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Schematics for simplified energy deposition study in IR7

Schematics for simplified energy deposition study in IR7. R. Assmann. Length of dogleg: 40m Horizontal displacement: 0.03m Kick angle: ± 0.38 mrad. Parallel beam separation: 224 mm MBW.D6L7.B1 331.07-334.47m 3.40m DRIFT 334.47-335.31m 0.84m MBW.C6L7.B1 335.31-338.71m 3.40m

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Schematics for simplified energy deposition study in IR7

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  1. Schematics for simplified energy deposition study in IR7 R. Assmann

  2. Length of dogleg: 40m Horizontal displacement: 0.03m Kick angle: ± 0.38 mrad Parallel beam separation: 224 mm MBW.D6L7.B1 331.07-334.47m 3.40m DRIFT 334.47-335.31m 0.84m MBW.C6L7.B1 335.31-338.71m 3.40m TCPV 342.91-343.11m 0.20m 1.571rad TCPH 343.91-344.11m 0.20m 0.000rad TCPS 344.91-345.11m 0.20m 2.356rad MBW.B6L7.B1 370.81-374.21m 3.40m DRIFT 374.21-375.05m 0.84m MBW.A6L7.B1 375.05-378.45m 3.40m Parallel beam separation: 194 mm TCS.001.B1 380.46-382.46m 2.00m 0.717rad TCSH.001.B1 382.46-384.46m 2.00m 0.717rad TCS.002.B1 384.46-386.46m 2.00m 2.469rad TCSH.002.B1 386.46-388.47m 2.00m 2.469rad TCS.0016.B2 397.91-399.91m 2.00m 0.008rad TCSH.0016.B2 399.91-401.91m 2.00m 0.008rad BPMW.B5L7.B1 402.90m MQWA.D5L7.B1 403.27-406.38m 3.11m • Note: • TCSH installed only for phase 2! • Beam2 collimators put around beam2!

  3. 40m Beam 2 224mm 194mm QUAD Beam 1 TCP TCS TCSH

  4. Dogleg bends Ins. Type Numb. L [m] Nom. B Op. B @7 TeV Aper. sep. IR1 MBXW 2*6 3.40 1.38 T (770 A) 1.283 000 mm IR3 MBW 2*3 3.40 1.42 T (700 A) 1.296 209 mm IR5 MBXW 2*6 3.40 1.38 T (770 A) 1.283 000 mm IR7 MBW 2*2 3.40 1.42 T (700 A) 1.296 209 mm Take operating B, making sure that 0.38mrad are obtained with 7 TeV! Magnet contact: Suitbert Ramberger. Beam pipes: Material Inner radius Thickness wall Location Cu 52 mm 2 mm Dogleg Cu 80 mm 2 mm Collimators Cu 29x51 mm2 2 mm QD Cu 51x29 mm2 2 mm QF Note: E.g. quadrupole is QF for beam1 and QD for beam2!

  5. Beam Loss Maps • Impact of 600,000 protons at • primary collimator 1 (vertical) • primary collimator 2 (horizontal) • primary collimator 3 (skew 45 deg) • Specify impact offset and angle • Beam loss map (absorption = inelastic interaction)

  6. Definition of Jaw Rotation y q x Beam goes into the plane

  7. Loss Map & Impact TCP 1 q = p/2 597493 protons absorbed # 1=icoll 2=nimp 3=nabs 4=imp_av 5=imp_sig 1 1129546 462179 0.7682201E-05 0.2249561E-04 2 217 94 0.2215203E-02 0.2646089E-02 3 4958 2079 0.1190775E-03 0.3645254E-03 4 6059 2573 0.1026784E-03 0.3052034E-03 5 36458 33867 0.5701288E-03 0.6058842E-03 6 31468 29276 0.6094050E-03 0.6612412E-03 7 20473 19148 0.1091832E-02 0.1292511E-02 8 10887 10157 0.5836001E-03 0.7543308E-03 9 6181 5513 0.2491810E-03 0.3828392E-03 10 3094 2870 0.5028693E-03 0.5408130E-03 11 231 211 0.7839616E-03 0.8540764E-03 12 6013 5599 0.3944759E-03 0.3925002E-03 13 5926 5522 0.5179947E-03 0.4611095E-03 14 4966 4564 0.2709348E-03 0.4263578E-03 15 6103 5621 0.1896572E-03 0.5046988E-03 16 4989 4587 0.1250920E-03 0.2139725E-03 17 2590 2290 0.1251694E-03 0.1415561E-03 18 966 838 0.7258873E-04 0.1372576E-03 19 536 460 0.9191165E-04 0.1637497E-03 20 46 45 0.5905595E-03 0.4901309E-03 Divergence x [urad]: 0.0 Divergence y [urad]: 17.0Aperture [mm]: 1.22 20031216/115900_

  8. Efficiency TCP 1 Eff_r @ 10 sigma [e-4] : 7.67

  9. Loss Map & Impact TCP 2 q = 0 582142 protons absorbed # 1=icoll 2=nimp 3=nabs 4=imp_av 5=imp_sig 1 239 106 0.7813189E-03 0.8956156E-03 2 1143965 449885 0.1693239E-04 0.9253897E-04 3 9409 3980 0.1151843E-03 0.4842066E-03 4 8673 3641 0.9480703E-04 0.3447816E-03 5 13454 12518 0.5712955E-03 0.5541933E-03 6 12728 11799 0.6081903E-03 0.5914514E-03 7 41244 38364 0.1371223E-02 0.1410091E-02 8 14210 13104 0.7432079E-03 0.9500268E-03 9 4466 4219 0.3427315E-03 0.3620415E-03 10 5940 5530 0.3140248E-03 0.4691208E-03 11 5437 4929 0.1908965E-03 0.3046926E-03 12 3429 3209 0.2603389E-03 0.3354815E-03 13 5576 5188 0.3561482E-03 0.3162882E-03 14 2868 2638 0.3555088E-03 0.4383243E-03 15 6722 6260 0.4629605E-03 0.5855921E-03 16 5264 4873 0.2997983E-03 0.3230324E-03 17 61 58 0.4057382E-03 0.5288194E-03 18 2272 2091 0.1375529E-03 0.2357339E-03 19 2953 2716 0.1203281E-03 0.1959938E-03 20 7858 7034 0.2933059E-03 0.3176412E-03 Divergence x [urad]: -22.44 Divergence y [urad]: 0.00 Aperture [mm]: 1.63 20031216/123240_

  10. Efficiency TCP 2 Eff_r @ 10 sigma [e-4] : 11.42

  11. q = 3p/4 Loss Map & Impact TCP 3 460088 protons absorbed # 1=icoll 2=nimp 3=nabs 4=imp_av 5=imp_sig 1 484 193 0.1493556E-03 0.2952981E-03 2 987 424 0.3540202E-03 0.1365424E-02 3 730257 307274 0.1006482E-04 0.4139829E-04 4 121068 51799 0.4103503E-04 0.7037004E-04 5 11951 11050 0.5227422E-03 0.5523074E-03 6 25597 23888 0.5782633E-03 0.6096449E-03 7 22468 20899 0.1302156E-02 0.1401771E-02 8 15366 14349 0.7646970E-03 0.7380935E-03 9 2951 2718 0.4338165E-03 0.4976064E-03 10 5165 4803 0.4206574E-03 0.5055759E-03 11 540 500 0.5382804E-03 0.7969125E-03 12 7035 6537 0.3167984E-03 0.3376723E-03 13 2925 2729 0.3980260E-03 0.4108396E-03 14 4327 4033 0.3741820E-03 0.4123936E-03 15 2926 2732 0.3695073E-03 0.6957841E-03 16 4412 4102 0.2805121E-03 0.3239142E-03 17 79 72 0.3148021E-03 0.3492334E-03 18 386 352 0.1441703E-03 0.2233562E-03 19 1500 1368 0.1225369E-03 0.1891827E-03 20 298 266 0.2483695E-03 0.3663498E-03 Divergence x [urad]: -15.79 Divergence y [urad]: 12.39 Aperture [mm]: 1.44 20031217/114626_

  12. Efficiency TCP 3 Eff_r @ 10 sigma [e-4] : 4.69

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