Maybe I forgot to say that I was looking at p+p data... I think that there are so few tracks that neither of these is of great use. Please correct me if I am wrong. Ian -------------------------------------------------------------------- | I.G. Bearden | | Niels Bohr Institute Tb 3 email: bearden@nbi.dk | | Blegdamsvej 17 phone: (+45) 35 32 53 23 | | København Ø FAX: (+45) 31 42 10 16 | | Danmark Www: http://www.nbi.dk/~bearden | -------------------------------------------------------------------- -----Original Message----- From: owner-brahms-dev-l@bnl.gov [mailto:owner-brahms-dev-l@bnl.gov]On Behalf Of Djamel Ouerdane Sent: 12. september 2002 12:23 To: Brahms-Dev-L@Bnl. Gov Subject: Re: p+p data 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
This archive was generated by hypermail 2b30 : Thu Sep 12 2002 - 06:49:53 EDT