[Sane-analysis] Minutes if Feb 10 Analysis Meeting

[Narbe Kalantarians]

_*Anusha:*_ Talk for APS meeting next week, in Washington DC.
http://www.jlab.org/~anusha/APS-2010.pptx


_*James:*_ Integrated baseline signal for various ranges, both symmetric 
and asymmetric around the NMR peak. The difference was marginal ~0.5%. 
Decided to use baseline signal in cases where NMR peak is shifted and 
maybe integrate over range symmetric to peak. Will show some results soon.


_*Luwani*_ Beam position study. Redid plots from last weeks meeting.
https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Beam_Position_Studies


_*Whit:*_ Gave outline for his APS talk next week in Washington DC. Will 
send a draft to the mailing list once it's ready.


_*Jon:*_ Cerenkov timing. Made Cerenkov_TDCs overall the mirrors. Will 
do individually for each mirror to get parameterization. This will be 
useful in resolving the shifting TDC peaks for some of the mirrors.

Looked at parallel asymmetry vs. run with updated Analyzer.
    
https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Analysis_Page#Timing_For_Early_Runs
https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Analysis_Page#Some_Asymmetries


*_Hovhannes:_* Looked at SR distribution for range of parallel runs 
(72912-72924) with curious asymmetries. Noticed that edge of target 
getting hit by beam, which seemed to be off in position. Applied cut to 
SR with varying sizes (radius of 0.5 and 0.75cm). This doesn't seem to 
make any significant difference.

Hovhannes and Jon are having inconsistent results for their parallel 
asymmetries. Oscar suggested they make tables containing numbers 
including asymmetry, target polarization, ...  


_*Narbe:*_ Working on getting the SANE GEANT(3) to work on Octavian. Has 
had success in getting it to compile and use Peter Bosted's model 
(F1F2IN09). Having some problems with the reconstruction part. The main 
issue seems to be the fact that when this entire package (MC and 
reconstruction) was written in a different Linux environment and there 
are some subtleties that need to be resolved. Will give an update on his 
progress next week.


_*Hoyoung:*_ Started working on getting packing fractions from HMS 
parallel data. Will first try to reproduce Narbe's preliminary results.

Will redo HMS parallel asymmetries with updated Analyzer, containing 
updated param file for HMS.

Mark, Oscar, and Narbe meet with Hoyung and Seonho biweekly by phone. 
The time for the regular meetings here is very early morning over in Korea.


If there is anything incorrect and/or missing please feel free to respond.

 
Next meeting will be Feb 17 2010 at 3:30pm

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