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This commit is contained in:
Gabriele Cosmo
2018-12-07 15:15:39 +01:00
parent 6aa23be517
commit db49709b53
11370 changed files with 187480 additions and 160142 deletions
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source/processes/hadronic/stopping/src/G4AntiNeutronAnnihilationAtRest.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4AntiNeutronAnnihilationAtRest.cc 104961 2017-07-03 07:36:14Z gcosmo $
// G4AntiNeutronAnnihilationAtRest physics process
// Larry Felawka (TRIUMF), April 1998
//---------------------------------------------------------------------
source/processes/hadronic/stopping/src/G4ElementSelector.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4ElementSelector.cc 66367 2012-12-18 09:18:08Z gcosmo $
//
// File: G4ElementSelector
//
source/processes/hadronic/stopping/src/G4EmCaptureCascade.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4EmCaptureCascade.cc 101422 2016-11-17 10:41:23Z gcosmo $
//
//-----------------------------------------------------------------------------
//
source/processes/hadronic/stopping/src/G4HadronStoppingProcess.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4HadronStoppingProcess.cc 109781 2018-05-09 08:10:16Z gcosmo $
//
//---------------------------------------------------------------------
//
source/processes/hadronic/stopping/src/G4HadronicAbsorptionFritiof.cc
+2 -1
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@@ -54,6 +54,7 @@
#include "G4ParticleDefinition.hh"
#include "G4ParticleTypes.hh"
#include "G4HadronicInteractionRegistry.hh"
#include "G4HadronicParameters.hh"
// Constructor
G4HadronicAbsorptionFritiof::
@@ -80,7 +81,7 @@ G4HadronicAbsorptionFritiof( G4ParticleDefinition* pdef )
theModel->SetTransport( theCascade );
G4double theMin = 0.0*GeV;
G4double theMax = 100.0*TeV;
G4double theMax = G4HadronicParameters::Instance()->GetMaxEnergy();
theModel->SetMinEnergy( theMin );
theModel->SetMaxEnergy( theMax );
source/processes/hadronic/stopping/src/G4MuMinusCapturePrecompound.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuMinusCapturePrecompound.cc 91836 2015-08-07 07:25:54Z gcosmo $
//
//-----------------------------------------------------------------------------
//
source/processes/hadronic/stopping/src/G4MuonMinusAtomicCapture.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuonMinusAtomicCapture.cc $
//
//---------------------------------------------------------------------
//
source/processes/hadronic/stopping/src/G4MuonMinusBoundDecay.cc
+63 -47
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuonMinusBoundDecay.cc 91836 2015-08-07 07:25:54Z gcosmo $
//
//-----------------------------------------------------------------------------
//
@@ -43,7 +42,8 @@
// to take both Z & A into account
// Improved GetMuonDecayRate by using Zeff instead of Z
// Extracted Zeff into GetMuonZeff
//
// 10/08/2018 K.Genser Improved accuracy of the bound decay rate
//
//----------------------------------------------------------------------
#include "G4MuonMinusBoundDecay.hh"
@@ -52,6 +52,9 @@
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4ThreeVector.hh"
#include "G4NistManager.hh"
#include "G4NucleiProperties.hh"
#include "G4IonTable.hh"
#include "G4MuonMinus.hh"
#include "G4Electron.hh"
#include "G4NeutrinoMu.hh"
@@ -83,7 +86,8 @@ G4MuonMinusBoundDecay::ApplyYourself(const G4HadProjectile& projectile,
// Decide on Decay or Capture, and doit.
G4double lambdac = GetMuonCaptureRate(Z, A);
G4double lambdad = GetMuonDecayRate(Z);
G4double lambdad = GetMuonDecayRate(Z, A, fMuMass,
targetNucleus.AtomicMass(A,Z));
G4double lambda = lambdac + lambdad;
// === sample capture time and change time of projectile
@@ -197,7 +201,7 @@ G4double G4MuonMinusBoundDecay::GetMuonCaptureRate(G4int Z, G4int A)
// loop once Z is above the stored value; cRErr are not used now but
// are included for completeness and future use
const capRate capRates [] = {
static const capRate capRates [] = {
{ 1, 1, 0.000725, 0.000017 },
{ 2, 3, 0.002149, 0.00017 },
{ 2, 4, 0.000356, 0.000026 },
@@ -306,10 +310,10 @@ G4double G4MuonMinusBoundDecay::GetMuonCaptureRate(G4int Z, G4int A)
// == Mu capture lifetime (Goulard and Primakoff PRC10(1974)2034.
const G4double b0a = -0.03;
const G4double b0b = -0.25;
const G4double b0c = 3.24;
const G4double t1 = 875.e-9; // -10-> -9 suggested by user
static const G4double b0a = -0.03;
static const G4double b0b = -0.25;
static const G4double b0c = 3.24;
static const G4double t1 = 875.e-9; // -10-> -9 suggested by user
G4double r1 = GetMuonZeff(Z);
G4double zeff2 = r1 * r1;
@@ -330,7 +334,7 @@ G4double G4MuonMinusBoundDecay::GetMuonCaptureRate(G4int Z, G4int A)
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4double G4MuonMinusBoundDecay::GetMuonZeff(G4int Z)
G4double G4MuonMinusBoundDecay::GetMuonZeff(G4int ZZ)
{
// == Effective charges from
@@ -339,9 +343,8 @@ G4double G4MuonMinusBoundDecay::GetMuonZeff(G4int Z)
// and if not present from
// Ford and Wills Nucl Phys 35(1962)295 or interpolated
const size_t maxZ = 100;
const G4double zeff[maxZ+1] =
static const G4int maxZ = 100;
static const G4double zeff[] =
{ 0.,
1.00, 1.98, 2.94, 3.89, 4.81, 5.72, 6.61, 7.49, 8.32, 9.14,
9.95,10.69,11.48,12.22,12.90,13.64,14.24,14.89,15.53,16.15,
@@ -354,28 +357,36 @@ G4double G4MuonMinusBoundDecay::GetMuonZeff(G4int Z)
34.21,34.18,34.00,34.10,34.21,34.31,34.42,34.52,34.63,34.73,
34.84,34.94,35.05,35.16,35.25,35.36,35.46,35.57,35.67,35.78 };
if (Z<0) {Z=0;}
if (Z>G4int(maxZ)) {Z=maxZ;}
G4int Z = std::max(std::min(ZZ, maxZ), 1);
return zeff[Z];
}
G4double G4MuonMinusBoundDecay::GetMuonDecayRate(G4int Z)
{
// Decay time on K-shell
// N.C.Mukhopadhyay Phys. Rep. 30 (1977) 1.
G4int A = G4lrint(G4NistManager::Instance()->GetAtomicMassAmu(Z));
return GetMuonDecayRate(Z, A, G4MuonMinus::MuonMinus()->GetPDGMass(),
G4NucleiProperties::GetNuclearMass(A,Z));
}
// this is the "small Z" approximation formula (2.9)
// Lambda(bound)/Lambda(free) = 1-beta(Z*alpha)**2 with beta~=2.5
// we assume that Z is Zeff
G4double G4MuonMinusBoundDecay::GetMuonDecayRate(G4int Z, G4int A,
G4double muMass,
G4double nuclMass)
{
// Decay time correction based on
// H. C. Von Baeyer and D. Leiter, Phys. Rev. A 19, 1371 (1979).
// replacing N.C.Mukhopadhyay Phys. Rep. 30 (1977) 1.
// for Z < 14 inspired by report 2049
// Lambda(bound)/Lambda(free) = 1-(0.5+0.06*Mu_Mass/NuclMass)(Z*alpha)^2
// PDG 2012 muon lifetime value is 2.1969811(22) 10e-6s
// which when inverted gives 0.45517005 10e+6/s
// PDG 2012 muon lifetime value is 2.1969811(22) 1e-6s
// which when inverted gives 0.45517005 1e+6/s
// we pass known alraedy in ApplyYourself muon and nucleus masses to
// avoid refetching/recalculations
struct decRate {
G4int Z;
G4int A;
G4double dRate;
G4double dRErr;
};
@@ -383,53 +394,58 @@ G4double G4MuonMinusBoundDecay::GetMuonDecayRate(G4int Z)
// this struct has to be sorted by Z when initialized as we exit the
// loop once Z is above the stored value
const decRate decRates [] = {
{ 1, 0.4558514, 0.0000151 }
static const decRate decRates [] = {
{ 0, 0, 0.45517005, 0.00000046 } // free muon
};
G4double lambda = -1.;
if (Z == 0 && A == 0) {lambda = decRates[0].dRate/microsecond;} // free muon
// size_t nDecRates = sizeof(decRates)/sizeof(decRates[0]);
// for (size_t j = 0; j < nDecRates; ++j) {
// if( decRates[j].Z == Z ) {
// lambda = decRates[j].dRate / microsecond;
// if( decRates[j].Z == Z && decRates[j].A == A ) {
// lambda = decRates[j].cRate / microsecond;
// break;
// }
// // make sure the data is sorted for the next statement to work
// // make sure the data is sorted for the next statement to work correctly
// if (decRates[j].Z > Z) {break;}
// }
// we'll use the above code once we have more data
// since we only have one value we just assign it
if (Z == 1) {lambda = decRates[0].dRate/microsecond;}
// we'll use the above code once we have the data
// if we had one value we would just assign it
// if (Z == 1 && A == 1) {lambda = decRates[1].dRate/microsecond;}
if (lambda < 0.) {
const G4double freeMuonDecayRate = 0.45517005 / microsecond;
lambda = 1.0;
G4double x = GetMuonZeff(Z)*fine_structure_const;
lambda -= 2.5 * x * x;
G4double x = Z*fine_structure_const;
if (Z<14) {
// using the Phys. Rev. formula
lambda -= x * x * (0.5 + 0.06 * muMass/nuclMass);
} else {
// based on a fit to the data ref. in Phys.Rev. C35 (1987) 2212
lambda -= x * x * (0.868699 - x * 0.708985);
}
lambda *= freeMuonDecayRate;
}
return lambda;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4MuonMinusBoundDecay::ModelDescription(std::ostream& outFile) const
{
outFile << "Sample probabilities of mu- nuclear capture of decay"
<< " from K-shell orbit.\n"
<< " Time of projectile is changed taking into account life time"
<< " of muonic atom.\n"
<< " If decay is sampled primary state become stopAndKill,"
<< " else - isAlive.\n"
<< " Based of reviews:\n"
<< " N.C.Mukhopadhyay Phy. Rep. 30 (1977) 1.\n"
<< " T. Suzuki, D. F. Measday, J.P. Roalsvig Phys.Rev. C35 (1987) 2212\n";
outFile << " Sample probabilities of mu- nuclear capture of decay"
<< " from K-shell orbit.\n"
<< " Time of projectile is changed taking into account life time"
<< " of muonic atom.\n"
<< " If decay is sampled primary state become stopAndKill,"
<< " else - isAlive.\n"
<< " Mainly based on:\n"
<< " H.C. Von Baeyer and D.Leiter, Phys. Rev. A 19, 1371 (1979)\n"
<< " T.Suzuki, D.F.Measday, J.P.Roalsvig Phys.Rev. C35 (1987) 2212\n"
<< " with an emprical fit to the Huff factors for Z >= 14\n"
<< " from the above review\n";
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
source/processes/hadronic/stopping/src/G4MuonMinusCapture.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuonMinusCapture.cc 74377 2013-10-04 08:29:54Z gcosmo $
//
//---------------------------------------------------------------------
//
source/processes/hadronic/stopping/src/G4MuonicAtomDecay.cc
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@@ -23,7 +23,6 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuonicAtomDecay.cc 94351 2015-11-12 15:35:32Z gcosmo $
//
//---------------------------------------------------------------------
//