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RunPlan20150722 » History » Version 4

Overton, Edward, 22 July 2015 14:38

1 1 Overton, Edward
h1. RunPlan20150722
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h3. Tracker Timing studies
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Note.. I'll insert instructions and beam requests here.
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Please use the following standard pion reference beam (and check this is the std. reference beam):
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|  Particle Species | p at Tgt | p@D1| p@D2| Proton Absorber | Q1 | Q2 | Q3 | D1| DS | D2| Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Similar Run(s)|
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| mm | A| A| A| A| A| A| A| A | A | A | A | A|A|A|A|A| DAQ run #|
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| Pion Reference | ? | ? | ? | 29  | 57.8 | 105.7 | 64.5 | 202.8| ---| 176.9 | 237.1 | 157.2 | 157.6 | 238.5 | 125.70 | 203.7 | 7257 |
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I would  like the following runs:
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Target is 25K Triggers in TOF1 per run...
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| Run Type | Timing FileName | Efficiency   | Alive Window | Alive Window | Est.   | Run # |
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|          |          | (Trig/Request) | Delay (ns)   | Width (ns)   | Spills |       |
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| Nominal  | Nominal.cfg         | 0.8        | 130          | 110 (116.4 meas.) | 1400 (20min)| ?? |
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| Section1 | Timing_section1.cfg | <0.2       | 130          | 30 (35 meas.) | 5600  (2hr) | ?? |
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| Section2 | Timing_section2.cfg | >0.2       | 130          | 30 (30 meas.) | 5600 (2hr) | ?? |
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| Section3 | Timing_section3.cfg | >0.2       | 130          | 30 (35 meas.) | 5600 (2hr) | ?? |
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| Section4 | Timing_section4.cfg | <0.2       | 130          | 30 (35 meas.) | 5600 (2hr) | ?? |
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*Instructions:*
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Cd into directory on acq machine:
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<pre>
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ssh miceacq16
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cd ~/tracker/gate_generator_config/
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</pre>
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For each setting do the following Run:
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<pre>
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./ConfigDownloadT560.py timing_studies/FileName
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</pre>eg:
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<pre>
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./ConfigDownloadT560.py timing_studies/Timing_section1.cfg
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</pre>
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Once complete run to restore to normal beam settings:
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<pre>
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./ConfigDownloadT560.py BeamTiming_TOF1.cfg
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</pre>
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Notes: In run 7257 830 spills collected. Assume ~1 noise hit in TOF2/TOF1 per spill = 830 noise hits
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TOF2/TOF1 scalars: 4835/19737 = 25%
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TOF2(-noise)/TOF1(-noise) = 20%
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23 Triggers per spill.
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Would like ~5K hits in TOF2 for each setting. => 25K Particle Triggers in TOF1.
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Could Halve these values if needed...