| [406] | 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 MiniBOON Horn and more than two orders
|
|---|
| 25 | of magnitudes than the present K2K Horn and the future NuMI and CNGS Horns
|
|---|
| 26 | and 2) a huge rapid neutron flux 10^22n/cm^2/6weeks due to the necessary
|
|---|
| 27 | integration of the TARGET inside the COLLECTOR system. The NA will attack
|
|---|
| 28 | 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...</li>
|
|---|
| 34 |
|
|---|
| 35 | <li>
|
|---|
| 36 | Comparing focusing and collection capabilities of the few main options
|
|---|
| 37 | of collection systems, as simulated by the few main existing codes</li>
|
|---|
| 38 |
|
|---|
| 39 | <li>
|
|---|
| 40 | Conducting particle production and collection simulations using different
|
|---|
| 41 | Monte Carlo programs: GEANT, MARS,... </li>
|
|---|
| 42 |
|
|---|
| 43 | <li>
|
|---|
| 44 | Conducting simulation of thermal and mechanical stresses of the collection
|
|---|
| 45 | systems to define the critical points </li>
|
|---|
| 46 |
|
|---|
| 47 | <li>
|
|---|
| 48 | Studing resistance of different materials proposed for collectors
|
|---|
| 49 | operating under severe radiation conditions</li>
|
|---|
| 50 |
|
|---|
| 51 | <li>
|
|---|
| 52 | Studing the cooling system to optimize the operating heating temperature
|
|---|
| 53 | of the alloy </li>
|
|---|
| 54 |
|
|---|
| 55 | <li>
|
|---|
| 56 | Estimating reliably lifetime expectations under unprecedented operation
|
|---|
| 57 | conditions (highly radioactive enviroments at high repetetition rate). </li>
|
|---|
| 58 |
|
|---|
| 59 | <li>
|
|---|
| 60 | Proposing R&D projects and establishing collaborations for the design
|
|---|
| 61 | and test of horns and other collection systems, as they are likely to evolve
|
|---|
| 62 | to cope with increasingly severe conditions, from the present conventional
|
|---|
| 63 | beams up to full power neutrino factories </li>
|
|---|
| 64 | </ul>
|
|---|
| 65 | </td>
|
|---|
| 66 | </tr>
|
|---|
| 67 | </table>
|
|---|
| 68 |
|
|---|
| 69 | <p><font color="#009900"><font size=+3>Attempt to modify the content of
|
|---|
| 70 | the CONTRACTING PARTICIPANTS tables: IN2P3</font></font>
|
|---|
| 71 | <p><font size=-1>The Institut will coordinate a consortium including physicists
|
|---|
| 72 | from French CNRS and University Laboratories (IPN Lyon, LAL, LPNHE
|
|---|
| 73 | Paris VI&VII) contributing long term expertise in the field of neutrino
|
|---|
| 74 | <b>PHYSICS,
|
|---|
| 75 | </b>experiments
|
|---|
| 76 | & beams. It expects then to contribute to the
|
|---|
| 77 | <b>general </b>steering
|
|---|
| 78 | and provide technical expertise in the field of
|
|---|
| 79 | <b>COLLECTOR </b>technology
|
|---|
| 80 | design studies. (<b><font color="#CC0000">BETABEAM ????</font></b> )</font>
|
|---|
| 81 | <br>
|
|---|
| 82 | <p><font color="#009900"><font size=+3>Deliverables and relevant milestones:</font></font>
|
|---|
| 83 | <br><b>COLLECTOR</b>
|
|---|
| 84 | <br>The first deliverable for Summer 2004 will be a status report (R1)
|
|---|
| 85 | on existing collection systems used in the past and currently in operation
|
|---|
| 86 | (MiniBOON/K2K) and in construction (NuMI/CNGS). Then, till end 2006, studies
|
|---|
| 87 | will be condcuted, to produce a detail report (R2) on a specific
|
|---|
| 88 | solution for the SuperBeam project. Then, till the end of the NA Jan. 2008,
|
|---|
| 89 | it is foreseen to produce a detail report (R3) on the different solutions
|
|---|
| 90 | that will be avaliable for the Neutrino Factory project.
|
|---|
| 91 | <p>The 2 last reports (R2 and R3) will be based on
|
|---|
| 92 | <blockquote>
|
|---|
| 93 | <ol>
|
|---|
| 94 | <li>
|
|---|
| 95 | a detailed particle collection simulations (Monte Carlo based simulations
|
|---|
| 96 | with state-of-the art code: GEANT4, MARS,...),</li>
|
|---|
| 97 |
|
|---|
| 98 | <li>
|
|---|
| 99 | thermo-mechanical simulations that implies for instence to experimentally
|
|---|
| 100 | measure some relevant parameters (heat diffusion coefficients, stress limit
|
|---|
| 101 | under high neutron fluxes and after 10^8 cycles...),</li>
|
|---|
| 102 |
|
|---|
| 103 | <li>
|
|---|
| 104 | complete technical specifications of electric power supply and discharge
|
|---|
| 105 | equipment</li>
|
|---|
| 106 |
|
|---|
| 107 | <li>
|
|---|
| 108 | state-of -the art knowledge of mechanical properties of alloys under high
|
|---|
| 109 | rate neutron irradiation as already mentionned.</li>
|
|---|
| 110 | </ol>
|
|---|
| 111 | </blockquote>
|
|---|
| 112 | They will include proposition of specific solutions or R&D to
|
|---|
| 113 | be conducted necessary to achieve a lifetime of such system of few
|
|---|
| 114 | 100 Mega cycles or more. For instance, the documents will address solutions
|
|---|
| 115 | <ul>
|
|---|
| 116 | <li>
|
|---|
| 117 | to the choices of material for the collection device,</li>
|
|---|
| 118 |
|
|---|
| 119 | <li>
|
|---|
| 120 | of machining, soldering and assembling techniques,</li>
|
|---|
| 121 |
|
|---|
| 122 | <li>
|
|---|
| 123 | of heat removal and cooling system,</li>
|
|---|
| 124 |
|
|---|
| 125 | <li>
|
|---|
| 126 | to the problems of TARGET integration in the collection system</li>
|
|---|
| 127 |
|
|---|
| 128 | <li>
|
|---|
| 129 | and of periodic replacement in a high radioactive environment.</li>
|
|---|
| 130 | </ul>
|
|---|
| 131 | Other deliverables will be intermediate specialized notes and worshop proceedings
|
|---|
| 132 | that will be used for the final
|
|---|
| 133 | <br>document, and simulation programs that will be worth to develop for
|
|---|
| 134 | these studies.
|
|---|
| 135 | <br>
|
|---|
| 136 | <p><b><font size=+2>5 Year Schedule <i><font color="#CC0000">(from Roger)</font></i></font></b>
|
|---|
| 137 | <p>Spring 2004 Initial meeting of the Target and Collector Sections. Allotment
|
|---|
| 138 | of specific duties.
|
|---|
| 139 | <p>Summer 2004 1st Main Meeting (with international participants) to present
|
|---|
| 140 | the current progress in target and collector studies.
|
|---|
| 141 | <p>Winter 2004 <font color="#CC0000">Publication of the current position
|
|---|
| 142 | of target and collector development.</font>
|
|---|
| 143 | <br><font color="#CC0000">Preliminary recommendations for future R&D.</font>
|
|---|
| 144 | <p>Summer 2005 1st International Conference on Targets and Collectors.
|
|---|
| 145 | <p>Spring 2006 Publication of Conference Proceedings.
|
|---|
| 146 | <br>/Summer 2nd Main meeting of the Target and Collector Sections.
|
|---|
| 147 | <p>Autumn 2006 <font color="#FF0000">Publication of interim report on Target
|
|---|
| 148 | and Collector developments.</font>
|
|---|
| 149 | <br><font color="#FF0000"> Recommendations for future R&D.</font>
|
|---|
| 150 | <p>Summer 2007 2nd International Conference on Targets and Collectors.
|
|---|
| 151 | <p>Spring 2008 Publication of Conference Proceedings.
|
|---|
| 152 | <br>/Summer 3rd Main and final meeting of the Target and Collector Sections.
|
|---|
| 153 | <p>Winter 2008 <font color="#FF0000">Final report and recommendations of
|
|---|
| 154 | the Target and Collector Sections.</font><font color="#FF0000"></font>
|
|---|
| 155 | <p><b><font size=+2>Plans for the following 18th monthes COLLECTOR</font></b>
|
|---|
| 156 | <br>Before the NA will start:
|
|---|
| 157 | <ul>
|
|---|
| 158 | <ul>
|
|---|
| 159 | <li>
|
|---|
| 160 | report on 6000 type alloy caracteristics on mecanical properties under
|
|---|
| 161 | high intensity neutron flux based on bibliographic documentation</li>
|
|---|
| 162 |
|
|---|
| 163 | <li>
|
|---|
| 164 | initiate collaboration with French-CEA for stress limit measurement of
|
|---|
| 165 | 6000 type alloy under high level of neutron flux.</li>
|
|---|
| 166 |
|
|---|
| 167 | <li>
|
|---|
| 168 | report on analytic solutions of the Horn thermal/mecanical design</li>
|
|---|
| 169 |
|
|---|
| 170 | <li>
|
|---|
| 171 | start of thermal/mecanical simulation of the Horn for a SuperBeam
|
|---|
| 172 | project</li>
|
|---|
| 173 |
|
|---|
| 174 | <li>
|
|---|
| 175 | first report on electric power design of the Horn for SuperBeam project</li>
|
|---|
| 176 |
|
|---|
| 177 | <li>
|
|---|
| 178 | proposal for Horn prototype building as Design Studies Technical Work Project</li>
|
|---|
| 179 | </ul>
|
|---|
| 180 |
|
|---|
| 181 | <li>
|
|---|
| 182 | Spring 2004</li>
|
|---|
| 183 |
|
|---|
| 184 | <ul>
|
|---|
| 185 | <li>
|
|---|
| 186 | first guide of the collection systems used in the past, present and near
|
|---|
| 187 | future (along R1 publication): mechanical stresses and design, electric
|
|---|
| 188 | power caracteristics and design, heat dissipation system design, failure
|
|---|
| 189 | description, lifetime in operation</li>
|
|---|
| 190 |
|
|---|
| 191 | <li>
|
|---|
| 192 | <font color="#000000">status report of the CERN Horn prototype</font></li>
|
|---|
| 193 |
|
|---|
| 194 | <li>
|
|---|
| 195 | reports on other mechanical tests as diffusion coefficient measurements</li>
|
|---|
| 196 |
|
|---|
| 197 | <li>
|
|---|
| 198 | integration of preliminary TARGET parameters on thermal/mecanical simulation
|
|---|
| 199 | of the Horn for a SuperBeam project</li>
|
|---|
| 200 |
|
|---|
| 201 | <li>
|
|---|
| 202 | first drawing design of a new Horn prototype</li>
|
|---|
| 203 | </ul>
|
|---|
| 204 |
|
|---|
| 205 | <li>
|
|---|
| 206 | Summer 2004</li>
|
|---|
| 207 |
|
|---|
| 208 | <ul>
|
|---|
| 209 | <li>
|
|---|
| 210 | R1 repport production</li>
|
|---|
| 211 |
|
|---|
| 212 | <li>
|
|---|
| 213 | status report on thermo/mechanical simulations</li>
|
|---|
| 214 |
|
|---|
| 215 | <li>
|
|---|
| 216 | status report on electric power design to deliver 300kA/50Hz</li>
|
|---|
| 217 | </ul>
|
|---|
| 218 |
|
|---|
| 219 | <li>
|
|---|
| 220 | Spring 2005</li>
|
|---|
| 221 |
|
|---|
| 222 | <ul>
|
|---|
| 223 | <li>
|
|---|
| 224 | first result on stress limit measurement of irradiated materials</li>
|
|---|
| 225 |
|
|---|
| 226 | <li>
|
|---|
| 227 | final design of a new Horn prototype to launch realisation</li>
|
|---|
| 228 | </ul>
|
|---|
| 229 | </ul>
|
|---|
| 230 | Afterwards their will be prototype realisation by the Design Studies TWP
|
|---|
| 231 | and measurement campain that will end by the writing of R2. Then, new work
|
|---|
| 232 | will be undertaken by DS TWP in the line of R3 report goal.
|
|---|
| 233 | </body>
|
|---|
| 234 | </html>
|
|---|
