Changeset 991 for trunk/source/processes/electromagnetic/muons/src/G4MuBetheBlochModel.cc

Timestamp:

Apr 17, 2009, 12:17:14 PM (15 years ago)

Author:

garnier

Message:

update

File:

• trunk/source/processes/electromagnetic/muons/src/G4MuBetheBlochModel.cc (modified) (5 diffs)

trunk/source/processes/electromagnetic/muons/src/G4MuBetheBlochModel.cc

@@ -24 +24 @@
 // ********************************************************************
 //
-// $Id: G4MuBetheBlochModel.cc,v 1.25 2009/02/20 14:48:16 vnivanch Exp $
-// GEANT4 tag $Name: geant4-09-02-ref-02 $
+// $Id: G4MuBetheBlochModel.cc,v 1.24 2008/03/25 12:31:04 vnivanch Exp $
+// GEANT4 tag $Name: geant4-09-02 $
 //
 // -------------------------------------------------------------------
@@ -88 +88 @@
   theElectron = G4Electron::Electron();
   corr = G4LossTableManager::Instance()->EmCorrections();
-  fParticleChange = 0;
 
   if(p) SetParticle(p);
@@ -100 +99 @@
 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
+void G4MuBetheBlochModel::SetParticle(const G4ParticleDefinition* p)
+{
+  if(!particle) {
+    particle = p;
+    mass = particle->GetPDGMass();
+    massSquare = mass*mass;
+    ratio = electron_mass_c2/mass;
+  }
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
 G4double G4MuBetheBlochModel::MinEnergyCut(const G4ParticleDefinition*,
                                            const G4MaterialCutsCouple* couple)
@@ -106 +117 @@
 }
 
-//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
-
-G4double G4MuBetheBlochModel::MaxSecondaryEnergy(const G4ParticleDefinition*,
-                                                 G4double kinEnergy) 
-{
-  G4double tau  = kinEnergy/mass;
-  G4double tmax = 2.0*electron_mass_c2*tau*(tau + 2.) /
-                  (1. + 2.0*(tau + 1.)*ratio + ratio*ratio);
-  return tmax;
-}
-
 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
@@ -124 +124 @@
   if(p) SetParticle(p);
 
-  if(!fParticleChange) {
-    if(pParticleChange) {
-      fParticleChange = 
-        reinterpret_cast<G4ParticleChangeForLoss*>(pParticleChange);
-    } else {
-      fParticleChange = new G4ParticleChangeForLoss();
-    }
-  }
+  if(pParticleChange)
+    fParticleChange = reinterpret_cast<G4ParticleChangeForLoss*>
+                                                             (pParticleChange);
+  else
+    fParticleChange = new G4ParticleChangeForLoss();
 }