Gabriele Cosmo
81 lines
3.6 KiB
C++
81 lines
3.6 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4SingleDiffractiveExcitation.hh,v 1.2 2006/06/29 20:55:21 gunter Exp $
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#ifndef G4SingleDiffractiveExcitation_h
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#define G4SingleDiffractiveExcitation_h 1
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// ---------------- G4SingleDiffractiveExcitation --------------
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// by Gunter Folger, October 1998.
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// diffractive Excitation used by strings models
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// Take a projectile and a target
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// excite the projectile and target
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// ------------------------------------------------------------
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#include "globals.hh"
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class G4VSplitableHadron;
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class G4ExcitedString;
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#include "G4ThreeVector.hh"
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#include "G4DiffractiveExcitation.hh"
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class G4SingleDiffractiveExcitation : public G4DiffractiveExcitation
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{
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public:
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G4SingleDiffractiveExcitation(G4double sigmaPt=0.6*GeV, G4double minExtraMass=250*MeV,G4double x0mass=250*MeV);
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~G4SingleDiffractiveExcitation();
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G4bool ExciteParticipants (G4VSplitableHadron *aPartner, G4VSplitableHadron * bPartner) const;
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// void SetPtWidth(G4double aValue) { widthOfPtSquare = aValue*aValue; }
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// void SetExtraMass(G4double aValue) { minExtraMass = aValue; }
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// void SetMinimumMass(G4double aValue) { minmass = aValue; }
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private:
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G4SingleDiffractiveExcitation(const G4SingleDiffractiveExcitation &right);
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G4double ChooseX(G4double Xmin, G4double Xmax) const;
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G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare) const;
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const G4SingleDiffractiveExcitation & operator=(const G4SingleDiffractiveExcitation &right);
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int operator==(const G4SingleDiffractiveExcitation &right) const;
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int operator!=(const G4SingleDiffractiveExcitation &right) const;
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private:
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// Model Parameters:
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const G4double widthOfPtSquare; // width^2 of pt for string excitation
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const G4double minExtraMass; // minimum excitation mass
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const G4double minmass; // mean pion transverse mass; used for Xmin
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};
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#endif
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