From: Ramiro Debbe (debbe@bnl.gov)
Date: Wed Mar 12 2003 - 17:26:14 EST
Begin forwarded message: > From: Ramiro Debbe <debbe@sgs1.hirg.bnl.gov> > Date: Wed Mar 12, 2003 5:16:55 PM US/Eastern > To: brahms-l@bnl.gov > Subject: Re: a simple simulation study for the effect of pion decay on > RICH ring > > I would emphasize Peter suggestion that muon ring centers may be off > (if the decay happened after T5). As I remember the RICH algorithm > uses the track to set the ring center and then it calculates an > average ring radius, I would suggest to use that step as pattern > recognition and then fit the selected pixels with radius and center as > variables. If the two centers are different we may be able to set a > cut to eliminate the decays or to extract a correction from the data. > > Ramiro > On Wednesday, March 12, 2003, at 04:59 PM, Djamel Ouerdane wrote: > >> Hi Zhongbao, >> >> I agree with Peter except that you should get inspired by Claus' >> complete >> rewriting of the C1 digitization (I think he finished the stuff for >> C1, >> for the RICH, it should not be that different, you can pick up some >> geometry stuff from the pid module). It would be great to have a full >> digitization of the RICH to study its response with simulated tracks. >> >> 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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