5 pass Run Plan
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5-pass run plan
Goal
The goal of the E12-09-017 experiment is to measure the pt-dependence of SIDIS from proton, deuteron, and aluminum targets, for final state pi+, pi-, K+, and K-. The experiments aims to measure absolute cross sections with particular attention to achieving small errors on the ratios of cross sections for different final states and targets. The beam single-spin asymmetry will also be measured at the settings with sufficient phi coverage. The specific goals of this 5-pass run plan are: a) take the missing 6.5 degree setting for kinematic groups 1-8 that were taken in Spring 20187; b) do a higher (x,Q2) setting with kinematic groups 13-16.
Experimental setup
- Main trigger is ELREAL in HMS (ps3) in coincidence with 3/4 Hodoscopes in SHMS (ps1)
- HMS is setup for detecting electrons (inclusive DIS measurement).
- SHMS is setup for detecting charged pions and kaons (semi-inclusive DIS measurement). Coincidences are in ps5
Settings to monitor during shift
- Beam energy: 10.6 GeV. Raster 2x2
- Beam current:
- The nominal beam current is 60 muA. Please adjust the actual beam current to give the single SHMS rates below 500 kHz each time you change targets. You can see this number under "Ptrig1" on the upper left side of the scaler GUI. You can go as high as 70 muA for LD2 and LH2 if the rates are low enough. The dummy target is limited to 40 muA. Approximate beam currents (good starting point) are in the tables below.
- Trigger:
- Main trigger is EL_REAL in HMS in coincidence with 3/4 Hodo in SHMS (same as for Kaon-LT experiment).
- We will not usually be triggering on HMS or SHMS singles. Adjust prescale to give a very small number. We will have some EDT triggers (10 Hz)
- Prescale: PS5 0 all the time for normal production running. Special runs witll be taken with ps3=0 and all others -1 for getting
the HMS only DIS cross section and target boiling studies.
Optics studies DONE
- Series of optics calibrations runs at various central momentum of the HMS and SHMS
- Cycle magnets if needed.
- Run with sieve IN, raster 2x2,optics #1 target and highest current reasonably possible.
- Want to take electron singles triggers.
- Constant HMS/SHMS Conditions:
| HMS/SHMS collimator: | SIEVE, CENTERED SIEVE |
|---|---|
| HMS/SHMS trigger prescales: | PS1:-1 PS2:1 PS3:1 PS4:-1 PS5:-1 PS6:-1 |
| HMS angle/momentum | 13.5 deg, -6.358 GeV/c (First momentum setting) |
| SHMS angle/momentum | 13.5 deg, -6.358 GeV/c (First momentum setting) |
| Raster size | 2x2mm |
| Target | Optics #1 (3 foils at 0cm,+/-10cm) |
| Current | Max current that can be achieved |
- Momentum settings:
| Run 1 HMS/SHMS momentum: | -6.358 GeV/c | Record 100K electrons in each arm. | run 5335 (SHMS bender off for part of run) |
|---|---|---|---|
| Run 2 HMS/SHMS momentum: | -5.983 GeV/c | Record 100K electrons in each arm. | runs 5336 and 5337 |
| Run 3 HMS/SHMS momentum: | -5.714 GeV/c | Record 100K electrons in each arm. | runs 5338 and 5339 |
| Run 4 HMS/SHMS momentum: | -5.270 GeV/c | Record 100K electrons in each arm. | runs 5340 and 5341 |
Target boiling study DONE
- HMS settings: p=--5.27 GeV, theta = 16.3 HMS polarity: negative
- SHMS settings': p=--5.27 GeV, theta = 16.3 SHMS polarity: negative
- Set Ps1, Ps4, Ps5, Ps6 all to -1 (ie turn off)
- Each run should be about 10 minutes long (of good beam)
| target | ps2 | ps3 | current | run(s) |
|---|---|---|---|---|
| LD2 | 0 | -1 | 65 | 5347 |
| LD2 | 0 | -1 | 50 | 5348 |
| LD2 | 0 | -1 | 35 | 5349 |
| LD2 | 0 | -1 | 20 | 5350 |
| LD2 | -1 | 0 | 20 | 5342 |
| LD2 | -1 | 0 | 35 | 5343 |
| LD2 | -1 | 0 | 50 | 5344 |
| LD2 | -1 | 0 | 65 | 5346 (5345 had unstable current) |
| 1.5C | 0 | -1 | 65 | 5354 |
| 1.5C | 0 | -1 | 50 | 5353 |
| 1.5C | 0 | -1 | 35 | 5352 |
| 1.5C | 0 | -1 | 20 | 5351 |
| 1.5C | -1 | 0 | 20 | 5358 |
| 1.5C | -1 | 0 | 35 | 5357 |
| 1.5C | -1 | 0 | 50 | 5356 |
| 1.5C | -1 | 0 | 65 | 5355 |
| 10 dUMMY | -1 | 0 | 40 | 5359 |
| 10 dUMMY | 0 | -1 | 40 | 5360 |
| 10 dUMMY | 0 | -1 | 20 | 5361 |
| LH2 | 0 | -1 | 20 | 5362 |
| LH2 | -1 | 0 | 20 | 5363 |
| LH2 | -1 | 0 | 35 | 5364 |
| LH2 | -1 | 0 | 50 | 5365 |
| LH2 | -1 | 0 | 65 | 5366 |
Tracking efficiency study DONE OWL OCT 23
- Set DAQ to take coincidences (PS5=0, all others at -1)
- HMS settings: p=--5.27 GeV, theta = 16.3
HMS polarity: negative
- SHMS settings: p=- -3.44 GeV, theta = 14.0
SHMS polarity: negative
- Put in LD2 target
- Run for 30 minutes at 45 muA Run 5367
- Run for 30 minutes at 30 muA Run 5368
- Run for 30 minutes at 15 muA Run 5369
- Run for 30 minutes at 60 muA Run 5370
- Run for 30 minutes at 70 muA Run 5371 if DC stays on and target OK)
- Run for 30 minutes at 70 muA Run 5372
- Run for 30 minutes at 60 muA Run 5373
- Run for 30 minutes at 45 muA Run 5374
- Run for 30 minutes at 30 muA Run 5375
- Run for 30 minutes at 15 muA Run 5376
- Run for 30 minutes at 45 muA Run 5377
| target | current | run(s) | Good epi Events |
|---|---|---|---|
| LD2 | 45 | 5347 | 3064 |
| LD2 | 30 | 5368 | 3553 |
| LD2 | 15 | 5369 | 2630 |
| LD2 | 60 | 5370 | 1970 |
| LD2 | 70 | 5371 | 624 |
| LD2 | 70 | 5372 | 839 |
| LD2 | 60 | 5373 | 2710 |
| LD2 | 45 | 5374 | 4672 |
| LD2 | 30 | 5375 | 5455 |
| LD2 | 15 | 5376 | 5334 |
| LD2 | 45 | 5377 | 3300 |
Exclusive reactions check DONE
HMS settings: p=-5.27 GeV, theta = 23
HMS polarity: negative
SHMS settings: p=+4.80 GeV, theta = 16.
SHMS polarity: positive
Target is LH2
All ps=-1 except ps3=0
Take data for 1 hour at maximum available current. Run 5387
Move SHMS to 19 degrees
Take data for 1 hour at maximum available current. Run 5388
HMS Monitoring runs
Once per shift, while on LH2 target, take a 10-minute-long run with HMS singles only with whatever current you are running for coincidences.
Set PS3=0 and all others -1. Don't forget to switch back to PS6=0, all others -1 when done!
| Date, shift | P_HMS | Theta_HMS | current | run(s) | EL_REAL/BCM4B (cut) |
|---|---|---|---|---|---|
| 10/23 swing | -5.27 | 16.3 | 65 | 5389 | 158.6 |
| 10/24 owl | -5.27 | 16.3 | 65 | 5412 | 157.4 |
| 10/26 owl | -5.27 | 16.3 | 35 | 5450 | 156.8 |
| 10/26 swing | -5.27 | 16.3 | 20 | 5482 | 158.6 |
| 10/26 swing | -5.27 | 16.3 | 10 | 5490 | 154.9 |
| 10/27 owl | -5.27 | 16.3 | 17 | 5503 | 158.1 |
| 10/27 swing | -5.27 | 16.3 | 60 | 5526 | 159.5 |
| 10/27 swing | -5.27 | 16.3 | 65 | 5545 | 160.9 |
| 10/28 owl | -5.27 | 16.3 | ? | ? | ? |
| 10/28 owl | -5.27 | 16.3 | ? | ? | ? |
| 10/28 day | -5.27 | 16.3 | 65 | 5580 | 160.1 |
| 10/28 swing | -5.27 | 16.3 | 7 | 5598 | 159.6 |
Kinematic Settings
# means setting number Ptrig5 is the approximate anticipated coincidence rate divided by 3 in Hz approximate current current is the current for which rates are calculated (on LH2). It is fine to run at higher currents (preferably around 60 uA), except of course on the dummy target (40 uA).
Kinematic Group 13
KInematics: x=0.45, Q2=4.50 GeV2, W=2.53 GeV
HMS settings: p=-5.27 GeV, theta = 16.3
HMS polarity: negative
SHMS polarity: positive
Set all ps to -1 except ps6=0
PTrig5 approximate Goals and actual mC SHMS SHMS LH2 beam current LH2 LD2 Dummy # P Thet z pt Hz/3 LH2 LD2 Dum goal got goal got goal got done? 1 4.80 14.0 0.82 -0.09 11. 60.0 60.0 40.0 140. 163. 140. 204 70. 80. done 2 4.80 16.0 0.82 0.09 6. 60.0 60.0 40.0 140. 190 140. 239 70. 74 done 3 3.44 14.0 0.60 -0.06 143. 60.0 54.8 40.0 140. 161. 134. 152. 70. 93. Done 4 3.44 16.0 0.60 0.06 72. 60.0 60.0 40.0 140. 175. 140. 97. 70. 83. done 5 3.44 8.0 0.60 -0.42 22. 10.7 5.4 23.8 59. 0. 42. 0. 40. 0. do later 6 3.44 10.0 0.60 -0.30 119. 22.4 11.2 40.0 85. 91 60. 67. 50. 77. done 7 3.44 12.0 0.60 -0.18 261. 48.6 24.3 40.0 126. 118 89. 92 70. 97 done 8 3.44 18.0 0.60 0.18 39. 60.0 60.0 40.0 140. 163. 140. 161. 70. 90 done 9 3.44 20.0 0.60 0.30 22. 60.0 60.0 40.0 140. 206. 140. 144. 70. 101. done 10 2.58 8.0 0.45 -0.31 25. 5.7 2.9 12.7 43. 43 31. 31 39. 46 done 11 2.58 10.0 0.45 -0.22 55. 9.8 4.9 21.7 56. 62. 40. 53. 40. 65. done 12 2.58 12.0 0.45 -0.13 98. 17.1 8.6 38.1 75. 94 53. 57. 60. 103. done 13 2.58 14.0 0.45 -0.04 178. 30.9 15.5 40.0 100. 100 71. 69 70. 77 done 14 2.58 16.0 0.45 0.05 328. 57.2 28.6 40.0 140. 125 97. 92 70. 80 done 15 2.58 18.0 0.45 0.14 141. 60.0 54.2 40.0 140. 152. 110. 125. 70. 76. done 16 2.58 20.0 0.45 0.23 78. 60.0 60.0 40.0 140. 181. 140. 138. 70. 72. done 17 2.58 22.0 0.45 0.32 44. 60.0 60.0 40.0 140. 160. 140. 210. 70. 95. done 18 2.58 24.0 0.45 0.41 24. 60.0 60.0 40.0 140. 200. 140. 203. 70. 92. done 19 2.58 26.0 0.45 0.49 12. 60.0 60.0 40.0 140. 200. 140. 168. 70. 85. done 20 2.58 28.0 0.45 0.58 7. 60.0 60.0 40.0 140. 164. 140. 155. 70. 82. done 21 2.58 30.0 0.45 0.67 4. 60.0 60.0 40.0 140. 146. 140. 165. 70. 94. done
Kinematic Group 14
KInematics: x=0.45, Q2=4.50 GeV2, W=2.53 GeV
HMS settings: p=-5.27 GeV, theta = 16.3
SHMS polarity: negative
PTrig5 approximate Goals and actual mC SHMS SHMS LH2 beam current LH2 LD2 Dummy # P Thet z pt Hz/3 LH2 LD2 Dum goal got goal got goal got 1 -4.80 14.0 0.82 -0.09 11. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 2 -4.80 16.0 0.82 0.09 6. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 3 -3.44 14.0 0.60 -0.06 143. 60.0 51.7 40.0 140. 0. 130. 0. 70. 0. 4 -3.44 16.0 0.60 0.06 72. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 5 -3.44 8.0 0.60 -0.42 22. 10.7 5.4 23.8 59. 0. 42. 0. 54. 0. do if have time at end of run 6 -3.44 10.0 0.60 -0.30 119. 22.4 11.2 40.0 85. 0. 60. 0. 70. 0. 7 -3.44 12.0 0.60 -0.18 261. 48.6 24.3 40.0 126. 0. 89. 0. 70. 0. 8 -3.44 18.0 0.60 0.18 39. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 9 -3.44 20.0 0.60 0.30 22. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 10 -2.58 8.0 0.45 -0.31 25. 5.7 2.9 12.7 43. 0. 31. 0. 39. 0. 11 -2.58 10.0 0.45 -0.22 55. 9.8 4.9 21.7 56. 0. 40. 0. 40. 0. 12 -2.58 12.0 0.45 -0.13 98. 17.1 8.6 38.1 75. 0. 53. 0. 53. 0. 13 -2.58 14.0 0.45 -0.04 178. 30.9 15.5 40.0 100. 0. 71. 0. 70. 0. 14 -2.58 16.0 0.45 0.05 328. 57.2 28.6 40.0 140. 0. 97. 0. 70. 0. 15 -2.58 18.0 0.45 0.14 141. 60.0 54.2 40.0 140. 0. 133. 0. 70. 0. 16 -2.58 20.0 0.45 0.23 78. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 17 -2.58 22.0 0.45 0.32 44. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 18 -2.58 24.0 0.45 0.41 24. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 19 -2.58 26.0 0.45 0.49 12. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 20 -2.58 28.0 0.45 0.58 7. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 21 -2.58 30.0 0.45 0.67 4. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0.
Kinematic Group 15
KInematics: x=0.45, Q2=4.50 GeV2, W=2.53 GeV
HMS settings: p=-5.27 GeV, theta = 16.3
SHMS polarity: positive
PTrig5 approximate Goals and actual mC
SHMS SHMS SHMS beam current LH2 LD2 Dummy
# P Thet z pt Hz/3 LH2 LD2 Dum goal got goal got goal got
2 2.01 8.0 0.35 -0.24 13. 4.2 2.1 9.3 37. 0. 26. 0. 34. 0.
3 2.01 10.0 0.35 -0.17 22. 6.2 3.1 13.9 45. 0. 32. 0. 41. 0.
4 2.01 12.0 0.35 -0.10 51. 9.5 4.8 21.2 56. 0. 39. 0. 51. 0.
5 2.01 14.0 0.35 -0.03 86. 14.9 7.5 33.2 70. 0. 49. 0. 64. 0.
6 2.01 16.0 0.35 0.04 137. 23.8 11.9 40.0 88. 0. 62. 0. 70. 0.
7 2.01 18.0 0.35 0.11 201. 38.6 19.3 40.0 112. 0. 79. 0. 70. 0.
8 2.01 20.0 0.35 0.18 223. 60.0 31.8 40.0 140. 0. 102. 0. 70. 0.
9 2.01 22.0 0.35 0.25 137. 60.0 53.3 40.0 140. 0. 132. 0. 70. 0.
10 2.01 24.0 0.35 0.32 82. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0.
11 2.01 26.0 0.35 0.38 48. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0.
12 2.01 28.0 0.35 0.45 29. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0.
13 2.01 30.0 0.35 0.52 17. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0.
Kinematic Group 16
KInematics: x=0.45, Q2=4.50 GeV2, W=2.53 GeV
HMS settings: p=-5.27 GeV, theta = 16.3
SHMS polarity: negative
PTrig5 approximate Goals and actual mC SHMS SHMS SHMS beam current LH2 LD2 Dummy # P Thet z pt Hz/3 LH2 LD2 Dum goal got goal got goal got 2 -2.01 8.0 0.35 -0.24 13. 3.4 2.1 9.2 33. 0. 26. 0. 34. 0. 3 -2.01 10.0 0.35 -0.17 22. 5.3 3.1 13.8 42. 0. 32. 0. 41. 0. 4 -2.01 12.0 0.35 -0.10 51. 9.3 4.7 21.1 55. 0. 39. 0. 51. 0. 5 -2.01 14.0 0.35 -0.03 86. 14.8 7.4 33.0 70. 0. 49. 0. 64. 0. 6 -2.01 16.0 0.35 0.04 137. 23.6 11.8 40.0 88. 0. 62. 0. 70. 0. 7 -2.01 18.0 0.35 0.11 201. 37.1 19.2 40.0 110. 0. 79. 0. 70. 0. 8 -2.01 20.0 0.35 0.18 223. 60.0 31.6 40.0 140. 0. 102. 0. 70. 0. 9 -2.01 22.0 0.35 0.25 137. 60.0 52.9 40.0 140. 0. 132. 0. 70. 0. 10 -2.01 24.0 0.35 0.32 82. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 11 -2.01 26.0 0.35 0.38 48. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 12 -2.01 28.0 0.35 0.45 29. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0. 13 -2.01 30.0 0.35 0.52 17. 60.0 60.0 40.0 140. 0. 140. 0. 70. 0.
Kinematic Group 17
KInematics: x=0.31, Q2=3.10 GeV2, W=2.79 GeV. Pick up 6 deg and repeat 12 deg.
HMS settings: p=-5.27 GeV, theta = 13.5
SHMS polarity: positive at first, then negative
PTrig5 approximate Goals and actual mC SHMS SHMS LH2 beam current LH2 LD2 Dummy Done? # P Thet z pt Hz/3 LH2 LD2 Dum goal got goal got goal got done? 1 2.53 14.0 0.45 0.06 569. 28.7 14.3 40.0 97. 0. 68. 0. 70. 0. LH2 done, dummy in progress 2 2.53 12.0 0.45 -0.03 318. 16.1 8.1 35.8 73. 0. 51. 0. 66. 0. 3 2.53 6.6 0.45 -0.27 48. 4.0 2.0 8.7 40. 0. 25. 0. 33. 0. 4 -2.53 6.6 0.45 -0.27 48. 3.4 2.0 8.7 40. 0. 25. 0. 33. 0. 5 -2.53 12.0 0.45 -0.03 318. 16.1 8.1 35.8 73. 0. 51. 0. 66. 0. 6 -2.53 14.0 0.45 0.06 569. 28.7 14.3 40.0 97. 0. 68. 0. 70. 0.
Kinematic Group 18
KInematics: x=0.30, Q2=4.10 GeV2, W=3.23 GeV. Pick up 6 deg. and repeat 10 deg.
HMS settings: p=-3.32 GeV, theta = 19.7
SHMS polarity: positive at first, then negative
PTrig5 approximate Goals and actual mC SHMS SHMS LH2 beam current LH2 LD2 Dummy Done? # P Thet z pt Hz/3 LH2 LD2 Dum goal got goal got goal got 1 -3.40 12.0 0.45 0.21 124. 44.0 22.0 40.0 120. 0. 85. 0. 70. 0. 2 -3.40 10.0 0.45 0.09 59. 20.6 10.3 40.0 82. 0. 58. 0. 70. 0. 3 -3.40 8.0 0.45 -0.03 28. 10.4 5.2 23.0 58. 0. 41. 0. 53. 0. 4 -3.40 6.6 0.45 -0.15 14. 6.0 3.3 11.6 45. 0. 31. 0. 38. 0. 5 3.40 6.6 0.45 -0.15 14. 6.0 3.3 11.6 45. 0. 31. 0. 38. 0. 6 3.40 8.0 0.45 -0.03 28. 10.4 5.2 23.0 58. 0. 41. 0. 53. 0. 7 3.40 10.0 0.45 0.09 59. 20.6 10.3 40.0 82. 0. 58. 0. 70. 0. 8 3.40 12.0 0.45 0.21 124. 44.0 22.0 40.0 120. 0. 85. 0. 70. 0.
