Gabriele Cosmo
632 lines
31 KiB
C++
632 lines
31 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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//
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// -----------------------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// History:
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// Gunter Folger, August/September 2001
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// Create class; algorithm previously in G4VLongitudinalStringDecay.
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// -----------------------------------------------------------------------------
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#include "G4HadronBuilder.hh"
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#include "G4SystemOfUnits.hh"
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#include "Randomize.hh"
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#include "G4HadronicException.hh"
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#include "G4ParticleTable.hh"
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//#define debug_Hbuilder
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//#define debug_heavyHadrons
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G4HadronBuilder::G4HadronBuilder(G4double mesonMix, G4double barionMix,
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std::vector<double> scalarMesonMix,
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std::vector<double> vectorMesonMix,
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G4double Eta_cProb, G4double Eta_bProb, G4double mesonMixSSbar)
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{
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mesonSpinMix = mesonMix;
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mesonSpinMixSSbar = mesonMixSSbar;
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barionSpinMix = barionMix;
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scalarMesonMixings = scalarMesonMix;
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vectorMesonMixings = vectorMesonMix;
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ProbEta_c = Eta_cProb;
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ProbEta_b = Eta_bProb;
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}
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G4ParticleDefinition * G4HadronBuilder::Build(G4ParticleDefinition * black, G4ParticleDefinition * white)
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{
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if (black->GetParticleSubType()== "di_quark" || white->GetParticleSubType()== "di_quark" ) {
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// Barion
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Spin spin = (G4UniformRand() < barionSpinMix) ? SpinHalf : SpinThreeHalf;
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return Barion(black,white,spin);
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} else {
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// Meson
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Spin spin = SpinZero;
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if ( std::abs(black->GetPDGEncoding()) == 3 && std::abs(white->GetPDGEncoding()) == 3 ) {
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spin = (G4UniformRand() < mesonSpinMixSSbar) ? SpinZero : SpinOne;
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} else {
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spin = (G4UniformRand() < mesonSpinMix) ? SpinZero : SpinOne;
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}
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return Meson(black,white,spin);
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}
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}
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//-------------------------------------------------------------------------
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G4ParticleDefinition * G4HadronBuilder::BuildLowSpin(G4ParticleDefinition * black, G4ParticleDefinition * white)
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{
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if ( black->GetParticleSubType()== "quark" && white->GetParticleSubType()== "quark" ) {
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return Meson(black,white, SpinZero);
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} else {
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// will return a SpinThreeHalf Barion if all quarks the same
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return Barion(black,white, SpinHalf);
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}
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}
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//-------------------------------------------------------------------------
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G4ParticleDefinition * G4HadronBuilder::BuildHighSpin(G4ParticleDefinition * black, G4ParticleDefinition * white)
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{
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if ( black->GetParticleSubType()== "quark" && white->GetParticleSubType()== "quark" ) {
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return Meson(black,white, SpinOne);
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} else {
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return Barion(black,white,SpinThreeHalf);
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}
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}
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//-------------------------------------------------------------------------
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G4ParticleDefinition * G4HadronBuilder::Meson(G4ParticleDefinition * black,
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G4ParticleDefinition * white, Spin theSpin)
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{
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#ifdef debug_Hbuilder
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// Verify Input Charge
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G4double charge = black->GetPDGCharge() + white->GetPDGCharge();
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if (std::abs(charge) > 2 || std::abs(3.*charge - 3*G4int(charge*1.001)) > perCent ) // 1.001 to avoid int(.9999) -> 0
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{
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G4cerr << " G4HadronBuilder::Build()" << G4endl;
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G4cerr << " Invalid total charge found for on input: "
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<< charge<< G4endl;
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G4cerr << " PGDcode input quark1/quark2 : " <<
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black->GetPDGEncoding() << " / "<<
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white->GetPDGEncoding() << G4endl;
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G4cerr << G4endl;
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}
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#endif
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G4int id1 = black->GetPDGEncoding();
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G4int id2 = white->GetPDGEncoding();
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// G4int ifl1= std::max(std::abs(id1), std::abs(id2));
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if ( std::abs(id1) < std::abs(id2) )
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{
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G4int xchg = id1;
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id1 = id2;
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id2 = xchg;
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}
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G4int abs_id1 = std::abs(id1);
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if ( abs_id1 > 5 )
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throw G4HadronicException(__FILE__, __LINE__, "G4HadronBuilder::Meson : Illegal Quark content as input");
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G4int PDGEncoding=0;
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if (id1 + id2 == 0) {
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if ( abs_id1 < 4) { // light quarks: u, d or s
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G4double rmix = G4UniformRand();
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G4int imix = 2*std::abs(id1) - 1;
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if (theSpin == SpinZero) {
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PDGEncoding = 110*(1 + (G4int)(rmix + scalarMesonMixings[imix - 1])
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+ (G4int)(rmix + scalarMesonMixings[imix])
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) + theSpin;
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} else {
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PDGEncoding = 110*(1 + (G4int)(rmix + vectorMesonMixings[imix - 1])
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+ (G4int)(rmix + vectorMesonMixings[imix])
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) + theSpin;
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}
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} else { // for c and b quarks
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PDGEncoding = abs_id1*100 + abs_id1*10;
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if (PDGEncoding == 440) {
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if ( G4UniformRand() < ProbEta_c ) {
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PDGEncoding +=1;
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} else {
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PDGEncoding +=3;
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}
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}
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if (PDGEncoding == 550) {
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if ( G4UniformRand() < ProbEta_b ) {
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PDGEncoding +=1;
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} else {
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PDGEncoding +=3;
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}
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}
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}
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} else {
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PDGEncoding = 100 * std::abs(id1) + 10 * std::abs(id2) + theSpin;
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G4bool IsUp = (std::abs(id1)&1) == 0; // quark 1 up type quark (u or c)
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G4bool IsAnti = id1 < 0; // quark 1 is antiquark?
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if ( (IsUp && IsAnti ) || (!IsUp && !IsAnti ) ) PDGEncoding = - PDGEncoding;
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}
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// ---------------------------------------------------------------------
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// Special treatment for charmed and bottom mesons : in Geant4 there are
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// no excited charmed or bottom mesons, therefore we need to transform these
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// into existing charmed and bottom mesons in Geant4. Whenever possible,
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// we use the corresponding ground state mesons with the same quantum numbers;
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// else, we prefer to conserve the electric charge rather than other flavor numbers.
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#ifdef debug_heavyHadrons
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G4int initialPDGEncoding = PDGEncoding;
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#endif
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if ( std::abs( PDGEncoding ) == 10411 ) // D*0(2400)+ -> D+
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( PDGEncoding > 0 ? PDGEncoding = 411 : PDGEncoding = -411 );
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else if ( std::abs( PDGEncoding ) == 10421 ) // D*0(2400)0 -> D0
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( PDGEncoding > 0 ? PDGEncoding = 421 : PDGEncoding = -421 );
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else if ( std::abs( PDGEncoding ) == 413 ) // D*(2010)+ -> D+
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( PDGEncoding > 0 ? PDGEncoding = 411 : PDGEncoding = -411 );
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else if ( std::abs( PDGEncoding ) == 423 ) // D*(2007)0 -> D0
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( PDGEncoding > 0 ? PDGEncoding = 421 : PDGEncoding = -421 );
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else if ( std::abs( PDGEncoding ) == 10413 ) // D1(2420)+ -> D+
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( PDGEncoding > 0 ? PDGEncoding = 411 : PDGEncoding = -411 );
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else if ( std::abs( PDGEncoding ) == 10423 ) // D1(2420)0 -> D0
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( PDGEncoding > 0 ? PDGEncoding = 421 : PDGEncoding = -421 );
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else if ( std::abs( PDGEncoding ) == 20413 ) // D1(H)+ -> D+
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( PDGEncoding > 0 ? PDGEncoding = 411 : PDGEncoding = -411 );
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else if ( std::abs( PDGEncoding ) == 20423 ) // D1(2430)0 -> D0
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( PDGEncoding > 0 ? PDGEncoding = 421 : PDGEncoding = -421 );
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else if ( std::abs( PDGEncoding ) == 415 ) // D2*(2460)+ -> D+
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( PDGEncoding > 0 ? PDGEncoding = 411 : PDGEncoding = -411 );
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else if ( std::abs( PDGEncoding ) == 425 ) // D2*(2460)0 -> D0
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( PDGEncoding > 0 ? PDGEncoding = 421 : PDGEncoding = -421 );
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else if ( std::abs( PDGEncoding ) == 10431 ) // Ds0*(2317)+ -> Ds+
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( PDGEncoding > 0 ? PDGEncoding = 431 : PDGEncoding = -431 );
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else if ( std::abs( PDGEncoding ) == 433 ) // Ds*+ -> Ds+
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( PDGEncoding > 0 ? PDGEncoding = 431 : PDGEncoding = -431 );
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else if ( std::abs( PDGEncoding ) == 10433 ) // Ds1(2536)+ -> Ds+
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( PDGEncoding > 0 ? PDGEncoding = 431 : PDGEncoding = -431 );
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else if ( std::abs( PDGEncoding ) == 20433 ) // Ds1(2460)+ -> Ds+
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( PDGEncoding > 0 ? PDGEncoding = 431 : PDGEncoding = -431 );
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else if ( std::abs( PDGEncoding ) == 435 ) // Ds2*(2573)+ -> Ds+
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( PDGEncoding > 0 ? PDGEncoding = 431 : PDGEncoding = -431 );
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else if ( std::abs( PDGEncoding ) == 10441 ) PDGEncoding = 441; // chi_c0(1P) -> eta_c
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else if ( std::abs( PDGEncoding ) == 100441 ) PDGEncoding = 441; // eta_c(2S) -> eta_c
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else if ( std::abs( PDGEncoding ) == 10443 ) PDGEncoding = 443; // h_c(1P) -> J/psi
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else if ( std::abs( PDGEncoding ) == 20443 ) PDGEncoding = 443; // chi_c1(1P) -> J/psi
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else if ( std::abs( PDGEncoding ) == 100443 ) PDGEncoding = 443; // psi(2S) -> J/psi
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else if ( std::abs( PDGEncoding ) == 30443 ) PDGEncoding = 443; // psi(3770) -> J/psi
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else if ( std::abs( PDGEncoding ) == 9000443 ) PDGEncoding = 443; // psi(4040) -> J/psi
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else if ( std::abs( PDGEncoding ) == 9010443 ) PDGEncoding = 443; // psi(4160) -> J/psi
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else if ( std::abs( PDGEncoding ) == 9020443 ) PDGEncoding = 443; // psi(4415) -> J/psi
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else if ( std::abs( PDGEncoding ) == 445 ) PDGEncoding = 443; // chi_c2(1P) -> J/psi
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else if ( std::abs( PDGEncoding ) == 100445 ) PDGEncoding = 443; // chi_c2(2P) -> J/psi
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// Bottom mesons
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else if ( std::abs( PDGEncoding ) == 10511 ) // B0*0 -> B0
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( PDGEncoding > 0 ? PDGEncoding = 511 : PDGEncoding = -511 );
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else if ( std::abs( PDGEncoding ) == 10521 ) // B0*+ -> B+
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( PDGEncoding > 0 ? PDGEncoding = 521 : PDGEncoding = -521 );
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else if ( std::abs( PDGEncoding ) == 513 ) // B*0 -> B0
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( PDGEncoding > 0 ? PDGEncoding = 511 : PDGEncoding = -511 );
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else if ( std::abs( PDGEncoding ) == 523 ) // B*+ -> B+
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( PDGEncoding > 0 ? PDGEncoding = 521 : PDGEncoding = -521 );
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else if ( std::abs( PDGEncoding ) == 10513 ) // B1(L)0 -> B0
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( PDGEncoding > 0 ? PDGEncoding = 511 : PDGEncoding = -511 );
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else if ( std::abs( PDGEncoding ) == 10523 ) // B1(L)+ -> B+
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( PDGEncoding > 0 ? PDGEncoding = 521 : PDGEncoding = -521 );
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else if ( std::abs( PDGEncoding ) == 20513 ) // B1(H)0 -> B0
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( PDGEncoding > 0 ? PDGEncoding = 511 : PDGEncoding = -511 );
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else if ( std::abs( PDGEncoding ) == 20523 ) // B1(H)+ -> B+
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( PDGEncoding > 0 ? PDGEncoding = 521 : PDGEncoding = -521 );
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else if ( std::abs( PDGEncoding ) == 515 ) // B2*0 -> B0
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( PDGEncoding > 0 ? PDGEncoding = 511 : PDGEncoding = -511 );
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else if ( std::abs( PDGEncoding ) == 525 ) // B2*+ -> B+
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( PDGEncoding > 0 ? PDGEncoding = 521 : PDGEncoding = -521 );
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else if ( std::abs( PDGEncoding ) == 10531 ) // Bs0*0 -> Bs0
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( PDGEncoding > 0 ? PDGEncoding = 531 : PDGEncoding = -531 );
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else if ( std::abs( PDGEncoding ) == 533 ) // Bs*0 -> Bs0
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( PDGEncoding > 0 ? PDGEncoding = 531 : PDGEncoding = -531 );
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else if ( std::abs( PDGEncoding ) == 10533 ) // Bs1(L)0 -> Bs0
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( PDGEncoding > 0 ? PDGEncoding = 531 : PDGEncoding = -531 );
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else if ( std::abs( PDGEncoding ) == 20533 ) // Bs1(H)0 -> Bs0
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( PDGEncoding > 0 ? PDGEncoding = 531 : PDGEncoding = -531 );
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else if ( std::abs( PDGEncoding ) == 535 ) // Bs2*0 -> Bs0
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( PDGEncoding > 0 ? PDGEncoding = 531 : PDGEncoding = -531 );
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else if ( std::abs( PDGEncoding ) == 10541 ) // Bc0*+ -> Bc+
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( PDGEncoding > 0 ? PDGEncoding = 541 : PDGEncoding = -541 );
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else if ( std::abs( PDGEncoding ) == 543 ) // Bc*+ -> Bc+
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( PDGEncoding > 0 ? PDGEncoding = 541 : PDGEncoding = -541 );
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else if ( std::abs( PDGEncoding ) == 10543 ) // Bc1(L)+ -> Bc+
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( PDGEncoding > 0 ? PDGEncoding = 541 : PDGEncoding = -541 );
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else if ( std::abs( PDGEncoding ) == 20543 ) // Bc1(H)+ -> Bc+
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( PDGEncoding > 0 ? PDGEncoding = 541 : PDGEncoding = -541 );
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else if ( std::abs( PDGEncoding ) == 545 ) // Bc2*+ -> Bc+
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( PDGEncoding > 0 ? PDGEncoding = 541 : PDGEncoding = -541 );
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else if ( std::abs( PDGEncoding ) == 551 ) PDGEncoding = 553; // eta_b(1S) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 10551 ) PDGEncoding = 553; // chi_b0(1P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 100551 ) PDGEncoding = 553; // eta_b(2S) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 110551 ) PDGEncoding = 553; // chi_b0(2P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 200551 ) PDGEncoding = 553; // eta_b(3S) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 210551 ) PDGEncoding = 553; // chi_b0(3P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 10553 ) PDGEncoding = 553; // h_b(1P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 20553 ) PDGEncoding = 553; // chi_b1(1P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 30553 ) PDGEncoding = 553; // Upsilon_1(1D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 100553 ) PDGEncoding = 553; // Upsilon(2S) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 110553 ) PDGEncoding = 553; // h_b(2P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 120553 ) PDGEncoding = 553; // chi_b1(2P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 130553 ) PDGEncoding = 553; // Upsilon_1(2D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 200553 ) PDGEncoding = 553; // Upsilon(3S) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 210553 ) PDGEncoding = 553; // h_b(3P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 220553 ) PDGEncoding = 553; // chi_b1(3P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 300553 ) PDGEncoding = 553; // Upsilon(4S) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 9000553 ) PDGEncoding = 553; // Upsilon(10860) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 9010553 ) PDGEncoding = 553; // Upsilon(11020) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 555 ) PDGEncoding = 553; // chi_b2(1P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 10555 ) PDGEncoding = 553; // eta_b2(1D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 20555 ) PDGEncoding = 553; // Upsilon_2(1D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 100555 ) PDGEncoding = 553; // chi_b2(2P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 110555 ) PDGEncoding = 553; // eta_b2(2D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 120555 ) PDGEncoding = 553; // Upsilon_2(2D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 200555 ) PDGEncoding = 553; // chi_b2(3P) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 557 ) PDGEncoding = 553; // Upsilon_3(1D) -> Upsilon
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else if ( std::abs( PDGEncoding ) == 100557 ) PDGEncoding = 553; // Upsilon_3(2D) -> Upsilon
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#ifdef debug_heavyHadrons
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if ( initialPDGEncoding != PDGEncoding ) {
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G4cout << "G4HadronBuilder::Meson : forcing (inexisting in G4) heavy meson with pdgCode="
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<< initialPDGEncoding << " into pdgCode=" << PDGEncoding << G4endl;
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}
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#endif
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// ---------------------------------------------------------------------
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G4ParticleDefinition * MesonDef=
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G4ParticleTable::GetParticleTable()->FindParticle(PDGEncoding);
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#ifdef debug_Hbuilder
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if (MesonDef == 0 ) {
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G4cerr << " G4HadronBuilder - Warning: No particle for PDGcode= "
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<< PDGEncoding << G4endl;
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} else if ( ( black->GetPDGCharge() + white->GetPDGCharge()
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- MesonDef->GetPDGCharge() ) > perCent ) {
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G4cerr << " G4HadronBuilder - Warning: Incorrect Charge : "
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<< " Quark1/2 = "
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<< black->GetParticleName() << " / "
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<< white->GetParticleName()
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<< " resulting Hadron " << MesonDef->GetParticleName()
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<< G4endl;
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}
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#endif
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return MesonDef;
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}
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G4ParticleDefinition * G4HadronBuilder::Barion(G4ParticleDefinition * black,
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G4ParticleDefinition * white,Spin theSpin)
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{
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#ifdef debug_Hbuilder
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// Verify Input Charge
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G4double charge = black->GetPDGCharge() + white->GetPDGCharge();
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if (std::abs(charge) > 2 || std::abs(3.*charge - 3*G4int(charge*1.001)) > perCent )
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{
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G4cerr << " G4HadronBuilder::Build()" << G4endl;
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G4cerr << " Invalid total charge found for on input: "
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<< charge<< G4endl;
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G4cerr << " PGDcode input quark1/quark2 : " <<
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black->GetPDGEncoding() << " / "<<
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white->GetPDGEncoding() << G4endl;
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G4cerr << G4endl;
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}
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#endif
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G4int id1 = black->GetPDGEncoding();
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G4int id2 = white->GetPDGEncoding();
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if ( std::abs(id1) < std::abs(id2) )
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{
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G4int xchg = id1;
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id1 = id2;
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id2 = xchg;
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}
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if (std::abs(id1) < 1000 || std::abs(id2) > 5 )
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throw G4HadronicException(__FILE__, __LINE__, "G4HadronBuilder::Barion: Illegal quark content as input");
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G4int ifl1= std::abs(id1)/1000;
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G4int ifl2 = (std::abs(id1) - ifl1 * 1000)/100;
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G4int diquarkSpin = std::abs(id1)%10;
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G4int ifl3 = id2;
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if (id1 < 0)
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{
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ifl1 = - ifl1;
|
|
ifl2 = - ifl2;
|
|
}
|
|
//... Construct barion, distinguish Lambda and Sigma barions.
|
|
G4int kfla = std::abs(ifl1);
|
|
G4int kflb = std::abs(ifl2);
|
|
G4int kflc = std::abs(ifl3);
|
|
|
|
G4int kfld = std::max(kfla,kflb);
|
|
kfld = std::max(kfld,kflc);
|
|
G4int kflf = std::min(kfla,kflb);
|
|
kflf = std::min(kflf,kflc);
|
|
|
|
G4int kfle = kfla + kflb + kflc - kfld - kflf;
|
|
|
|
//... barion with content uuu or ddd or sss has always spin = 3/2
|
|
theSpin = (kfla == kflb && kflb == kflc)? SpinThreeHalf : theSpin;
|
|
|
|
G4int kfll = 0;
|
|
if (kfld < 6) {
|
|
if (theSpin == SpinHalf && kfld > kfle && kfle > kflf) {
|
|
// Spin J=1/2 and all three quarks different
|
|
// Two states exist: (uds -> lambda or sigma0)
|
|
// - lambda: s(ud)0 s : 3122; ie. reverse the two lighter quarks
|
|
// - sigma0: s(ud)1 s : 3212
|
|
if (diquarkSpin == 1 ) {
|
|
if ( kfla == kfld) { // heaviest quark in diquark
|
|
kfll = 1;
|
|
} else {
|
|
kfll = (G4int)(0.25 + G4UniformRand());
|
|
}
|
|
}
|
|
if (diquarkSpin == 3 && kfla != kfld)
|
|
kfll = (G4int)(0.75 + G4UniformRand());
|
|
}
|
|
}
|
|
|
|
G4int PDGEncoding;
|
|
if (kfll == 1)
|
|
PDGEncoding = 1000 * kfld + 100 * kflf + 10 * kfle + theSpin;
|
|
else
|
|
PDGEncoding = 1000 * kfld + 100 * kfle + 10 * kflf + theSpin;
|
|
|
|
if (id1 < 0)
|
|
PDGEncoding = -PDGEncoding;
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Special treatment for charmed and bottom baryons : in Geant4 there are
|
|
// neither excited charmed or bottom baryons, nor baryons with two or three
|
|
// heavy (c, b) constitutent quarks:
|
|
// Sigma_c* , Xi_c' , Xi_c* , Omega_c* ,
|
|
// Xi_cc , Xi_cc* , Omega_cc , Omega_cc* , Omega_ccc ;
|
|
// Sigma_b* , Xi_b' , Xi_b* , Omega_b*,
|
|
// Xi_bc , Xi_bc' , Xi_bc* , Omega_bc , Omega_bc' , Omega_bc* ,
|
|
// Omega_bcc , Omega_bcc* , Xi_bb, Xi_bb* , Omega_bb, Omega_bb* ,
|
|
// Omega_bbc , Omega_bbc* , Omega_bbb
|
|
// therefore we need to transform these into existing charmed and bottom
|
|
// baryons in Geant4. Whenever possible, we use the corresponding ground state
|
|
// baryons with the same quantum numbers; else, we prefer to conserve the
|
|
// electric charge rather than other flavor numbers.
|
|
#ifdef debug_heavyHadrons
|
|
G4int charmViolation = 0, bottomViolation = 0; // Only positive
|
|
G4int initialPDGEncoding = PDGEncoding;
|
|
#endif
|
|
if ( std::abs( PDGEncoding ) == 4224 ) { // Sigma_c*++ -> Sigma_c++
|
|
( PDGEncoding > 0 ? PDGEncoding = 4222 : PDGEncoding = -4222 );
|
|
} else if ( std::abs( PDGEncoding ) == 4214 ) { // Sigma_c*+ -> Sigma_c+
|
|
( PDGEncoding > 0 ? PDGEncoding = 4212 : PDGEncoding = -4212 );
|
|
} else if ( std::abs( PDGEncoding ) == 4114 ) { // Sigma_c*0 -> Sigma_c0
|
|
( PDGEncoding > 0 ? PDGEncoding = 4112 : PDGEncoding = -4112 );
|
|
} else if ( std::abs( PDGEncoding ) == 4322 ) { // Xi_c'+ -> Xi_c+
|
|
( PDGEncoding > 0 ? PDGEncoding = 4232 : PDGEncoding = -4232 );
|
|
} else if ( std::abs( PDGEncoding ) == 4312 ) { // Xi_c'0 -> Xi_c0
|
|
( PDGEncoding > 0 ? PDGEncoding = 4132 : PDGEncoding = -4132 );
|
|
} else if ( std::abs( PDGEncoding ) == 4324 ) { // Xi_c*+ -> Xi_c+
|
|
( PDGEncoding > 0 ? PDGEncoding = 4232 : PDGEncoding = -4232 );
|
|
} else if ( std::abs( PDGEncoding ) == 4314 ) { // Xi_c*0 -> Xi_c0
|
|
( PDGEncoding > 0 ? PDGEncoding = 4132 : PDGEncoding = -4132 );
|
|
} else if ( std::abs( PDGEncoding ) == 4334 ) { // Omega_c*0 -> Omega_c0
|
|
( PDGEncoding > 0 ? PDGEncoding = 4332 : PDGEncoding = -4332 );
|
|
} else if ( std::abs( PDGEncoding ) == 4412 ) { // Xi_cc+ -> Xi_c+
|
|
( PDGEncoding > 0 ? PDGEncoding = 4232 : PDGEncoding = -4232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 4422 ) { // Xi_cc++ -> Sigma_c++ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 4222 : PDGEncoding = -4222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 4414 ) { // Xi_cc*+ -> Xi_c+
|
|
( PDGEncoding > 0 ? PDGEncoding = 4232 : PDGEncoding = -4232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 4424 ) { // Xi_cc*++ -> Sigma_c++ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 4222 : PDGEncoding = -4222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 4432 ) { // Omega_cc+ -> Xi_c+ (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 4232 : PDGEncoding = -4232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 4434 ) { // Omega_cc*+ -> Xi_c+ (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 4232 : PDGEncoding = -4232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 4444 ) { // Omega_ccc++ -> Sigma_c++ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 4222 : PDGEncoding = -4222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 2;
|
|
#endif
|
|
// Bottom baryons
|
|
} else if ( std::abs( PDGEncoding ) == 5114 ) { // Sigma_b*- -> Sigma_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5112 : PDGEncoding = -5112 );
|
|
} else if ( std::abs( PDGEncoding ) == 5214 ) { // Sigma_b*0 -> Sigma_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5212 : PDGEncoding = -5212 );
|
|
} else if ( std::abs( PDGEncoding ) == 5224 ) { // Sigma_b*+ -> Sigma_b+
|
|
( PDGEncoding > 0 ? PDGEncoding = 5222 : PDGEncoding = -5222 );
|
|
} else if ( std::abs( PDGEncoding ) == 5312 ) { // Xi_b'- -> Xi_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5132 : PDGEncoding = -5132 );
|
|
} else if ( std::abs( PDGEncoding ) == 5322 ) { // Xi_b'0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
} else if ( std::abs( PDGEncoding ) == 5314 ) { // Xi_b*- -> Xi_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5132 : PDGEncoding = -5132 );
|
|
} else if ( std::abs( PDGEncoding ) == 5324 ) { // Xi_b*0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
} else if ( std::abs( PDGEncoding ) == 5334 ) { // Omega_b*- -> Omega_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5332 : PDGEncoding = -5332 );
|
|
} else if ( std::abs( PDGEncoding ) == 5142 ) { // Xi_bc0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5242 ) { // Xi_bc+ -> Sigma_b+ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5222 : PDGEncoding = -5222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5412 ) { // Xi_bc'0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5422 ) { // Xi_bc'+ -> Sigma_b+ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5222 : PDGEncoding = -5222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5414 ) { // Xi_bc*0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5424 ) { // Xi_bc*+ -> Sigma_b+ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5222 : PDGEncoding = -5222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5342 ) { // Omega_bc0 -> Xi_b0 (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5432 ) { // Omega_bc'0 -> Xi_b0 (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5434 ) { // Omega_bc*0 -> Xi_b0 (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5442 ) { // Omega_bcc+ -> Sigma_b+ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5222 : PDGEncoding = -5222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 2;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5444 ) { // Omega_bcc*+ -> Sigma_b+ (use Sigma to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5222 : PDGEncoding = -5222 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 2;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5512 ) { // Xi_bb- -> Xi_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5132 : PDGEncoding = -5132 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5522 ) { // Xi_bb0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5514 ) { // Xi_bb*- -> Xi_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5132 : PDGEncoding = -5132 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5524 ) { // Xi_bb*0 -> Xi_b0
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5532 ) { // Omega_bb- -> Omega_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5332 : PDGEncoding = -5332 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5534 ) { // Omega_bb*- -> Omega_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5332 : PDGEncoding = -5332 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5542 ) { // Omega_bbc0 -> Xi_b0 (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1; bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5544 ) { // Omega_bbc*0 -> Xi_b0 (use Xi to conserve charge)
|
|
( PDGEncoding > 0 ? PDGEncoding = 5232 : PDGEncoding = -5232 );
|
|
#ifdef debug_heavyHadrons
|
|
charmViolation = 1; bottomViolation = 1;
|
|
#endif
|
|
} else if ( std::abs( PDGEncoding ) == 5554 ) { // Omega_bbb- -> Omega_b-
|
|
( PDGEncoding > 0 ? PDGEncoding = 5332 : PDGEncoding = -5332 );
|
|
#ifdef debug_heavyHadrons
|
|
bottomViolation = 2;
|
|
#endif
|
|
}
|
|
#ifdef debug_heavyHadrons
|
|
if ( initialPDGEncoding != PDGEncoding ) {
|
|
G4cout << "G4HadronBuilder::Barion : forcing (inexisting in G4) heavy baryon with pdgCode="
|
|
<< initialPDGEncoding << " into pdgCode=" << PDGEncoding << G4endl;
|
|
if ( charmViolation != 0 || bottomViolation != 0 ) {
|
|
G4cout << "\t --> VIOLATION of " << ( charmViolation != 0 ? " CHARM " : " " )
|
|
<< ( charmViolation != 0 && bottomViolation != 0 ? " and " : " " )
|
|
<< ( bottomViolation != 0 ? " BOTTOM " : " " ) << " quantum number ! " << G4endl;
|
|
}
|
|
}
|
|
#endif
|
|
// ---------------------------------------------------------------------
|
|
|
|
G4ParticleDefinition * BarionDef=
|
|
G4ParticleTable::GetParticleTable()->FindParticle(PDGEncoding);
|
|
|
|
#ifdef debug_Hbuilder
|
|
if (BarionDef == 0 ) {
|
|
G4cerr << " G4HadronBuilder - Warning: No particle for PDGcode= "
|
|
<< PDGEncoding << G4endl;
|
|
} else if ( ( black->GetPDGCharge() + white->GetPDGCharge()
|
|
- BarionDef->GetPDGCharge() ) > perCent ) {
|
|
G4cerr << " G4HadronBuilder - Warning: Incorrect Charge : "
|
|
<< " DiQuark/Quark = "
|
|
<< black->GetParticleName() << " / "
|
|
<< white->GetParticleName()
|
|
<< " resulting Hadron " << BarionDef->GetParticleName()
|
|
<< G4endl;
|
|
}
|
|
#endif
|
|
|
|
return BarionDef;
|
|
}
|
|
|