Re: BB Calibration.

From: hagel@comp.tamu.edu
Date: Fri Mar 30 2001 - 10:22:39 EST

  • Next message: Stephen J. Sanders: "Re: trying to get tpm1 vertex"

    Yury,
     I note that your calibrations are in the ASCII file in the params
    directory.  As I remember you were the one that pioneered the use a "real"
    user using the calibration DB database.  Are you putting them in the
    official BRAHMS DB on rcas0005?  I think it is important for those things
    to be implemented and used regularly so that things can be centralized and
    automated.  Christian has done a very nice job in making the framework for
    this to happen and I think we should use it.  We are working here on doing
    the same thing for ZDC and Djamel has done what I understand to be a nice
    job of implementing it for Tof.
    
    Kris
    
    Yury Blyakhman wrote:
    
    >         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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