Physics Shift Report¶

Start Date: 5th December
End Date: 11th December
Start Run: 08733
End Run:
Physics shifter: Francois Drielsma(5-6), Ao Liu(7-11) (The two periods were written separately into two halves.)

Task¶

The task at end is to continue to take data for the emittance reduction measurement with LiH, task H7.

The cooling channel is in the setting 2016-04_1.5 which, corresponds to the following field in the cooling channel:

Task H7 - Emittance Reduction!!¶

Task	Momentum	# Triggers	Beamline Tag	CoolingChannel Tag	Similar runs
H7a	140	1e6 TOF1	3-140+M3-Test2	2016-04-1.5	H4a
H7b	140	1e6 TOF1	6-140+M3-Test2	2016-04-1.5	H4b
H7c	140	2e6 TOF1	10-140+M3-Test3	2016-04-1.5	H4c

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

Task H7 - Emittance Reduction!!¶

Adding 240 MeV/c data.

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]
3-140+M3-Test2_8733-8738	[8733, 8734, 8738]	1789222	521996	281211	4 hrs 13 mins	155099	134655	38524	4847.97	67500.0
6-140+M3-Test2_8736-8744	[8736, 8739, 8744]	2489544	917169	366259	5 hrs 40 mins	283637	162498	85975	9185.91	173260.0
10-140+M3-Test3_8737-8745	[8737, 8740, 8745]	2806318	1645663	289339	6 hrs 32 mins	749665	103749	49662	5391.51	87150.0
3-240+M3-Test1	[8747, 8748, 8750]	1048518	960522	218694	2 hrs 41 mins	270615	116469	10572	1361.17	25080.0

Sample output¶

Task H4 - Emittance Reduction!!¶

===== 3 mm-140 =====

===== 6 mm-140 =====

===== 10 mm-140 =====

Physics shifter: Ao Liu(7-10)

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
H9a	200	1e6 TOF1	3-200+M3_Test1	2016-04-1.7	H4a H7a
H9b	200	1e6 TOF1		2016-04-1.7	H4b H7b
H9c	200	2e6 TOF1		2016-04-1.7	H4c H7c

Analyses: Task H9 - Emittance Reduction!!¶

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

Task H10 - Magnet alignment¶

Task	Momentum	# Triggers	Beamline Tag	CoolingChannel Tag	Similar runs
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

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

The plots have been included in the tarball.