[G12] Meeting today: Tuesday, January 31, 2012

[William Phelps]

Hello Everyone,
This is a reminder that there is a g12 Meeting in room B101 today at 11:00 am EST. 
http://clasweb.jlab.org/rungroups/g12/wiki/index.php/Jan2012
-Will


Current Meeting:
Jan 31, 2012
     -(Johann) continuing with the pK+K- momentum balance study...
     -in the notes below, when I say "phi" I mean the angle in degrees, but I have the back half of sector 1 in the -30 to 0 range. The resulting momentum corrections will be a function of the particle's ID and this "shifted phi":
phi := (clas_phi + 30) % 360 - 30
     -again, the data is from the runs: 56[345]*
pK+K- exclusivity cuts. MM2 cut is (-0.006, 0.002) GeV.
tranverse momenta of p, K+, K- and their "balances"
pK+K- transverse momentum balance for each track and sector. The fit is a "gaussian profile" with a linear mean as a function of phi.
Tagger E paddle population for exclusive pK+K- events.
pK+K- longitudinal momentum balance for each track and sector. Same fit as with transverse momentum balance.
     -DPW: Toy Tagger







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