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Fixed bug in target thickness calc, where angle through target was incorrectly used for energy loss

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Gordon McCann 2021-02-13 17:35:29 -05:00
parent f511eec983
commit dc7f3923ed
1 changed files with 8 additions and 4 deletions
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12
src/Target.cpp
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@ -40,25 +40,29 @@ bool Target::ContainsElement(int z, int a) {
/*Calculates energy loss for travelling all the way through the target*/
double Target::getEnergyLossTotal(int zp, int ap, double startEnergy, double theta) {
if(theta == PI/2.) return startEnergy;
else return eloss.GetEnergyLoss(zp, ap, startEnergy, thickness/fabs(cos(theta)));
else if (theta > PI/2.) theta = PI - theta;
return eloss.GetEnergyLoss(zp, ap, startEnergy, thickness/fabs(cos(theta)));
}
/*Calculates energy loss for travelling halfway through the target*/
double Target::getEnergyLossHalf(int zp, int ap, double startEnergy, double theta) {
if(theta == PI/2.) return startEnergy;
else return eloss.GetEnergyLoss(zp, ap, startEnergy, thickness/(2.0*fabs(cos(theta))));
else if (theta > PI/2.) theta = PI - theta;
return eloss.GetEnergyLoss(zp, ap, startEnergy, thickness/(2.0*fabs(cos(theta))));
}
/*Calculates reverse energy loss for travelling all the way through the target*/
double Target::getReverseEnergyLossTotal(int zp, int ap, double finalEnergy, double theta) {
if(theta == PI/2.) return finalEnergy;
else return eloss.GetReverseEnergyLoss(zp, ap, finalEnergy, thickness/fabs(cos(theta)));
else if (theta > PI/2.) theta = PI - theta;
return eloss.GetReverseEnergyLoss(zp, ap, finalEnergy, thickness/fabs(cos(theta)));
}
/*Calculates reverse energy loss for travelling half way through the target*/
double Target::getReverseEnergyLossHalf(int zp, int ap, double finalEnergy, double theta) {
if(theta == PI/2.) return finalEnergy;
else return eloss.GetReverseEnergyLoss(zp, ap, finalEnergy, thickness/(2.0*fabs(cos(theta))));
else if (theta > PI/2.) theta = PI - theta;
return eloss.GetReverseEnergyLoss(zp, ap, finalEnergy, thickness/(2.0*fabs(cos(theta))));
}
/*Getter functions*/