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This commit is contained in:
Gabriele Cosmo
2016-06-09 11:11:55 +02:00
parent e083ffb441
commit 516dbf1a58
5914 changed files with 202605 additions and 71141 deletions
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source/processes/hadronic/models/parton_string/hadronization/src/G4VLongitudinalStringDecay.cc
+14 -14
View File
@@ -21,8 +21,8 @@
// ********************************************************************
//
//
// $Id: G4VLongitudinalStringDecay.cc,v 1.2 2003/11/03 17:54:53 hpw Exp $
// GEANT4 tag $Name: geant4-06-00-patch-01 $
// $Id: G4VLongitudinalStringDecay.cc,v 1.3 2004/12/07 13:50:16 gunter Exp $
// GEANT4 tag $Name: geant4-07-00-cand-03 $
//
// -----------------------------------------------------------------------------
// GEANT 4 class implementation file
@@ -166,10 +166,10 @@ G4VLongitudinalStringDecay::pDefPair G4VLongitudinalStringDecay::CreatePartonPai
G4ThreeVector G4VLongitudinalStringDecay::SampleQuarkPt()
{
G4double Pt = -log(G4UniformRand());
Pt = SigmaQT * sqrt(Pt);
G4double Pt = -std::log(G4UniformRand());
Pt = SigmaQT * std::sqrt(Pt);
G4double phi = 2.*pi*G4UniformRand();
return G4ThreeVector(Pt * cos(phi),Pt * sin(phi),0);
return G4ThreeVector(Pt * std::cos(phi),Pt * std::sin(phi),0);
}
//----------------------------------------------------------------------------------------------------------
@@ -258,8 +258,8 @@ G4ParticleDefinition *G4VLongitudinalStringDecay::DiQuarkSplitup(
pDefPair QuarkPair = CreatePartonPair(IsParticle,false); // no diquarks wanted
//... Build new Diquark
G4int QuarkEncoding=QuarkPair.second->GetPDGEncoding();
G4int i10 = std::max(abs(QuarkEncoding), abs(stableQuarkEncoding));
G4int i20 = std::min(abs(QuarkEncoding), abs(stableQuarkEncoding));
G4int i10 = std::max(std::abs(QuarkEncoding), std::abs(stableQuarkEncoding));
G4int i20 = std::min(std::abs(QuarkEncoding), std::abs(stableQuarkEncoding));
G4int spin = (i10 != i20 && G4UniformRand() <= 0.5)? 1 : 3;
G4int NewDecayEncoding = -1*IsParticle*(i10 * 1000 + i20 * 100 + spin);
created = FindParticle(NewDecayEncoding);
@@ -614,7 +614,7 @@ G4KineticTrackVector* G4VLongitudinalStringDecay::LightFragmentationTest(const
G4ThreeVector Mom3 = string->Get4Momentum().vect();
G4LorentzVector Mom(Mom3,
sqrt(Mom3.mag2() + sqr(hadrons.first->GetPDGMass())));
std::sqrt(Mom3.mag2() + sqr(hadrons.first->GetPDGMass())));
result->push_back(new G4KineticTrack(hadrons.first, 0, string->GetPosition(), Mom));
} else
{
@@ -651,21 +651,21 @@ G4ParticleDefinition* G4VLongitudinalStringDecay::FindParticle(G4int Encoding)
void G4VLongitudinalStringDecay::Sample4Momentum(G4LorentzVector* Mom, G4double Mass, G4LorentzVector* AntiMom, G4double AntiMass, G4double InitialMass)
{
G4double r_val = sqr(InitialMass*InitialMass - Mass*Mass - AntiMass*AntiMass) - sqr(2.*Mass*AntiMass);
G4double Pabs = (r_val > 0.)? sqrt(r_val)/(2.*InitialMass) : 0;
G4double Pabs = (r_val > 0.)? std::sqrt(r_val)/(2.*InitialMass) : 0;
//... sample unit vector
G4double pz = 1. - 2.*G4UniformRand();
G4double st = sqrt(1. - pz * pz)*Pabs;
G4double st = std::sqrt(1. - pz * pz)*Pabs;
G4double phi = 2.*pi*G4UniformRand();
G4double px = st*cos(phi);
G4double py = st*sin(phi);
G4double px = st*std::cos(phi);
G4double py = st*std::sin(phi);
pz *= Pabs;
Mom->setPx(px); Mom->setPy(py); Mom->setPz(pz);
Mom->setE(sqrt(Pabs*Pabs + Mass*Mass));
Mom->setE(std::sqrt(Pabs*Pabs + Mass*Mass));
AntiMom->setPx(-px); AntiMom->setPy(-py); AntiMom->setPz(-pz);
AntiMom->setE (sqrt(Pabs*Pabs + AntiMass*AntiMass));
AntiMom->setE (std::sqrt(Pabs*Pabs + AntiMass*AntiMass));
}
//----------------------------------------------------------------------------------------------------------