| 1 |
/* |
| 2 |
* CaloGeomCut.cpp |
| 3 |
* |
| 4 |
* Created on: 19-mar-2009 |
| 5 |
* Author: Sergio Ricciarini, Nicola Mori |
| 6 |
*/ |
| 7 |
|
| 8 |
/*! @file CaloGeomCut.cpp The CaloCrossCut class implementation file */ |
| 9 |
|
| 10 |
#include "CaloGeomCut.h" |
| 11 |
|
| 12 |
int CaloGeomCut::Check(PamLevel2 *event) { |
| 13 |
|
| 14 |
Float_t xCaloTrack = 0.; |
| 15 |
Float_t yCaloTrack = 0.; |
| 16 |
|
| 17 |
Double_t tanx, tany, beta; |
| 18 |
Float_t alCaloTop[5]; // MUST be Float_t |
| 19 |
Int_t nPoint = TrkParams::nGF+1; // MUST be Int_t |
| 20 |
Float_t zIn[nPoint]; // MUST be Float_t |
| 21 |
|
| 22 |
Trajectory* traj = NULL; |
| 23 |
|
| 24 |
static const Float_t zCaloTop=-26.181; // cm MUST Float_t |
| 25 |
|
| 26 |
tanx=_xCaloAxis->par[1]; |
| 27 |
tany=_yCaloAxis->par[1]; |
| 28 |
|
| 29 |
if (_iMethod==0) { |
| 30 |
} |
| 31 |
else if (_iMethod==1) { // curved track in the Pamela acceptance (back-propagated starting from the straight track in the calorimeter, evaluated at the top of calorimeter, which is of course better than at higher z coordinates) |
| 32 |
for (Int_t igf = 0; igf < TrkParams::nGF; igf++) { |
| 33 |
zIn[igf]=TrkParams::zGF[igf]; |
| 34 |
} |
| 35 |
zIn[TrkParams::nGF]=zCaloTop; |
| 36 |
|
| 37 |
traj = (Trajectory*) new Trajectory(nPoint,zIn); |
| 38 |
|
| 39 |
alCaloTop[0]=_xCaloAxis->GetYfit(zCaloTop); // Yfit [xCaloTop] |
| 40 |
alCaloTop[1]=_yCaloAxis->GetYfit(zCaloTop); // Yfit [yCaloTop] |
| 41 |
alCaloTop[2]=sin(atan(sqrt(pow(tanx,2)+pow(tany,2)))); // [sintheta] |
| 42 |
alCaloTop[3]=TMath::Pi()+atan2(tany,tanx); // [phi] |
| 43 |
|
| 44 |
beta = event->GetToFLevel2()->CalcBeta(0,_resMax,_qualCut,_chi2Cut); // TOF stand-alone beta |
| 45 |
alCaloTop[4] = 1./(_mass*beta/sqrt(1.-pow(beta,2))); // [etaP] [rho = (m/Z)*(beta/(sqrt(1-beta^2)))] |
| 46 |
|
| 47 |
traj->DoTrack(alCaloTop,zCaloTop); |
| 48 |
|
| 49 |
} |
| 50 |
else { |
| 51 |
return 1; |
| 52 |
} |
| 53 |
|
| 54 |
for (Int_t igf = 0; igf < TrkParams::nGF; igf++) { |
| 55 |
|
| 56 |
if (_iMethod==0) { // straight track |
| 57 |
// NOTE: par[0] is the x (y) coordinate on plane z=0 in PAMELA reference (magnet centre) |
| 58 |
xCaloTrack = _xCaloAxis->par[0] + tanx * TrkParams::zGF[igf]; // cm |
| 59 |
yCaloTrack = _yCaloAxis->par[0] + tany * TrkParams::zGF[igf]; // cm |
| 60 |
} |
| 61 |
else if (_iMethod==1) { |
| 62 |
xCaloTrack = traj->x[igf]; |
| 63 |
yCaloTrack = traj->y[igf]; |
| 64 |
} |
| 65 |
|
| 66 |
if (! (TrkParams::xGF_min[igf] + _xTolCaloTrack < xCaloTrack && xCaloTrack < TrkParams::xGF_max[igf] |
| 67 |
- _xTolCaloTrack) ) { |
| 68 |
return 0; |
| 69 |
} |
| 70 |
|
| 71 |
if (! (TrkParams::yGF_min[igf] + _yTolCaloTrack < yCaloTrack && yCaloTrack < TrkParams::yGF_max[igf] |
| 72 |
- _yTolCaloTrack) ) { |
| 73 |
return 0; |
| 74 |
} |
| 75 |
|
| 76 |
} |
| 77 |
|
| 78 |
return CUTOK; |
| 79 |
|
| 80 |
} |
Parent Directory
| 
Revision Log