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geant4/LEMuSR/include/G4AtRestSpinPrecession.hh

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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+//
+// ------------------------------------------------------------
+//      GEANT 4 class header file
+//
+//      History:
+//      17 August 2004  P. Gumplinger
+// ------------------------------------------------------------
+//
+#ifndef G4AtRestSpinPrecession_hh
+#define G4AtRestSpinPrecession_hh 1
+
+#include "G4VRestProcess.hh"
+#include "G4ParticleChangeForAtRestSP.hh"
+
+class G4AtRestSpinPrecession : public G4VRestProcess
+{
+
+public:
+  G4AtRestSpinPrecession();
+  ~G4AtRestSpinPrecession();
+
+  G4bool IsApplicable(const G4ParticleDefinition&);
+  G4VParticleChange* AtRestDoIt(const G4Track& aTrack,const G4Step& aStep);
+
+  virtual G4double GetMeanLifeTime(const G4Track&,
+				   G4ForceCondition*);
+private:
+
+  G4ParticleChangeForAtRestSP fParticleChange;
+
+  G4ThreeVector NewSpin(const G4Step& aStep,
+			G4ThreeVector B, G4double deltatime );
+
+};
+
+#endif