On Thu, 12 Sep 2002, Ian Bearden wrote: > Hi Deviants, > We'd like to take a look a couple of things in the p+p data, in particular > we'd like to check the pbar/p ratio to see whether the ultra preliminary > BRAHMS result of 0.8 is correct or if the PHENIX 0.6 value is reasonable. > We are looking at the DSTs made by Kris (thanks!) I have a couple of > questions: > 1. Do I recall correctly that only H2 has been calibrated? > 2. How does one get a 'reasonable' collision vertex...or is it not possible. Why not using the cluster vertex (Bjørn) or track vertex (JH) ? Djam -- Djamel Ouerdane ------------------------------------------o | Niels Bohr Institute | Home: | | Blegdamsvej 17, DK-2100 Ø | Jagtvej 141 2D, | | Fax: +45 35 32 50 16 | DK-2200 Copenhagen N | | Tel: +45 35 32 52 69 | +45 35 86 19 74 | | http://www.nbi.dk/~ouerdane | | ouerdane@nbi.dk | o---------------------------------------------------------o
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