Gabriele Cosmo
153 lines
8.5 KiB
C++
153 lines
8.5 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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// ! A neutron-induced fission package !
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// ! J.M. Verbeke, Dec-2006 / LLNL !
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// ! !
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// ! G4NeutronFissionModule.cc !
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// ! !
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// ! Classes to simulate neutron-induced fissions, emitting neutrons !
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// ! and gamma-rays. Algorithm uses data whenever available, and !
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// ! models such as the Terrell approximation, the Watt spectrum !
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// ! otherwise. !
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// ! !
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// ! The complete list of references used is shown below: !
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// ! !
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// ! J. Terrell, "Distributions of Fission Neutron Numbers", Phys. !
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// ! Rev. 108, 783 (1957). !
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// ! M.S. Zucker, N.E. Holden, "Energy Dependence of Neutron !
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// ! Multiplicity P_nu in Fast-Neutron-Induced Fission for U-235, !
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// ! U-238 and Pu-239," BNL-38491 (1986). !
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// ! T.E. Valentine, "MCNP-DSP Users Manual," ORNL/TM-13334, R2, Oak !
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// ! Ridge National Laboratory (2000). !
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// ! T.E. Valentine, J.T. Mihalczo, "MCNP-DSP: A Neutron and Gamma !
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// ! Ray Monte Carlo Calculation of Source-Driven Noise-Measured !
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// ! Parameters ," Ann. of Nucl. Eng., 23, 16, p. 1271 (1996). !
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// ! R. Gwin, R.R. Spencer, R.W. Ingle, "Measurements of the Energy !
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// ! Dependence of Prompt Neutron Emission from U-233, U-235, !
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// ! Pu-239, and Pu-241 for E_n=0.005 to 10 eV Relative to Emission !
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// ! from Spontaneous Fission of Cf-252," Nucl. Sci. Eng., 87, 381 !
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// ! (1984). !
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// ! J. Frehaut, "Neutron Multiplicity Distribution in Fast !
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// ! Neutron-Induced Fission," Proc. of IAEA Consultant's Meeting !
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// ! on Physics of Neutron Emission in Fission, Mito, Japan (1988). !
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// ! R.R. Spencer, R. Gwin, R.W. Ingle, "A measurement of the Average !
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// ! Number of Prompt Neutrons from Spontaneous Fission of !
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// ! Californium-252," Nucl. Sci. Eng. 80, 603 (1982). !
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// ! J.W. Boldeman, M.G. Hines, "Prompt Neutron Emission !
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// ! Probabilities Following Spontaneous and Thermal Neutron !
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// ! Fission," Nucl. Sci. Eng., 91, 114 (1985). !
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// ! N.E. Holden, M.S. Zucker, "A Reevaluation of the Average Prompt !
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// ! Neutron Emission Multiplicity (nubar) Values from Fission of !
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// ! Uranium and Transuranium Nuclides," BNL-NCS-35513, Brookhaven !
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// ! National Laboratory). !
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// ! R.J. Howerton, et al, "The LLL Evaluated Nuclear Data Library !
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// ! (ENDL): Evaluation Techniques, Reaction Index, and Description !
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// ! of Individual Evaluations," UCRL-50400, V. 15, Part A, !
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// ! Lawrence Livermore National Laboratory (1975). !
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// ! D.E. Cullen, "Sampling ENDL Watt Fission Spectra," !
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// ! UCRL-TR-203251, Lawrence Livermore National Laboratory (2004). !
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// ! C.J. Everett, E.D. Cashwell, "A Third Monte Carlo Sampler," !
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// ! LA-9721-MS, Los Alamos National Laboratory (1983). !
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// ! D.E. Cullen, "TART 2002: A Couple Neutron-Photon 3-D, !
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// ! Combinatorial Geometry, Time Dependent Monte-Carlo Transport !
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// ! Code," UCRL-ID-126455, Rev. 4, Lawrence Livermore National !
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// ! Laboratory (2003). !
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// ! W. Mannhart, "Evaluation of the Cf-252 Fission Neutron Spectrum !
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// ! Between 0 MeV and 20 MeV," Proc. Advisory Group Mtg. Neutron !
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// ! Sources, Leningrad, USSR, 1986 (IAEA-TECDOC-410), Vienna !
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// ! (1987). !
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// ! D.G. Madland, J.R. Nix, "Prompt Fission Neutron Spectra and !
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// ! Average Prompt Neutron Multiplicities,"NEANDC Specialist's !
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// ! Meeting on Yields and Decay Data of Fission Products, !
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// ! Brookhaven National Laboratory, BNL 51778 (1984). !
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// ! F.H. Froehner, "Evaluation of Cf-252 Prompt Fission Neutron Data !
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// ! from 0 to 20 MeV by Watt Spectrum Fit," Nucl. Sci. Eng. 106, !
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// ! 345 (1990). !
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// ! G.S. Brunson, Jr., "Multiplicity and Correlated Energy of Gamma !
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// ! Rays Emitted in the Spontaneous Fission of Californium-252," !
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// ! Ph.D. Thesis, University of Utah (1982). !
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// ! T.E. Valentine, "Evaluation of Prompt Fission Gamma Rays for Use !
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// ! in Simulating Nuclear Safeguard Measurements," Ann. Nucl. !
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// ! Eng., 28, 191 (2001). !
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// ! C. Wagemans, "The Nuclear Fission Process," CRC Press, Inc., Boca!
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// ! Raton, Florida (1991). !
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// ! F.C. Maienschein, R.W. Peelle, T.A. Love, Neutron Phys. Ann. !
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// ! Prog. Rep. for Sept. 1, 1958, ORNL-2609, Oak Ridge National !
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// ! Laboratory (1958). !
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// ! "Fundamental Aspects of Reactor Shielding," Addison-Wesley !
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// ! Publishing Company, Inc. Reading, Massachussetts (1959). !
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// ! !
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// ********************************************************************
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//
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// Hadronic Process: High Precision low E neutron tracking
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// original by J.M. Verbeke, LLNL, 5-Jan-07
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// Builds and has the Cross-section data for one material.
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#ifndef G4FissLib_h
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#define G4FissLib_h 1
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// Class Description
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// Final state production model for a high precision (based on evaluated data
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// libraries) description of neutron induced fission below 10 MeV.
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// Note that this model (by intent of avoiding the possibility of heating studies) does
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// not provide the nuclear fragments.
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//
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// To be used in your physics list in case you need this physics.
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// In this case you want to register an object of this class with
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// the corresponding process.
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// Class Description - End
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#include "globals.hh"
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#include "G4ParticleHPChannel.hh"
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#include "G4HadronicInteraction.hh"
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#include "G4ParticleHPThermalBoost.hh"
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#include "G4FissionLibrary.hh"
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// #include "G4FissLib.hh"
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class G4FissLib : public G4HadronicInteraction
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{
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public:
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G4FissLib();
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~G4FissLib();
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G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
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G4Nucleus& aTargetNucleus);
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const std::pair<G4double, G4double> GetFatalEnergyCheckLevels() const;
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private:
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G4FissionLibrary theLibrary;
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private:
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G4double* xSec;
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G4ParticleHPChannel* theFission;
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G4String dirName;
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std::size_t numEle;
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};
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#endif
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