// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * 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. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // // $Id: G4StrawTubeXTRadiator.cc,v 1.6 2007/09/29 17:49:34 vnivanch Exp $ // GEANT4 tag $Name: geant4-09-02-ref-02 $ // #include "G4StrawTubeXTRadiator.hh" #include "Randomize.hh" #include "G4Gamma.hh" using namespace std; //////////////////////////////////////////////////////////////////////////// // // Constructor, destructor G4StrawTubeXTRadiator::G4StrawTubeXTRadiator(G4LogicalVolume *anEnvelope, G4Material* foilMat,G4Material* gasMat, G4double a, G4double b, G4Material* mediumMat, G4bool unishut, const G4String& processName) : G4VXTRenergyLoss(anEnvelope,foilMat,gasMat,a,b,1,processName) { if(verboseLevel > 0) G4cout<<"Straw tube X-ray TR radiator EM process is called"< 0) G4cout<<"straw uniform shooting: "<<"fAlphaPlate = " <GetSandiaTable(); } ////////////////////////////////////////////////////////////////////// // // Returns the value of linear photo absorption coefficient (in reciprocal // length) for medium for given energy of X-ray photon omega G4double G4StrawTubeXTRadiator::GetMediumLinearPhotoAbs(G4double omega) { G4double omega2, omega3, omega4; omega2 = omega*omega; omega3 = omega2*omega; omega4 = omega2*omega2; G4double* SandiaCof = fMediumPhotoAbsCof->GetSandiaCofForMaterial(omega); G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 + SandiaCof[2]/omega3 + SandiaCof[3]/omega4; return cross; } // // ////////////////////////////////////////////////////////////////////////////