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This commit is contained in:
Gabriele Cosmo
2020-06-26 10:23:25 +02:00
parent c02c370437
commit 67ba86d073
1871 changed files with 174422 additions and 131884 deletions
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source/particles/management/include/G4MuonRadiativeDecayChannelWithSpin.hh
+59 -73
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@@ -23,33 +23,25 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// ------------------------------------------------------------
// GEANT 4 class header file
//
// History:
// 25 July 2007 P.Gumplinger - Triumf
// 10 August 2011 D. Mingming - Center for HEP, Tsinghua Univ.
//
// Samples Radiative Muon Decay
// References:
// TRIUMF/TWIST Technote TN-55:
// "Radiative muon decay" by P. Depommier and A. Vacheret
// ------------------------------------------------------
// Yoshitaka Kuno and Yasuhiro Okada
// "Muon Decays and Physics Beyond the Standard Model"
// Rev. Mod. Phys. 73, 151 (2001)
//
// ------------------------------------------------------------
//
//
// G4MuonRadiativeDecayChannelWithSpin
//
// Class description:
//
// This class describes radiative muon decay kinematics, but
// gives incorrect energy spectrum for neutrinos.
// Samples Radiative Muon Decay.
// References:
// - TRIUMF/TWIST Technote TN-55:
// "Radiative muon decay" by P. Depommier and A. Vacheret
// - Yoshitaka Kuno and Yasuhiro Okada
// "Muon Decays and Physics Beyond the Standard Model"
// Rev. Mod. Phys. 73, 151 (2001)
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#ifndef G4MuonRadiativeDecayChannelWithSpin_h
#define G4MuonRadiativeDecayChannelWithSpin_h 1
// Author: P.Gumplinger - Triumf, 25 July 2007
// Revision: D. Mingming - Center for HEP, Tsinghua Univ., 10 August 2011
// --------------------------------------------------------------------
#ifndef G4MuonRadiativeDecayChannelWithSpin_hh
#define G4MuonRadiativeDecayChannelWithSpin_hh 1
#include <CLHEP/Units/PhysicalConstants.h>
@@ -60,87 +52,81 @@
class G4MuonRadiativeDecayChannelWithSpin : public G4VDecayChannel
{
// Class Decription
// This class describes radiative muon decay kinemtics, but
// gives incorrect energy spectrum for neutrinos
public:
public: // With Description
//Constructors
G4MuonRadiativeDecayChannelWithSpin(const G4String& theParentName,
G4double theBR);
// Destructor
G4double theBR);
virtual ~G4MuonRadiativeDecayChannelWithSpin();
virtual G4DecayProducts* DecayIt(G4double);
protected:
// Copy constructor and assignment operator
G4MuonRadiativeDecayChannelWithSpin(const G4MuonRadiativeDecayChannelWithSpin &);
G4MuonRadiativeDecayChannelWithSpin & operator=(const G4MuonRadiativeDecayChannelWithSpin &);
G4MuonRadiativeDecayChannelWithSpin(const G4MuonRadiativeDecayChannelWithSpin&);
G4MuonRadiativeDecayChannelWithSpin& operator=(const G4MuonRadiativeDecayChannelWithSpin&);
// Copy constructor and assignment operator
private:
G4MuonRadiativeDecayChannelWithSpin();
public: // With Description
virtual G4DecayProducts *DecayIt(G4double);
private:
G4double fron(G4double Pmu, G4double x, G4double y,
G4double cthetaE, G4double cthetaG, G4double cthetaEG);
// rn3dim generates random vectors, uniformly distributed over the surface
// of a sphere of given radius.
// See http://wwwinfo.cern.ch/asdoc/shortwrupsdir/v131/top.html
void rn3dim(G4double& x, G4double& y, G4double& z, G4double xlong);
// Generates random vectors, uniformly distributed over the surface
// of a sphere of given radius
G4double atan4(G4double x, G4double y);
};
// ------------------------
// Inline methods
// ------------------------
inline void G4MuonRadiativeDecayChannelWithSpin::rn3dim(G4double& x,
G4double& y,
G4double& z,
G4double xlong)
{
G4double a = 0.; G4double b = 0.; G4double c = 0.; G4double r = 0.;
G4double a = 0.; G4double b = 0.; G4double c = 0.; G4double r = 0.;
do {
a = G4UniformRand() - 0.5;
b = G4UniformRand() - 0.5;
c = G4UniformRand() - 0.5;
r = a*a + b*b + c*c;
} while (r > 0.25);// Loop checking, 09.08.2015, K.Kurashige
do
{
a = G4UniformRand() - 0.5;
b = G4UniformRand() - 0.5;
c = G4UniformRand() - 0.5;
r = a*a + b*b + c*c;
} while (r > 0.25); // Loop checking, 09.08.2015, K.Kurashige
G4double rinv = xlong/(std::sqrt(r));
x = a * rinv;
y = b * rinv;
z = c * rinv;
G4double rinv = xlong/(std::sqrt(r));
x = a * rinv;
y = b * rinv;
z = c * rinv;
return;
return;
}
inline G4double G4MuonRadiativeDecayChannelWithSpin::atan4(G4double x,
G4double y)
{
G4double phi = 0.;
G4double phi = 0.;
if (x==0. && y>0.){
phi = 0.5*CLHEP::pi;
} else if (x==0. && y<0.){
phi = 1.5*CLHEP::pi;
} else if (y==0. && x>0.){
phi = 0.;
} else if (y==0. && x<0.){
phi = CLHEP::pi;
} else if (x>0. ){
phi = std::atan(y/x);
} else if (x<0. ){
phi = std::atan(y/x) + CLHEP::pi;
}
if (x==0. && y>0.){
phi = 0.5*CLHEP::pi;
} else if (x==0. && y<0.){
phi = 1.5*CLHEP::pi;
} else if (y==0. && x>0.){
phi = 0.;
} else if (y==0. && x<0.){
phi = CLHEP::pi;
} else if (x>0. ){
phi = std::atan(y/x);
} else if (x<0. ){
phi = std::atan(y/x) + CLHEP::pi;
}
return phi;
return phi;
}
#endif