[g13] theta-phi distributions

[Paul Mattione]

Is this g13b data?  What run numbers?  What is your event topology?   
Is this within a specific reaction, or are you requiring some minimum  
number of detected tracks?  Does this show up at all in any other  
sectors?

  - Paul

On Aug 13, 2010, at 3:08 PM, slava at jlab.org wrote:

Dear all,

When plotting theta-phi distributions for individual particles (p/pi-/ 
pi+)
identified via timing cut, I consistently get a strong shift of events
towards negative local phi in sector 4 (it's visible in sector 3 as  
well,
but not as pronounced) for all 3 of them. I am attaching theta-phi
distribution along with phi projections (split in theta) for those  
curious
(it is sector 4, do not be alarmed by the file name). Does anybody  
have an
idea on what is going on?

Best regards,
Slava<sec3_v1_0811.png>_______________________________________________
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