BB Calibration.

From: Yury Blyakhman (Yury_B@physics.nyu.edu)
Date: Thu Mar 29 2001 - 18:40:42 EST

  • Next message: Bjorn H Samset: "Re: trying to get tpm1 vertex"

    	Hello everybody.
     New BB calibration was made utilizing new/better slewing corrections
    for all of the tubes. Small tubes are now used as a primary vertex
    source. Resolution with respect to the vertex from the TPM1 is down to
    1.4cm (was 2.0cm before).
     Old calibration is saved in the new file:
    "$BRATHOME/params/bb/BrCalibrBB_Jan22_2001.dat" indicating, that it was
    in use from Jan.22.
     New calibration file is saved in the new file:
    "$BRATHOME/params/bb/BrCalibrBB_March29_2001.dat" and in a default
    version of "BrCalibrBB.dat" as usual.
     In order to make both calibration files available to use, calibration
    code and calibr. file structures were changed, thus, BrRdoModule.* and
    BrNtupleBB.* were modified and committed as well. In order to use the
    old calibration file, just rename
    "$BRATHOME/params/bb/BrCalibrBB_Jan22_2001.dat" as
    "$BRATHOME/params/bb/BrCalibrBB.dat" or as "BrCalibrBB.dat" in your
    running directory.
    
    	Try, enjoy, report problems. Thanks,
    
    -- 
    	Yury Blyakhman.
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