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User name orchen
Log entry time 00:42:27 on March 08, 2011
Entry number 350935
keyword=neutron detection efficiency after analyser changesI combined runs 2582 & 2585 and got 820 neutron (in 50 minuets). These runs had about 2250 (e,e'p) events. This gives a neutron detection efficiency of ~36%. It may be an over estimantion due to some double counting of tracks that are close in time. I will do a proper anaysis tomorow - removing all double counting etc. I wont be suprosed if we'll end up with ~25%. The atuched plot is the TOF peak.
A copy of this log entry has been emailed to: eip@tauphy.tau.ac.il , igor.korover@gmail.com , or.chen@mail.huji.ac.il , doug@jlab.org , vasulk@jlab.org , n.muangma@gmail.com , sgilad@mit.edu , jwatson@kent.edu , sbeck@bgu.ac.il
Figure 1
