Run Plan September/October 2017¶

Take data with and without the liquid hydrogen absorber.

Data Requested¶

• Beam line tuning
• TOF calibration
• Detectors alignment
• Data with absorber during the filling with liquid hydrogen in solenoid mode
• Data with absorber during the filling with liquid hydrogen in flip mode
• Data with full liquid hydrogen absorber in flip mode
• Data with full liquid hydrogen absorber in solenoid mode
• Data with M2D on and full absorber with liquid hydrogen in solenoid mode
• Data with M2D on and full absorber with liquid hydrogen in flip mode
• Data with M2D on and empty absorber in solenoid mode

Task Summary¶

TOF calibration - DONE¶

Task	Momentum	# Particle Triggers	Beamline Tag	CoolingChannel Tag	Final Event Tally (k)
S12a	150	2M @ TOF1	ToF-Calib+150	StepIV-Off
S12b	300	1M @ TOF1	ToF-Calib+300	StepIV-Off

Detector alignment - DONE¶

Task	Momentum	# Particle Triggers	Beamline Tag	ColingChannel Tag	Similar runs	Final Event Tally (k)
S13a	300	1000k at TOF1	300MeV+pi pa82	StepIV-Off	8030
S13b	400	1000k at TOF1	400MeV+pi pa82	StepIV-Off	8041

LH2 filling - Solenoid mode - 2017-02-1 - DONE¶

Task	Momentum	# Particle Triggers	Beamline Tag	ColingChannel Tag	Similar runs	Final Event Tally (k)
H20a	140	1000k at TOF1	3-140+M3-Test2	2017-02-1	-
H20b	140	1000k at TOF1	6-140+M3-Test2	2017-02-1	-
H20c	140	1000k at TOF1	10-140+M3-Test3	2017-02-1	-

LH2 filling - 200 MeV/c optimisation¶

Scaling from 3-200+M3-Test1 ... 50k TOF1 triggers

beam_stop	diffuser_thickness	proton_absorber_thickness	Q1	Q2	Q3	D1	DS	D2	Q4	Q5	Q6	Q7	Q8	Q9
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	143.496	213.82	141.76	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	175.384	213.82	141.76	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	192.438	141.76	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	235.202	141.76	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	127.584	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	155.936	69.99	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	62.991	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	76.989	105.93	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	69.99	95.337	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	69.99	116.523	90.44
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	69.99	105.93	81.396
Open	0	29	60.74	75.84	52.74	180.7	395.77	94.91	159.44	213.82	141.76	69.99	105.93	99.484

LH2 filling - momentum scan¶

Task	Momentum	# Particle Triggers	Beamline Tag	ColingChannel Tag	Similar runs	Final Event Tally (k)
H22a	170	1000k at TOF1	3-170+M3-Test1	2017-02-1	-
H22b	200	1000k at TOF1	3-200+M3-Test1	2017-02-1	-
H22c	240	1000k at TOF1	3-240+M3-Test1	2017-02-1	-

Beam tuning - momentum cleanup (200 MeV/c) - DONE¶

50k TOF1 triggers

beam_stop	diffuser_thickness	proton_absorber_thickness	Q1	Q2	Q3	D1	DS	D2	Q4	Q5	Q6	Q7	Q8	Q9
Open	0	29	62.2585	77.736	54.0585	185.2175	415.5585	97.28275	163.426	219.1655	145.304	71.73975	108.57825	92.701
Open	0	29	63.777	79.632	55.377	189.735	435.347	99.6555	167.412	224.511	148.848	73.4895	111.2265	94.962
Open	0	29	65.2955	81.528	56.6955	194.2525	455.1355	102.02825	171.398	229.8565	152.392	75.23925	113.87475	97.223

LH2 filling - Flip mode¶

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LH2 full - Solenoid mode¶

LH2 full - Flip mode¶

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M2D on - LH2 full - Solenoid mode¶

M2D on - LH2 full - Flip mode¶

M2D on - LH2 empty - Flip mode¶

M2D on - LH2 empty - Solenoid mode¶

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Beam line settings