Dear Djamel, the plots look very nice. In principle since you have pi,k,p and d peaks you are sensitive to weather you have a momentum offset or a momentum gain problem. Of course Ian's test with the reverse field is the first one to do. He is right that with these data you can in principle get a first pbar/p. Michael Quoting Djamel Ouerdane <ouerdane@nbi.dk>: > Hi all, > > I incorporated a method to clean background (track vertices) in the TODW > > pid and the result can be seen here (for positive particles): > > http://www.nbi.dk/~ouerdane/cal/Tofw.html > > in the sublinks positive pid and mass2. > > Djam > > > -- > Djamel Ouerdane ------------------------------------------o > | Niels Bohr Intstitute | 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 > Michael Murray, Cyclotron TAMU, 979 845 1411 x 273, Fax 1899
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