Minutes of Brahms Analysis Meeting 30 April 2010 ================================================ Present: Michael, Kris, Pawel, JH, Ramiro, Steve, Flemming, Chellis Agenda: http://indico.cern.ch/conferenceDisplay.py?confId=90051 dAu Figures: Ramiro =================== He is worried about contamination of the kaons at y=0, 1. (There is a hump about pt=1.5) He also worried about the 8 degree data for kaons and protons. He has made RdAu using Kris's pp data. He does the contamination correction by adding all the settings at 90^o and fitting by 3 Gaussian's in 1/beta - 1/beta_expected to get correction factors. He has constructed RdAu and Rcp ratios and has pushed to as high Pt as possible. For Rcp he has average pi+ and pi- 0-30% and used a fit to the peripheral data, 60-80%. Finally he compares our spectra to Star and PHENIX pi-0. The agreement looks very nice. He is preparing for a talk in 10 days and will concentrate on PID for kaons and will carefully check the ratios near the highest Pt. He may also make the RdA using the sum of pi+ and pi-. dp - New B2's: Casper ===================== Casper has redone the B2 ratios with new binning and only taking deutersona with Pt > 1.5 at both y=0 and y=1. Todo: >> Create the deuteron PID correction by linearly interpolating Flemming's factors. At y=1 the contamination of the dbars is very strong so we shall ignore these. There was a sense not to give dN/dy since we don't have low enough Pt coverage. Todo >>> Casper will make new histogrammes that can be put into the same plotting package. ========== Submitted by Michael Murray ===================== _______________________________________________ Brahms-l mailing list Brahms-l_at_lists.bnl.gov https://lists.bnl.gov/mailman/listinfo/brahms-lReceived on Fri Apr 30 2010 - 21:56:21 EDT
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