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CbmTrackPar bug? [message #4691]

Wed, 18 July 2007 17:36

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: *physik.uni-giessen.de

Hello,
i found something strange in the trackbase/CbmtrackPar.cxx.

Here you are the main constructor:

// ----- Constructor with parameters -----------------------------------
CbmTrackPar::CbmTrackPar(Double_t x, Double_t y, Double_t z,
Double_t px, Double_t py, Double_t pz, Double_t q)
{
fX = 0;
fY = 0;
fZ = 0;
fPx = 0;
fPy = 0;
fPz = 0;
fq= q;
Double_t p=TMath::Sqrt(fPx*fPx +fPy*fPy +fPz*fPz );
if (p!=0)fQp = q/p;
else fQp=0;
}

Should it be:

fX = x;
fY = y;
fZ = z;
fPx = px;
fPy = py;
fPz = pz;

or am I missing something?

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[Message index]

		CbmTrackPar bug? By: StefanoSpataro on Wed, 18 July 2007 17:36
		Re: CbmTrackPar bug? By: Andrea Fontana on Wed, 18 July 2007 17:53
		Re: CbmTrackPar bug? By: StefanoSpataro on Wed, 18 July 2007 17:58
		Re: CbmTrackPar bug? By: Ralf Kliemt on Wed, 18 July 2007 18:01
		Re: CbmTrackPar bug? By: Andrea Fontana on Wed, 18 July 2007 18:06
		Re: CbmTrackPar bug? By: Andrea Fontana on Wed, 18 July 2007 18:08

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