On Wed, 19 Nov 2003, Pawel Staszel wrote: > Hi All, > A found that there is no Td1 calibration for pp runs, however, it seems > that there is a large tdc offset shift, so the calibrated time given by > TD1 differs by about 10ns for runs like 8360 and 8931. > It causes problems in DC calibration, because I use td1 reference for > DCs timing. > Also Y distribution (at least in 8360 and 8391) in the 1-st slat of TD1 > looks very weird. > Could anyone look at this and update the calib. database. Hi Pawel. I just started looking into this yesterday and see the same effects that you describe. The y distributions worry me a bit - the problem is also there in x, and seems related to the back-projection of FFS tracks rather than to TD1 itself. Or maybe I'm just confused... Anyway, I'm looking into this and will hopefully have some calibrations pretty soon. -- Bjorn H. Samset Phone: 22856465/92051998 PhD student, heavy ion physics Adr: Schouterrassen 6 Inst. of Physics, University of Oslo 0573 Oslo \|/ ----------------------------> -*- <----------------------------- /|\ _______________________________________________ Brahms-dev-l mailing list Brahms-dev-l@lists.bnl.gov http://lists.bnl.gov/mailman/listinfo/brahms-dev-lReceived on Thu Nov 20 03:18:07 2003
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