Re: [Brahms-dev-l] dAu centrality

From: Stephen J. Sanders <ssanders@ku.edu>
Date: Tue Feb 10 2004 - 10:31:43 EST
Hi Bjorn, Several of the setters should be changed or removed, as
indicated below.  I also strongly recommend comparing the results
of one or two runs with what I have.  The histogram files from my
analysis are at
/brahms/data11/scratch/sanders/hists

The best check is probably to look at the multcent histogram
in the multcent directory.  Pay particular attention to any spike
at cent = 0.

Leaving the min/max vertex at -80/80 is OK, but I would not
believe any centrality outside of +/- 30cm for runs where the
SiMA is used.
Regards,
Steve


>
> I'm currently running the following (compilation...):
>
>   // Get the Si/Tile calibrations
>   BrTileTmpCalibration* tileCalib = BrTileTmpCalibration::Instance();
>   BrSiTmpCalibration* siCalib = BrSiTmpCalibration::Instance();
>   BrMultCentTmpCalibration * centCalib =
>       BrMultCentTmpCalibration::Instance();
>
>   //---- Module: Si readout module ----
>   //-------- Calibrations currently not in database --------
>   BrSiRdoModule *siRdoModule = new BrSiRdoModule("MultSi", "SiRdo");
>   siRdoModule->SetOutlierMethod(BrSiRdoModule::kNoCorrection);
 >>>Change to 3.75
>   siRdoModule->SetThresholdFactor(3.0);
>   siRdoModule->SetMinVtx(-80.);
>   siRdoModule->SetMaxVtx(80.);
>   swModule->AddModule(siRdoModule);
>
>   // ---- Module: Tile readout module ----
>   // -------- Calibrations currently not in database --------
>   BrTileRdoModule *tileRdoModule = new BrTileRdoModule("MultTile",
> 	"TileRdo");
>   tileRdoModule->SetOutlierMethod(BrTileRdoModule::kNoCorrection);
>
 >>>>Change to 4.5
>  tileRdoModule->SetThresholdFactor(3.0);
>   tileRdoModule->SetMinVtx(-80.);
>   tileRdoModule->SetMaxVtx(80.);
>   swModule->AddModule(tileRdoModule);
>
>   BrMultCentModule * centModule = new
> 	BrMultCentModule("multcent","multcent");
>
 >>>>Remove next two statements. Set in code.
>   centModule->SetSiWeight(1.38);
>   centModule->SetMaxMult(300);
>   swModule->AddModule(centModule);
>
>
> --
> Bjorn H. Samset                           Phone: 22856465/92051998
> PhD student, heavy ion physics            Adr:   Schouterrassen 6
> Inst. of Physics, University of Oslo             0573 Oslo
>                               \|/
> ----------------------------> -*- <-----------------------------
>                               /|\
>
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Received on Tue Feb 10 10:32:38 2004

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