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This commit is contained in:
Gabriele Cosmo
2016-06-09 16:46:55 +02:00
parent 89a9605df1
commit b1eb5424d2
10957 changed files with 888481 additions and 160139 deletions
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source/processes/hadronic/models/coherent_elastic/src/G4LEnp.cc
+17 -40
View File
@@ -29,6 +29,7 @@
// 11-OCT-2007 F.W. Jones: removed erroneous code for identity
// exchange of particles.
// FWJ 27-AUG-2010: extended to 5 GeV by Tony Kwan TRIUMF
#include "G4LEnp.hh"
#include "Randomize.hh"
@@ -46,7 +47,7 @@ G4LEnp::G4LEnp():G4HadronicInteraction("G4LEnp")
// SetMinEnergy(10.*MeV);
// SetMaxEnergy(1200.*MeV);
SetMinEnergy(0.);
SetMaxEnergy(1200.*GeV);
SetMaxEnergy(5.*GeV);
}
G4LEnp::~G4LEnp()
@@ -71,8 +72,8 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
G4double E = aParticle->GetTotalEnergy();
G4double E0 = aParticle->GetDefinition()->GetPDGMass();
G4double Q = aParticle->GetDefinition()->GetPDGCharge();
G4double N = targetNucleus.GetN();
G4double Z = targetNucleus.GetZ();
G4int A = targetNucleus.GetA_asInt();
G4int Z = targetNucleus.GetZ_asInt();
G4cout << "G4LEnp:ApplyYourself: incident particle: "
<< aParticle->GetDefinition()->GetParticleName() << G4endl;
G4cout << "P = " << P/GeV << " GeV/c"
@@ -84,7 +85,7 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
<< ", mass = " << E0/GeV << " GeV"
<< ", charge = " << Q << G4endl;
G4cout << "G4LEnp:ApplyYourself: material:" << G4endl;
G4cout << "A = " << N
G4cout << "A = " << A
<< ", Z = " << Z
<< ", atomic mass "
<< G4Proton::Proton()->GetPDGMass()/GeV << "GeV"
@@ -92,7 +93,7 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
//
// GHEISHA ADD operation to get total energy, mass, charge
//
E += G4Proton::Proton()->GetPDGMass();
E += proton_mass_c2;
G4double E02 = E*E - P*P;
E0 = std::sqrt(std::abs(E02));
if (E02 < 0)E0 *= -1;
@@ -115,8 +116,6 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
else
je1 = midBin;
} while (je2 - je1 > 1);
// G4int j;
//std::abs(ek-elab[je1]) < std::abs(ek-elab[je2]) ? j = je1 : j = je2;
G4double delab = elab[je2] - elab[je1];
// Sample the angle
@@ -130,10 +129,11 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
G4double sigint1 = rc*ek + b;
G4double sigint2 = 0.;
if (verboseLevel > 1) G4cout << "sample=" << sample << G4endl
<< ke1 << " " << ke2 << " "
<< sigint1 << " " << sigint2 << G4endl;
if (verboseLevel > 1) {
G4cout << "sample=" << sample << G4endl
<< ke1 << " " << ke2 << " "
<< sigint1 << " " << sigint2 << G4endl;
}
do {
G4int midBin = (ke1 + ke2)/2;
dsig = sig[je2][midBin] - sig[je1][midBin];
@@ -148,38 +148,23 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
ke1 = midBin;
sigint1 = sigint;
}
if (verboseLevel > 1)G4cout << ke1 << " " << ke2 << " "
<< sigint1 << " " << sigint2 << G4endl;
if (verboseLevel > 1) {
G4cout << ke1 << " " << ke2 << " "
<< sigint1 << " " << sigint2 << G4endl;
}
} while (ke2 - ke1 > 1);
// sigint1 and sigint2 should be recoverable from above loop
// G4double dsig = sig[je2][ke1] - sig[je1][ke1];
// G4double rc = dsig/delab;
// G4double b = sig[je1][ke1] - rc*elab[je1];
// G4double sigint1 = rc*ek + b;
// G4double dsig = sig[je2][ke2] - sig[je1][ke2];
// G4double rc = dsig/delab;
// G4double b = sig[je1][ke2] - rc*elab[je1];
// G4double sigint2 = rc*ek + b;
dsig = sigint2 - sigint1;
rc = 1./dsig;
b = ke1 - rc*sigint1;
G4double kint = rc*sample + b;
G4double theta = (0.5 + kint)*pi/180.;
// G4int k;
//std::abs(sample-sig[j][ke1]) < std::abs(sample-sig[j][ke2]) ? k = ke1 : k = ke2;
// G4double theta = (0.5 + k)*pi/180.;
if (verboseLevel > 1) {
G4cout << " energy bin " << je1 << " energy=" << elab[je1] << G4endl;
G4cout << " angle bin " << kint << " angle=" << theta/degree << G4endl;
}
// Get the target particle
G4DynamicParticle* targetParticle = targetNucleus.ReturnTargetParticle();
@@ -190,7 +175,6 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
G4double M2 = targetParticle->GetDefinition()->GetPDGMass();
G4double totalEnergy = E1 + E2;
G4double pseudoMass = std::sqrt(totalEnergy*totalEnergy - P*P);
// pseudoMass also = std::sqrt(M1*M1 + M2*M2 + 2*M2*E1)
// Transform into centre of mass system
@@ -216,7 +200,7 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
if (px*px + py*py > 0) {
G4double cost, sint, ph, cosp, sinp;
cost = pz/p;
sint = (std::sqrt(std::abs((1-cost)*(1+cost))) + std::sqrt(px*px+py*py)/p)/2;
sint = (std::sqrt(std::fabs((1-cost)*(1+cost))) + std::sqrt(px*px+py*py)/p)/2;
py < 0 ? ph = 3*halfpi : ph = halfpi;
if (std::abs(px) > 0.000001*GeV) ph = std::atan2(py,px);
cosp = std::cos(ph);
@@ -224,10 +208,6 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
px = (cost*cosp*pxnew - sinp*pynew + sint*cosp*pznew);
py = (cost*sinp*pxnew + cosp*pynew + sint*sinp*pznew);
pz = (-sint*pxnew + cost*pznew);
// G4ThreeVector it(a,b,c);
// p0->SetMomentum(it);
// G4ThreeVector aTargetMom = theInitial - it;
// targetParticle->SetMomentum(aTargetMom);
}
else {
px = pxnew;
@@ -317,10 +297,7 @@ G4LEnp::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
theParticleChange.SetMomentumChange(newP->GetMomentumDirection());
theParticleChange.SetEnergyChange(newP->GetKineticEnergy());
delete newP;
G4DynamicParticle* p1 = new G4DynamicParticle;
p1->SetDefinition(targetParticle->GetDefinition());
p1->SetMomentum(targetParticle->GetMomentum());
theParticleChange.AddSecondary(p1);
theParticleChange.AddSecondary(targetParticle);
return &theParticleChange;
}