Difference between revisions of "KPP Run"
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*Triger file - <b> trigger/kpp1.trg </b> | *Triger file - <b> trigger/kpp1.trg </b> | ||
*Take data, 2 hours a run | *Take data, 2 hours a run | ||
− | *Keep track of runs, run#, torus seting, target | + | *Keep track of runs, run#, torus seting, target position, # of triggers, start/end time, trigger rate |
=== Plan: === | === Plan: === | ||
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# Change torus polarity, setting +1900 A. While torus current is changing, perform harp scans and FSD studies (see below) | # Change torus polarity, setting +1900 A. While torus current is changing, perform harp scans and FSD studies (see below) | ||
# (Sunday) Perform beam studies (call RC and beamline, <b> Turn off DC HV </b>): | # (Sunday) Perform beam studies (call RC and beamline, <b> Turn off DC HV </b>): | ||
− | # | + | #Do harp scans - 2C21, "tagger", and 2H01 |
− | # | + | #Run 2H01 at low speed (speed=0.1) to 13.3 position and save strip chart of motor position together with downstream halo counters |
− | #*Test FSD system, run Struck scaler with 300um dwel time, ask MCC to set FSD trip time integration times for FSD channels (1 old and 3 new) to 1 ms. Un-mask one FSD channel, run collimator with slmall steps to left or right untill it will intercept beam tails. It will raise | + | #*Test FSD system, run Struck scaler with 300um dwel time, ask MCC to set FSD trip time integration times for FSD channels (1 old and 3 new) to 1 ms. Un-mask one FSD channel, run collimator with slmall steps to left or right untill it will intercept beam tails. It will raise rates on halo counters. |
# Continue data taking at 1900 A, trigger Sector-2 only, high threshold in EC-in (5000 fADC counts) | # Continue data taking at 1900 A, trigger Sector-2 only, high threshold in EC-in (5000 fADC counts) | ||
# Switch to 6-sector trigger, take data till Monday morning. | # Switch to 6-sector trigger, take data till Monday morning. |
Revision as of 23:46, 4 February 2017
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- Note, all non-JLab numbers must be dialed with an area code. When calling from a counting-house landline, dial "9" first.
- To call JLab phones from outside the lab, all 4-digit numbers must be preceded by 757-269
- Click Here to edit Phone Numbers. Note, you then also have to edit the current page to force a refresh.
Click Here to edit Phone Numbers. Note, you then also have to edit this page to force a refresh.
CLAS12 KPP run, February 3 to March 3
Beam energy 6.4 GeV (3 pass)
Important: Document all your work in the logbook!
RC: Stepan Stepanyan
- (757) 575-7540
- 9 575 7540 from Counting Room
PDL: Eugene Pasyuk
- (757) 876-1789
- 9 876-1789 from Counting Room
Run Plan for February 4-5, 2017 :
Plan:
Important Notes:
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General Instructions:Locking up the hall
Establishing Acceptable Beam Conditions:
Setting up the FSD threshold
hpsrun@clonpc11> /home/hpsrun/scripts/FSD/Calc_FSD_Threshold.exe
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Every Shift:
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Every Run:
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Webcams |
Manuals |
Epics on the web
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