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Hi Kerstin, my bet is that the differences are due to small fixes to the semiexcl algorithm that were done in time. The differences should concentrate at low purities. can you please compare the purB0 and intpurB0 (and ChB correspondingly) distributions to see where the differences are ? they do no more look worrisome to me ciao ric ______________________________________________________ Riccardo Faccini Universita' "La Sapienza" & I.N.F.N. Roma tel +39/06/49914798 Fax.: +39/06/4957697 http://www.slac.stanford.edu/~rfaccini Univ. La Sapienza. 2,Ple Aldo Moro, I-00185 Roma Dipartimento di Fisica "I don't understand what you say, but I believe I disagree" W.D. On Mon, 10 Nov 2003, Kerstin Tackmann wrote: > > Hello, > > after correcting the pidtables link we are still seing small differences > for the 2000 file: 925 overall entries instead of 926, 644 entries in > modeB0 instead of 632 and 615 entries in modeChB instead of 618. > > What might these differences be due to? Could these result from different > random number seeds for the pid killing? > > Do I have to adjust the tables link for the tracking efficiency as well? > > Thanks, > Kerstin > >