From: Djamel Ouerdane (ouerdane@nbi.dk)
Date: Wed Nov 20 2002 - 05:25:42 EST
On Wed, 20 Nov 2002, Yin Zhongbao wrote: > Dear brahms-dev, > > I think it could be done in preloop to evaluate 1/beta-1/beta(calculated) > and R-R(calculated). What's that ? > And it would be nice since it gives momentum > dependent values. But for high momentum case or some other setting, I am > not sure if we have enough statistics, may one fit it with a function when > there are enough statistics and give a general function good to > extrapolate to low statistic case. > > My concern goes to the method CalculateMomentum. There may have an > assumption that the track has passed through all of detectors in FS and > momenta pd2, pd3 and pd4 are reconstructed. Otherwise, for example, if pd4 > = 0 it may give a wrong value. Is it not possible to happen? don't worry about that, there's a boolean flag as far as I remember which should prevent from falling into these situations. Djam > > Thanks for discussion. > > Best regards, > Zhongbao >
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