[G12] Meeting today: Wednesday, May 4, 2011

[William Phelps]

Hello Everyone,
This is a reminder that there is a g12 Meeting in room F224/F225 today at 12:00 pm EST. 
http://clasweb.jlab.org/rungroups/g12/wiki/index.php/May2011
-Will


Current Meeting:
May 4, 2011
     -Johann: I have a program that extracts noise for ST, DC and TOF. The four banks: STN0, STN1, DC0, and SC were copied from data in sectors that did not have any hit-based tracks (HBTR) or final particles (PART).
     -working on a program to incorporate these into the MC data, however, there is a snag:
     -looking at raw TDC and ADC values for ST, DC and TOF below, they are clearly different for MC and data. This means that an offset needs to be applied to the values I get from data when I try to incorporate noise into the simulated data.
     -Two ways to get this offset: 1. decipher caldb database, 2. fit peaks below and measure distances.
     -method 2 is easiest, and ST offsets are clear, but DC and TOF are not so easily understood (please discuss during this meeting).
     -color key:
          -blue: (raw) data
          -brown: monte carlo (after gpp)



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