new mult centrality classes

From: Stephen J. Sanders (ssanders@ukans.edu)
Date: Tue Apr 17 2001 - 23:53:44 EDT

  • Next message: Christian Holm Christensen: "Re: new mult centrality classes"

    Hi,  I have added the classes BrCent, BrCentModule, and
    BrCentCalibration to the mult
    directory of BRAT.  These classes are modeled after the corresponding
    BrTileCent classes
    that Christian wrote (and which have not been changed).  The new classes
    return the average of the Si and Tile
    multiplicities and the corresponding centralities.
    
    With the new classes, all of the functionality of BrRdoModuleMult can be
    found in
    "proper" brat classes.  Future changes in the multiplicity or centrality
    calculations will
    be done in the new classes.  A number of secondary calculations, such as
    correcting the
    multiplicity for excessive energy events, hasve not yet been checked for
    the new classes, however,
    and so, for the present, I would like to keep BrRdoModuleMult available.
    
    A note of caution:  I currently  have a 2cm vertex offset incorporated
    in the BB vertex location,
    as needed for run 2336.  Hiro informs me that this offset is not
    necessary for later runs where Yuri's calibrations work fine.
    The same vertex calculation (currently with offset) is found in four
    separate modules:
    BrTileRdoModule, BrSiRdoModule, BrTileCentModule, and BrCentModule.
    Question for the experts:  what is the best way to handle this run
    dependent offset without breaking the rules
    for brat modules?
    
    ...Steve
    



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