Hi Djamel, Nice figures. A question, however: If I download the latest brag and use it with the run 5326 calibration, does your last figure indicate that I will have to apply an additional offset of 18.07 cm to get the correct BB vertex? ...steve Djamel Ouerdane wrote: > Dear Brahms'ers, > > Flemming suggested I should check the correlation BB vertex vs TPM1 tracks > rather than using the TPM1 track vertex. > > In order to test also the new version of the tracking modules, I rather > did the correlation with MRS tracks (less background). The result can be > seen here: > > http://www.nbi.dk/~ouerdane/cal/BB.html#VTX2 > > There were no particular selections on the vertex range, the triggers were > 1 and 4 (but biased by the presence of MRS tracks) and the BB vertex was > the one given by the small tubes only. It was not corrected for the > offset. The BB calibration used is in the rcas0005 database > (run 5326). > > Enjoy! :) > > Ciao > Djam > >
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