are likely to evolve |
|---|
| 63 | to cope with increasingly severe conditions, from the present conventional |
|---|
| 64 | beams up to full power neutrino factories </li> |
|---|
| 65 | </ul> |
|---|
| 66 | </td> |
|---|
| 67 | </tr> |
|---|
| 68 | </table> |
|---|
| 69 | |
|---|
| 70 | <p><font color="#009900"><font size=+3>Attempt to modify the content of |
|---|
| 71 | the CONTRACTING PARTICIPANTS tables: IN2P3</font></font> |
|---|
| 72 | <p><font size=-1>The Institut will coordinate a consortium including physicists |
|---|
| 73 | from French CNRS and University Laboratories (IPN Lyon, LAL, LPNHE |
|---|
| 74 | Paris VI&VII) contributing long term expertise in the field of neutrino |
|---|
| 75 | <b>PHYSICS, |
|---|
| 76 | </b>experiments |
|---|
| 77 | & beams. It expects then to contribute to the |
|---|
| 78 | <b>general </b>steering |
|---|
| 79 | and provide technical expertise in the field of |
|---|
| 80 | <b>COLLECTOR </b>technology |
|---|
| 81 | design studies. (<b><font color="#CC0000">BETABEAM ????</font></b> )</font> |
|---|
| 82 | <br> |
|---|
| 83 | <p><font color="#009900"><font size=+3>Deliverables and relevant milestones:</font></font> |
|---|
| 84 | <br><b>COLLECTOR</b> |
|---|
| 85 | <br>The first deliverable for Summer 2004 will be a status report (R1) |
|---|
| 86 | on existing collection systems used in the past and currently in operation |
|---|
| 87 | (<font color="#FF0000">MiniBOONE</font>/K2K) and in construction (NuMI/CNGS) |
|---|
| 88 | a<font color="#FF0000">nd the review of the current status of the collector |
|---|
| 89 | study done so far for the SuperBeam/Neutrino Factory</font>.. Then, till |
|---|
| 90 | end 2006, studies will be condcuted, to produce a detail report (R2) |
|---|
| 91 | on a specific solution for the SuperBeam project. Then, till the end of |
|---|
| 92 | the NA Jan. 2008, it is foreseen to produce a detail report (R3) on the |
|---|
| 93 | different solutions that will be avaliable for the Neutrino Factory project. |
|---|
| 94 | <p>The 2 last reports (R2 and R3) will be based on |
|---|
| 95 | <blockquote> |
|---|
| 96 | <ol> |
|---|
| 97 | <li> |
|---|
| 98 | a detailed particle <font color="#FF0000">production and</font> collection |
|---|
| 99 | simulations (Monte Carlo based simulations with state-of-the art code: |
|---|
| 100 | GEANT<strike><font color="#FF0000">4</font></strike>, <strike><font color="#FF0000">MARS</font></strike>,...),</li> |
|---|
| 101 | |
|---|
| 102 | <li> |
|---|
| 103 | thermo-mechanical simulations that implies for instence to experimentally |
|---|
| 104 | measure some relevant parameters (heat diffusion coefficients, stress limit |
|---|
| 105 | under high neutron fluxes and after 10^8 cycles...),</li> |
|---|
| 106 | |
|---|
| 107 | <li> |
|---|
| 108 | complete technical specifications of electric power supply and discharge |
|---|
| 109 | equipment</li> |
|---|
| 110 | |
|---|
| 111 | <li> |
|---|
| 112 | state-of -the art knowledge of mechanical properties of alloys under high |
|---|
| 113 | rate neutron irradiation as already mentionned.</li> |
|---|
| 114 | </ol> |
|---|
| 115 | </blockquote> |
|---|
| 116 | They will include proposition of specific solutions or R&D to |
|---|
| 117 | be conducted necessary to achieve a lifetime of such system of few |
|---|
| 118 | 100 Mega cycles or more. For instance, the documents will address solutions |
|---|
| 119 | <ul> |
|---|
| 120 | <li> |
|---|
| 121 | to the choices of material for the collection device,</li> |
|---|
| 122 | |
|---|
| 123 | <li> |
|---|
| 124 | of machining, soldering and assembling techniques,</li> |
|---|
| 125 | |
|---|
| 126 | <li> |
|---|
| 127 | of heat removal and cooling system,</li> |
|---|
| 128 | |
|---|
| 129 | <li> |
|---|
| 130 | to the problems of TARGET integration in the collection system</li> |
|---|
| 131 | |
|---|
| 132 | <li> |
|---|
| 133 | and of periodic replacement in a high radioactive environment</li> |
|---|
| 134 | |
|---|
| 135 | <li> |
|---|
| 136 | <font color="#FF0000">final target station design.</font></li> |
|---|
| 137 | |
|---|
| 138 | <br> |
|---|
| 139 | <p> </ul> |
|---|
| 140 | Other deliverables will be intermediate specialized notes and worshop proceedings |
|---|
| 141 | that will be used for the final |
|---|
| 142 | <br>document, and simulation programs that will be worth to develop for |
|---|
| 143 | these studies. |
|---|
| 144 | <br> |
|---|
| 145 | <p><b><font size=+2>5 Year Schedule <i><font color="#CC0000">(from Roger)</font></i></font></b> |
|---|
| 146 | <p>Spring 2004 Initial meeting of the Target and Collector Sections. Allotment |
|---|
| 147 | of specific duties. |
|---|
| 148 | <p>Summer 2004 1st Main Meeting (with international participants) to present |
|---|
| 149 | the current progress in target and collector studies. |
|---|
| 150 | <p>Winter 2004 <font color="#CC0000">Publication of the current position |
|---|
| 151 | of target and collector development.</font> |
|---|
| 152 | <br><font color="#CC0000">Preliminary recommendations for future R&D.</font> |
|---|
| 153 | <p>Summer 2005 1st International Conference on Targets and Collectors. |
|---|
| 154 | <p>Spring 2006 Publication of Conference Proceedings. |
|---|
| 155 | <br>/Summer 2nd Main meeting of the Target and Collector Sections. |
|---|
| 156 | <p>Autumn 2006 <font color="#FF0000">Publication of interim report on Target |
|---|
| 157 | and Collector developments.</font> |
|---|
| 158 | <br><font color="#FF0000"> Recommendations for future R&D.</font> |
|---|
| 159 | <p>Summer 2007 2nd International Conference on Targets and Collectors. |
|---|
| 160 | <p>Spring 2008 Publication of Conference Proceedings. |
|---|
| 161 | <br>/Summer 3rd Main and final meeting of the Target and Collector Sections. |
|---|
| 162 | <p>Winter 2008 <font color="#FF0000">Final report and recommendations of |
|---|
| 163 | the Target and Collector Sections.</font> |
|---|
| 164 | <p><b><font size=+2>Plans for the following 18th monthes COLLECTOR</font></b> |
|---|
| 165 | <br>Before the NA will start: |
|---|
| 166 | <ul> |
|---|
| 167 | <ul> |
|---|
| 168 | <li> |
|---|
| 169 | report on 6000 type alloy caracteristics on mecanical properties under |
|---|
| 170 | high intensity neutron flux based on bibliographic documentation</li> |
|---|
| 171 | |
|---|
| 172 | <li> |
|---|
| 173 | initiate collaboration with French-CEA for stress limit measurement of |
|---|
| 174 | 6000 type alloy under high level of neutron flux.</li> |
|---|
| 175 | |
|---|
| 176 | <li> |
|---|
| 177 | report on analytic solutions of the Horn thermal/mecanical design</li> |
|---|
| 178 | |
|---|
| 179 | <li> |
|---|
| 180 | start of thermal/mecanical simulation of the Horn for a SuperBeam |
|---|
| 181 | project</li> |
|---|
| 182 | |
|---|
| 183 | <li> |
|---|
| 184 | first report on electric power design of the Horn for SuperBeam project</li> |
|---|
| 185 | |
|---|
| 186 | <li> |
|---|
| 187 | proposal for Horn prototype building as Design Studies Technical Work Project</li> |
|---|
| 188 | </ul> |
|---|
| 189 | |
|---|
| 190 | <li> |
|---|
| 191 | Spring 2004</li> |
|---|
| 192 | |
|---|
| 193 | <ul> |
|---|
| 194 | <li> |
|---|
| 195 | first guide of the collection systems used in the past, present and near |
|---|
| 196 | future (along R1 publication): mechanical stresses and design, electric |
|---|
| 197 | power caracteristics and design, heat dissipation system design, failure |
|---|
| 198 | description, lifetime in operation</li> |
|---|
| 199 | |
|---|
| 200 | <li> |
|---|
| 201 | <font color="#000000">status report of the CERN Horn prototype</font></li> |
|---|
| 202 | |
|---|
| 203 | <li> |
|---|
| 204 | reports on other mechanical tests as diffusion coefficient measurements</li> |
|---|
| 205 | |
|---|
| 206 | <li> |
|---|
| 207 | integration of preliminary TARGET parameters on thermal/mecanical simulation |
|---|
| 208 | of the Horn for a SuperBeam project</li> |
|---|
| 209 | |
|---|
| 210 | <li> |
|---|
| 211 | first drawing design of a new Horn prototype</li> |
|---|
| 212 | </ul> |
|---|
| 213 | |
|---|
| 214 | <li> |
|---|
| 215 | Summer 2004</li> |
|---|
| 216 | |
|---|
| 217 | <ul> |
|---|
| 218 | <li> |
|---|
| 219 | R1 repport production</li> |
|---|
| 220 | |
|---|
| 221 | <li> |
|---|
| 222 | status report on thermo/mechanical simulations</li> |
|---|
| 223 | |
|---|
| 224 | <li> |
|---|
| 225 | status report on electric power design to deliver 300kA/50Hz</li> |
|---|
| 226 | </ul> |
|---|
| 227 | |
|---|
| 228 | <li> |
|---|
| 229 | Spring 2005</li> |
|---|
| 230 | |
|---|
| 231 | <ul> |
|---|
| 232 | <li> |
|---|
| 233 | first result on stress limit measurement of irradiated materials</li> |
|---|
| 234 | |
|---|
| 235 | <li> |
|---|
| 236 | final design of a new Horn prototype to launch realisation</li> |
|---|
| 237 | </ul> |
|---|
| 238 | </ul> |
|---|
| 239 | Afterwards their will be prototype realisation by the Design Studies TWP |
|---|
| 240 | and measurement campain that will end by the writing of R2. Then, new work |
|---|
| 241 | will be undertaken by DS TWP in the line of R3 report goal. |
|---|
| 242 | </body> |
|---|
| 243 | </html> |
|---|
