[PEPPo] Plan for Sunday and Monday Owl

[Arne Freyberger]

The plan below was discussed at today's 3:30pm meeting.   We are on 
track for finishing production running at 8am Sunday Morning.  At which 
time we switch to the systematic studies effort.


    1 PEPPo End Game Positron


      1.1 2012-06-24 Sun Day-Swing tasks SELECT


What 	Duration 	Who 	Why

	(h) 	
	
BPM Pedestal Current 120nA 	0.25 	Riad 	*Do these runs Saturday Swing*
BPM Pedestal Current 200nA 	0.25 	
	
BPM Pedestal Current 320nA 	0.25 	
	
BPM Pedestal Current 380nA 	0.25 	
	
BPM Pedestal Current 420nA 	0.25 	
	
BPM Pedestal Current 690nA 	0.25 	
	

	Total 	1.5 	
See this peppo entry for more details 
<http://opweb.acc.jlab.org/CSUEApps/elog/entry/1793735> 	
	
	
Change spectrometer to 6.2MeV/c, 1mm W 	0.17 	
	Measure TS1 rate
Access to Inj (rewrite to reflect grames plan) 	1 	Grames 	Retract 
Polarimeter, install E1 counter
Reconfigure Trigger 	1 	Erica/Grames 	TS1.E1 coincidence, real time, 
30Hz, sample mode
E profile at 6.2MeV/c, TS1 30mV 	0.5 	
	
E profile at 6.2MeV/c, TS1 @ 10mV 	0.17 	
	
E profile at 6.2MeV/c, E1 only trigger 	0.17 	
	
Change spectrometer to 5.2MeV/c 	0.1 	
	
E profile at 5.2MeV/c, TS1 30mV 	0.17 	
	
E profile at 5.2MeV/c, TS1 @ 10mV 	0.17 	
	
E profile at 5.2MeV/c, E1 only trigger 	0.17 	
	
Change spectrometer to 4.2MeV/c 	0.1 	
	
E profile at 4.2MeV/c, TS1 30mV 	0.17 	
	
E profile at 4.2MeV/c, TS1 @ 10mV 	0.17 	
	
E profile at 4.2MeV/c, E1 only trigger 	0.17 	
	
Change spectrometer to 3.2MeV/c 	0.1 	
	
E profile at 3.2MeV/c, TS1 30mV 	0.17 	
	
E profile at 3.2MeV/c, TS1 @ 10mV 	0.17 	
	
E profile at 3.2MeV/c, E1 only trigger 	0.17 	
	
Change to 0.1mm target 	0.01 	
	
E profile at 3.2MeV/c, TS1 30mV 	0.17 	
	
E profile at 3.2MeV/c, TS1 @ 10mV 	0.17 	
	
E profile at 3.2MeV/c, E1 only trigger 	0.17 	
	

	Total 	5.36 	
Change spectrometer to 6.2MeV/c, 1mm W 	0.1 	
	Measure TS1 rate
Configure *BFM* 31MHz 	0.5 	
	
E profile at 6.2MeV/c, TS1 30mV 	0.17 	
	
Change spectrometer to 5.2MeV/c 	0.1 	
	
E profile at 5.2MeV/c, TS1 30mV 	0.17 	
	
Change spectrometer to 4.2MeV/c 	0.1 	
	
E profile at 4.2MeV/c, TS1 30mV 	0.17 	
	
Change spectrometer to 3.2MeV/c 	0.1 	
	
E profile at 3.2MeV/c, TS1 30mV 	0.17 	
	
Change to 0.1mm target 	0.01 	
	
E profile at 3.2MeV/c, TS1 30mV 	0.17 	
	

	
	1.5 	
Switch to electron mode, measure profile 	
	
	
at two or three energies 	2 	
	

	Total 	2 	
Access to Inj 	1 	Joe/Arne 	Remove E counter, install NaI and W
NaI coincidence Tests 	3 	
	

	Total 	4 	this is a like
Access to Inj 	2 	Gueye/Lekke 	Remove NaI and install Fiber Array
Recommission Fiber Array 	2 	
	
FA response with viewer inserted vs retracted 	1 	
	Is the FA swamped by background

	
	
	Do we see a beam profile?? If no, punt?
Change spectrometer to 6.2MeV/c 	0.17 	
	T2 Target ID is 4.6cm, so about 9 fibers
e+ profile vs S2 at 6.2 MeV/c(? of 20A) 	0.5 	
	will define the positrons incident on T2
Change spectrometer to 5.2MeV/c 	0.17 	
	
e+ profile vs S2 at 5.2 MeV/c(? of 20A) 	0.5 	
	
Change spectrometer to 4.2MeV/c 	0.17 	
	
e+ profile vs S2 at 4.2 MeV/c(? of 20A) 	0.5 	
	
Change spectrometer to 3.2MeV/c 	0.17 	
	
e+ profile vs S2 at 3.2 MeV/c(? of 20A) 	0.5 	
	
Change spectrometer to 3.2MeV/c w/ 0.1mm W 	0.17 	
	
e+ profile vs S2 at 3.2 MeV/c(? of 20A) 	0.5 	
	

	Total 	7 	

	Grand Total 	20 	4h more than 16.....

Date: 2012-06-23 17:13:22 EDT

Author: Arne Freyberger

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-- 
Arne Freyberger
Director of Accelerator Operations
Jefferson Lab           Office: (757) 269-6268
12000 Jefferson Avenue  Cell:   (757) 876-6289
Newport News, VA 23606  Email:  freyberg at jlab.org

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