/[PAMELA software]/tracker/flight/TrkNuclei/src/TrkNuclei.cpp
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revision 1.1.1.1 by pam-fi, Tue Jan 20 10:29:57 2009 UTC revision 1.2 by pamelats, Thu Mar 5 08:52:29 2009 UTC
# Line 63  Double_t charge_tracker_rigidity_wolfgan Line 63  Double_t charge_tracker_rigidity_wolfgan
63            
64      Float_t charge  = 1000.;      Float_t charge  = 1000.;
65      Float_t def     = 1./((Float_t)x[0]);      Float_t def     = 1./((Float_t)x[0]);
66    // WM 05-03-2009 calibration valid only for def>0
67                def = fabs(def);
68      Float_t dedxtrk = (Float_t) x[1]; dedxtrk = dedxtrk/1.3;      Float_t dedxtrk = (Float_t) x[1]; dedxtrk = dedxtrk/1.3;
69            
70       Float_t ym = dedxtrk;       Float_t ym = dedxtrk;
# Line 72  Double_t charge_tracker_rigidity_wolfgan Line 74  Double_t charge_tracker_rigidity_wolfgan
74           yl = B0[jj] + B1[jj]*xb + B2[jj]*xb*xb + B3[jj]*xb*xb*xb + B4[jj]*xb*xb*xb*xb;           yl = B0[jj] + B1[jj]*xb + B2[jj]*xb*xb + B3[jj]*xb*xb*xb + B4[jj]*xb*xb*xb*xb;
75           yh = B0[jj+1] + B1[jj+1]*xb + B2[jj+1]*xb*xb + B3[jj+1]*xb*xb*xb + B4[jj+1]*xb*xb*xb*xb;           yh = B0[jj+1] + B1[jj+1]*xb + B2[jj+1]*xb*xb + B3[jj+1]*xb*xb*xb + B4[jj+1]*xb*xb*xb*xb;
76                    
77           if ((yl<ym)&&(ym<yh)){  //       if ((yl<ym)&&(ym<yh)){
78    //WM 05-03-2009  dEdx=0 => charge=0
79             if ((yl<=ym)&&(ym<yh)){
80               m = (C0[jj+1]*C0[jj+1] - C0[jj]*C0[jj]) / (yh - yl);               m = (C0[jj+1]*C0[jj+1] - C0[jj]*C0[jj]) / (yh - yl);
81               b = (C0[jj]*C0[jj]) - m*yl;               b = (C0[jj]*C0[jj]) - m*yl;
82               chelp = m*ym + b;               chelp = m*ym + b;
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