Project

General

Profile

Physics Shift Report

Start Date: 8th December
End Date: 12th December
Start Run: 08776
End Run: 08858
Physics shifter: Ao Liu(8-10), Francois Drielsma(11-12)

Task

The task at end is to continue to take data for the emittance reduction measurement with LiH, task H9, for 200 MeV/c beams.

The cooling channel is in the setting 2016-04_1.7.

Task H9 - Emittance Reduction!!

Task Momentum # Triggers Beamline Tag CoolingChannel Tag Similar runs Final Event Tally (k)
H9a 200 1e6 TOF1 3-200+M3_Test1 2016-04-1.7 H4a H7a 1208
H9b 200 1e6 TOF1 6-200+M3-Test1 2016-04-1.7 H4b H7b 1000
H9c 200 2e6 TOF1 10-200+M3-Test1 2016-04-1.7 H4c H7c 3817
H9d 200 2e6 TOF1 DiffMask8-3-200+M3-Test1 2016-04-1.7

Task H10 - Magnet alignment

Task Momentum # Triggers Beamline Tag CoolingChannel Tag Similar runs Final Event Tally (k)
H10a 140 8e5 TOF1 DiffMask8-3-140+M3-Test2 2016-04-1.7
H10b 170 8e5 TOF1 DiffMask8-3-170+M3-Test1 2016-04-1.7
H10c 240 8e5 TOF1 DiffMask8-3-240+M3-Test1 2016-04-1.7 814

Analysis

  • Tag is the beamline tag
  • Runs is a list of runs considered to make following calculations (I didn't use all runs for a particular tag)
  • TOF1 Triggers is the sum of the CDB TOF1 triggers scalar; note this is trigger requests (does not include dead time/etc)
  • TOF2 Triggers is the sum of the CDB TOF2 triggers scalar; note this is trigger requests (does not include coincidence with TOF1/etc)
  • lmc1234 sum is the sum of the CDB luminosity monitor scalar
  • time taken is the sum of the times listed (time between "start run" and "stop run")
  • number in muon peak is the number reporting tof01 in the muon peak, tuned by tag (roughly 28 to 32 ns)
  • number at tof2 is the number reporting at least one space point in tof1 and exactly one space point in tof2
  • number passing all cuts is the number passing:-
    • exactly one track in TKU
    • tof01 in the muon peak (tuned by tag)
    • TKU total momentum between 135 and 145 MeV/c
    • Exactly one space point in TOF0 and TOF1
  • number passing all cuts/p in tku:- I histogram p in TKU, then find the peak bin, then report number in the peak bin divide bin width
  • number passing all cuts/tof01:- as per previous entry, but this time using tof01 histogram

Analyses: Task H9 - Emittance Reduction!!

Observations made on setting H9d:
  • Far off in its mean momentum, peaked around 180MeV/c instead of 200. This is due to the presence of Iris 4 that accounts for ~16MeV/c of energy loss as specified in a previous physics shift report.
  • The beam line has not been adjusted to take care of this feature.
  • A processing with momentum between [175-185] has been produced to study the emittance of the input beam.
  • The upstream emittance is measured upstream as being ~8.63 mm
Tag Runs lmc1234 sum TOF1 Triggers TOF2 Triggers time taken number in muon peak number at tof2 number passing all cuts number passing all cuts / p in tku [MeV/c^-1] number passing all cuts / tof01 [ns^-1]
3-200+M3-Test1 [8776, 8777] 1407497 840282 155063 3 hrs 31 mins 384280 75365 16281 2176.4 32630.0
6-200+M3-Test1_8796 [8796] 261540 243452 131667 0 hrs 50 mins 75265 72666 14091 1490.63 27635.0
10-200+M3-Test1_8817_8828 [8817, 8818, 8819, 8820, 8821, 8822, 8823, 8824, 8825, 8826, 8828] 3449480 4192571 1243509 11 hrs 29 mins 1169086 589709 105440 11794.93 241565.0
3-200-diff8+M3-Test1_8849_8858 [8849, 8850, 8851, 8852, 8853, 8854, 8855, 8856, 8857, 8858] 4989260 2996165 305359 14 hrs 34 mins 1430228 107980 3430 483.3 9225.0
3-200-diff8-newcut+M3-Test1_8849_8858 [8849, 8850, 8851, 8852, 8853, 8854, 8855, 8856, 8857, 8858] 4989260 2996165 305359 14 hrs 34 mins 1430228 107980 77397 8791.35 182925.0

Analyses: Task H10 - Magnet alignment

The momentum seem a bit low when you have the new beamline setting with one of the iris closed.
You may find the plots in the tarballs named by the beamline tags in the attachments.

Tag Runs lmc1234 sum TOF1 Triggers TOF2 Triggers time taken number in muon peak number at tof2 number passing all cuts number passing all cuts / p in tku [MeV/c^-1] number passing all cuts / tof01 [ns^-1]
DiffMask8-3-240+M3-TSpecial Run [8832, 8834, 8836, 8838] 879460 827975 138937 2 hrs 40 mins 235935 71610 33501 1521.15 61120.0
DiffMask8-3-170+M3-TSpecial Run [8835] 690099 283825 92043 1 hrs 58 mins 106014 43682 65366 2769.75 86445.0
DiffMask8-3-140+M3-TSpecial Run [8833, 8837] 1454987 439456 90277 4 hrs 0 mins 133946 20667 71351 3240.32 80810.0

Sample output

Task H9 - Emittance Reduction!!

===== 3 mm-200 =====

===== 6 mm-200 =====

===== 10 mm-200 =====

===== 3 mm-200-diff8-newcut =====

plots_200MeVc_3.tar (1.17 MB) Drielsma, François, 12 December 2016 11:27

plots_DiffMask8-3-140_M3.tar (1.43 MB) Drielsma, François, 12 December 2016 11:27

plots_DiffMask8-3-170_M3.tar (1.44 MB) Drielsma, François, 12 December 2016 11:27

plots_DiffMask8-3-240_M3.tar (1.39 MB) Drielsma, François, 12 December 2016 11:27

6-200_M3-Test1_8796.tar.gz (1.03 MB) Drielsma, François, 12 December 2016 12:27

08796.log Magnifier (6.16 KB) Drielsma, François, 12 December 2016 12:27

8796_bunch_x_px.png (30.6 KB) Drielsma, François, 12 December 2016 12:27

8796_bunch_y_py.png (31.8 KB) Drielsma, François, 12 December 2016 12:27

8776_8777_bunch_x_px.png (31.9 KB) Drielsma, François, 12 December 2016 12:31

8776_8777_bunch_y_py.png (30.2 KB) Drielsma, François, 12 December 2016 12:31

10-200_M3-Test1_8817_8828.tar.gz (2.66 MB) Drielsma, François, 12 December 2016 13:51

08817-08828.log Magnifier (20.2 KB) Drielsma, François, 12 December 2016 13:51

8817_8828_bunch_x_px.png (50.1 KB) Drielsma, François, 12 December 2016 13:51

8817_8828_bunch_y_py.png (52.6 KB) Drielsma, François, 12 December 2016 13:51

3-200-diff8_M3-Test1_8849_8858.tar.gz (960 KB) Drielsma, François, 12 December 2016 14:24

08849-08858.log Magnifier (20.4 KB) Drielsma, François, 12 December 2016 14:24

3-200-diff8-newcut_M3-Test1_8849-8858.tar.gz (1.97 MB) Drielsma, François, 12 December 2016 15:12

08849-08858-newcut.log Magnifier (21 KB) Drielsma, François, 12 December 2016 15:12

8849_8858_bunch_x_px.png (53 KB) Drielsma, François, 12 December 2016 15:12

8849_8858_bunch_y_py.png (52.1 KB) Drielsma, François, 12 December 2016 15:12

bz_z_200sol_2016-04_1_7.png (20.1 KB) Drielsma, François, 12 December 2016 19:28

bz_z_200sol_2016-04_1_7_small.png (34.3 KB) Drielsma, François, 12 December 2016 19:28