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@@ -7,13 +7,23 @@
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History file for hadronic/models/de_excitation
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----------------------------------------------
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This file should be used to summarize modifications introduced in the
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This file should be used to summarize modifications introduced in the
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code and to keep track of all tags.
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---------------------------------------------------------------
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* Please list in reverse chronological order (last date on top)
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---------------------------------------------------------------
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16-April-2021 B. Morgan hadr-pre-V10-07-01
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- Migrate build to modular CMake API
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13-April-2021 A.Ribon hadr-pre-V10-07-00
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- GNUmakefile, sources.cmake : removed the subdirectories
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hadronic/models/management and hadronic/models/util
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(that have been now deleted, with their classes moved to
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hadronic/util and hadronic/management).
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Removed also the useless dependency to hadronic/process.
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22-August-2019 V.Ivanchenko hadr-pre-V10-05-03
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- G4PreCompoundModel: remove added warning instead send highly excited
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fragment to de-excitation module, where similar warning exists;
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@@ -21,7 +31,7 @@ code and to keep track of all tags.
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14-August-2019 V.Ivanchenko hadr-pre-V10-05-02
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- G4PreCompoundModel: added check on excitation energy per nucleon
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for initial fragment (30 MeV) and issue warning
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for initial fragment (30 MeV) and issue warning
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16-May-2019 V.Ivanchenko hadr-pre-V10-05-01
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- G4LowEGammaNuclearModel - new model based on pre-compound de-excitation
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@@ -35,8 +45,8 @@ code and to keep track of all tags.
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- G4PreCompoundModel: fixed printout typos.
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18-Oct-2018 V.Ivanchenko hadr-pre-V10-04-01
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- G4VPreCompoundFragment, G4HETCChargedFragment, G4HETCFragment,
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G4HETCNeutron, G4PreCompoundFragment, G4PreCompoundIon,
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- G4VPreCompoundFragment, G4HETCChargedFragment, G4HETCFragment,
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G4HETCNeutron, G4PreCompoundFragment, G4PreCompoundIon,
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G4PreCompoundNucleon, G4PreCompoundModel, G4PreCompoundEmission,
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G4PreCompoundTransitions, G4GNASHTransitions - updaed usage
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of level density parameterisation according de-excitation
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@@ -68,13 +78,13 @@ code and to keep track of all tags.
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19-Oct-2016 V.Ivanchenko hadr-pre-V10-02-08
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- G4PreCompoundEmission, G4VPreCompoundFragment, G4HETCFragment,
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G4PreCompoundIon, G4PreCompoundNucleon - changed identificator
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G4PreCompoundIon, G4PreCompoundNucleon - changed identificator
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names in order to have more clean code
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11-Oct-2016 V.Ivanchenko hadr-pre-V10-02-07
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- G4VPreCompoundFragment, G4PreCompoundEmission, G4PreCompoundFragment,
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G4PreCompoundNucleon - use Coulomb barrier from standard
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parametersation instead of hard-coded one in computation of
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G4PreCompoundNucleon - use Coulomb barrier from standard
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parametersation instead of hard-coded one in computation of
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probability of a fragment emission
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23-Apr-2016 V.Ivanchenko hadr-pre-V10-02-06
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@@ -92,7 +102,7 @@ code and to keep track of all tags.
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-------------------------------------------------
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- G4GNASHTransitions, G4PreCompoundModel, G4VPreCompoundFragment,
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G4HETCFragment, G4PreCompoundIon, G4HETCChargedFragment,
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G4PreCompoundEmission, G4PreCompoundTransitions - migration from
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G4PreCompoundEmission, G4PreCompoundTransitions - migration from
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G4PreCompoundParameters to G4DeexPrecoParameters
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- G4PreCompoundParameters - removed
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@@ -129,7 +139,7 @@ code and to keep track of all tags.
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15-April-2015 V.Ivanchenko hadr-pre-V10-01-02
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-------------------------------------------------
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- G4PreCompoundTransition - extended protection against numerical
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- G4PreCompoundTransition - extended protection against numerical
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problem; use G4Log and G4Exp instead of G4Pow; cleanup sampling of
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number of charged excitons
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- G4PreCompoundModel - cleanup
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@@ -152,7 +162,7 @@ code and to keep track of all tags.
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- G4PreCompoundIon - cleanup transition probability computation
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- G4PreCompoundAlpha, G4PreCompoundHe3, G4PreCompoundTriton - fixed
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FactorialFactor method - correct denominator
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- G4PreCompoundAlpha - fixed bug #1646 - integer overflow
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- G4PreCompoundAlpha - fixed bug #1646 - integer overflow
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28-March-2014 - Gunter Folger (hadr-pre-V10-00-01)
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-----------------------------------------------------
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@@ -190,7 +200,7 @@ code and to keep track of all tags.
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14-February-2013 V.Ivanchenko hadr-pre-V09-06-00
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-------------------------------------------------
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- G4PreCompoundParameters - removed G4TreadLocal because data are not mutable
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- G4LowEIonFragmentation - moved static members to be private
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- G4LowEIonFragmentation - moved static members to be private
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- G4HETCFragment, G4GNASHTransitions use GetZ_asInt and GetA_asInt
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27-September-2012 G.Cosmo hadr-pre-V09-05-06
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@@ -212,25 +222,25 @@ code and to keep track of all tags.
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27-June-2012 V.Ivanchenko hadr-pre-V09-05-02
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-----------------------------------------------
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- G4VPreCompoundFragment - move computation of Z13 after check of
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- G4VPreCompoundFragment - move computation of Z13 after check of
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consistency - fixed rare bug for abnormal fragments
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24-April-2012 Gunter Folger hadr-pre-V09-05-01
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-----------------------------------------------
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G4PreCompoundModel - add Description() method, actual description
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from phys. ref. manual, and improved by Jose Manuel
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18-January 2012 V.Ivanchenko hadr-pre-V09-05-00
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-----------------------------------------------
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G4PreCompoundModel - added pointer to G4ExcitationHandler to the
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constructor; added deletion of G4ExcitationHandler in the destructor
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G4PreCompoundModel - added pointer to G4ExcitationHandler to the
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constructor; added deletion of G4ExcitationHandler in the destructor
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31-October 2011 V.Ivanchenko hadr-pre-V09-04-06
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20-October 2011 V.Ivanchenko hadr-pre-V09-04-05
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----------------------------------------------
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G4PreCompoundModel - set low limit for excitation 1 MeV;
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set maxZ = 3 and maxA = 5 allowing pre-compound emission
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for light fragments (old formulation of the model)
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set maxZ = 3 and maxA = 5 allowing pre-compound emission
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for light fragments (old formulation of the model)
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30-August-2011 M. Kelsey hadr-pre-V09-04-04
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----------------------------------------------
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@@ -277,7 +287,7 @@ G4PreCompoundProton, G4PreCompoundNeutron, G4PreCompoundHe3 - fixed
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28-October 2010 V.Ivanchenko hadr-pre-V09-03-13
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-------------------------------------------------
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G4PreCompoundModel - use more safe constructor of G4DynamicParticle
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G4LowEIonFragmentation - complete transition to integar Z and A,
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G4LowEIonFragmentation - complete transition to integar Z and A,
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use of updated methods for G4Fragment
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20-October 2010 V.Ivanchenko hadr-pre-V09-03-12
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@@ -304,7 +314,7 @@ G4PreCompoundTransition - fixed typo introduced in previous tag
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28-August 2010 V.Ivanchenko hadr-pre-V09-03-07
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---------------------------------------------------
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General cleaup of all classes: constructors and destructors moved to the
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General cleaup of all classes: constructors and destructors moved to the
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source, integer Z and A, G4Pow class
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is used to speedup computations
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G4PreCompoundModel - Emission and Transition classes become members created
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@@ -327,8 +337,8 @@ G4LowEIonFragmentation - (J.M.Quesada) fixed exciton state
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---------------------------------------------------
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G4PreCompoundProton, G4PreCompoundDeuteron, G4PreCompoundTriton,
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G4PreCompoundHe3, G4PreCompoundAlpha - (JMQ) return back to published
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varian of OPT3 (Kalbach) parameterization of inverse
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cross section
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varian of OPT3 (Kalbach) parameterization of inverse
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cross section
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01-March 2010 V.Ivanchenko hadr-pre-V09-03-03
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---------------------------------------------------
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@@ -336,15 +346,15 @@ G4VPreCompoundIon, G4VPreCompoundNucleon - removed dummy classes
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25-February 2010 V.Ivanchenko hadr-pre-V09-03-02
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---------------------------------------------------
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G4PreCompoundEmission - more protections for numerical computations are added
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G4PreCompoundEmission - more protections for numerical computations are added
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17-February 2010 V.Ivanchenko hadr-pre-V09-03-01
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---------------------------------------------------
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G4PreCompoundEmission - (JMQ) return back value of Ef as it was in 9.3
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G4PreCompoundEmission - (JMQ) return back value of Ef as it was in 9.3
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19-January 2010 V.Ivanchenko hadr-pre-V09-03-00
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---------------------------------------------------
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G4PreCompoundEmission - (JMQ) added protection against unphysical value of
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G4PreCompoundEmission - (JMQ) added protection against unphysical value of
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parameter "an" when exitation energy is huge
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to avoid numerical problem
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- simplified algorithm of sampling
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@@ -355,8 +365,8 @@ G4PreCompoundTransitions - return back transition probability
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19-November 2009 V.Ivanchenko hadr-pre-V09-02-06
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---------------------------------------------------
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G4PreCompoundModel - (JMQ) CEM transition probabilities are set
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as a default
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G4PreCompoundModel - (JMQ) CEM transition probabilities are set
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as a default
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G4PreCompoundTransitions - (JMQ) CEM transition probabilities have been
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renormalized (transitions with Delta N=+2
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are increased by factor 5)
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@@ -371,15 +381,15 @@ G4PrecompoundEmission - modifiy AngularDistribution() to avoid floating point
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exceptions.
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- remove calls to log in rho() replaced by use of new
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logfactorial()
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13-February 2009 V.Ivanchenko hadr-pre-V09-02-03
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---------------------------------------------------
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G4PreCompoundXXX - changed the shape of probabilities (return back to 9.2)
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G4PreCompoundXXX - changed the shape of probabilities (return back to 9.2)
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for d, t, He3, alpha (JMQ)
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12-February 2009 V.Ivanchenko hadr-pre-V09-02-02
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---------------------------------------------------
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G4PreCompoundXXX - changed the shape of probabilities
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G4PreCompoundXXX - changed the shape of probabilities
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for d, t, He3, alpha near the Coulomb barrier (JMQ)
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11-February 2009 V.Ivanchenko hadr-pre-V09-02-01
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@@ -391,17 +401,17 @@ G4PreCompoundXXX - set default Opt3 back, add decrease Coulomb barrier
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---------------------------------------------------
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Some clean up of comments
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G4PreCompoundIon - fixed probability of light ion emmision (JMQ)
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G4PreCompoundXXX - by default Opt1 is used for d, t, a, he3,
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G4PreCompoundXXX - by default Opt1 is used for d, t, a, he3,
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Opt3 for n, p (JMQ)
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09-December 2008 A.Howard hadr-pre-V09-01-15
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---------------------------------------------------
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Added protection for close to zero excitation energy in
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Added protection for close to zero excitation energy in
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G4PreCompoundModel.cc (according to JMQ, MAC) to not try to de-excite.
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09-December 2008 A.Howard hadr-pre-V09-01-14
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---------------------------------------------------
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Added protection for close to zero excitation energy in
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Added protection for close to zero excitation energy in
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G4PreCompoundTransitions.cc (returns 0.0), prevents FPE later on.
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27-November 2008 A.Howard hadr-pre-V09-01-13
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@@ -425,25 +435,25 @@ options (SICB, Never Go Back,...). In addition Gunter's fix to the factorials
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is included from hadr-pre-V09-01-09.
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Added new files: G4PreCompoundAlpha.cc G4PreCompoundDeuteron.cc
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G4PreCompoundHe3.cc G4PreCompoundNeutron.cc G4PreCompoundProton.cc
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G4PreCompoundTriton.cc (Classes previously existed. Now they have more
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G4PreCompoundTriton.cc (Classes previously existed. Now they have more
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involved cross-section calculations).
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19-September 2008 A.Howard hadr-pre-V09-01-09
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---------------------------------------------------
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Including Gunter's fix (see 11-August below) on top of ref-07
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Including Gunter's fix (see 11-August below) on top of ref-07
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(hadr-pre-V09-00-04), i.e. without JMQ's developments.
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11-August 2008 G.Folger
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11-August 2008 G.Folger
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-----------------------------------------------
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Rewrite algorithm in G4PreCompoundEmission::rho() to avoid frequent
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floating point overflow when using Precompund in combination
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with Binary Cascade.
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Rewrite algorithm in G4PreCompoundEmission::rho() to avoid frequent
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floating point overflow when using Precompund in combination
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with Binary Cascade.
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24 July 2008 J. M. Quesada hadr-pre-V09-01-08
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---------------------------------------------------
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Minor fixes and Coulomb barrier just for Wellisch's proton cross section
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(OPT=2)
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Minor fixes and Coulomb barrier just for Wellisch's proton cross section
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(OPT=2)
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23 July 2008 V.Ivanchenko hadr-pre-V09-01-07
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@@ -469,45 +479,45 @@ to 0); OPT=1 ( OPT=2 in previous tag)
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15-May 2008 J. M.Quesada hadr-pre-V09-01-03
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-----------------------------------------------
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The retrieval of transition probabilities in G4PreCompoundModel.cc
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(for protection against unphysically crossing the landa_+=landa_- condition)
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was misplaced. Now it has been placed inside the preequilibrium transitions
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loop.
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The retrieval of transition probabilities in G4PreCompoundModel.cc
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(for protection against unphysically crossing the landa_+=landa_- condition)
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was misplaced. Now it has been placed inside the preequilibrium transitions
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loop.
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8-May 2008 J. M.Quesada hadr-pre-V09-01-02
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-----------------------------------------------
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Protection against non physical situation has been set: Equilibrium exciton number
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Neq (when reached, equilibrium regime starts) should correspond to equal transition
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probabilities "back" and "forth". Nevertheless, for heavy target (Neq is big even
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for low incident energies) after first emission this condition (equal trans. prob.)
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is reached far before reaching corresponding Neq of the residual. Unless this "jump"
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to equilibrium is forced in this case, preequilibrium will be
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spuriously prolonged (as a side effect, with huge CPU consumption).
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Protection against non physical situation has been set: Equilibrium exciton number
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Neq (when reached, equilibrium regime starts) should correspond to equal transition
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probabilities "back" and "forth". Nevertheless, for heavy target (Neq is big even
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for low incident energies) after first emission this condition (equal trans. prob.)
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is reached far before reaching corresponding Neq of the residual. Unless this "jump"
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to equilibrium is forced in this case, preequilibrium will be
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spuriously prolonged (as a side effect, with huge CPU consumption).
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G4PreCompoundModel and G4PreCompoundTransitions classes have been modified.
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1-May 2008 J. M.Quesada hadr-pre-V09-01-01
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-----------------------------------------------
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- First trial with cvs. 00 skipped by mistake.
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- First trial with cvs. 00 skipped by mistake.
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New inverse cross sections:
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OPT=1 Chetterjee's parameterization to reaction cross sections from optical potential global fittings.
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OPT=2 as OPT=1 but for protons the Wellisch's parameterization for protons is used (DEFAULT)
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OPT=3 Kalbach's modifications of Chatterjee's parameterization of cross sections
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OPT=4 as OPT=3 but for protons the Wellisch's parameterization for protons is used
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Coulomb barrier has been suppressed as it enters through inverse cross sections. Also methods related to former Dostrovski's cross sections (alpha , beta and C parameters) have been suppressed. In all particle header files:
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Coulomb barrier has been suppressed as it enters through inverse cross sections. Also methods related to former Dostrovski's cross sections (alpha , beta and C parameters) have been suppressed. In all particle header files:
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G4PreCompoundNucleon.hh ,G4PreCompoundNeutron.hh,G4PreCompoundProton.hh, G4PreCompoundIon.hh, G4PreCompoundDeuteron.hh, G4PreCompoundTriton.hh ,G4PreCompoundHe3.hh , G4PreCompoundAlpha.hh
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Soft cutoff transition from equilibrium to equilibrium has been suppressed (unphysical and not necessary anymore).In G4PreCompoundModel.
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Soft cutoff transition from equilibrium to equilibrium has been suppressed (unphysical and not necessary anymore).In G4PreCompoundModel.
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New transition probabilities :
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OPT=1 Gudima's formulae
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OPT=2 Machner parameterization of matrix elements for transitions (DEFAULT)
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Level density is set to A/10 (Gudima's prescription).
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Several bugs fixed (average xs in nucleon-nucleon xs in G4PreCompundTransitions.cc and emission probability formula in G4PreCompoundIon.cc ) .
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Level density is set to A/10 (Gudima's prescription).
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Several bugs fixed (average xs in nucleon-nucleon xs in G4PreCompundTransitions.cc and emission probability formula in G4PreCompoundIon.cc ) .
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25-October 2007 A.Howard hadr-pre-V09-00-04
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-----------------------------------------------
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@@ -516,7 +526,7 @@ Several bugs fixed (average xs in nucleon-nucleon xs in G4PreCompundTransitions.
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11-October 2007 A.Howard hadr-pre-V09-00-03
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-----------------------------------------------
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- Corrected for integer arithmetic bug in G4PreCompoundModel.cc
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- Corrected for integer arithmetic bug in G4PreCompoundModel.cc
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(ratio of charged to neutral excitons)
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@@ -524,14 +534,14 @@ Several bugs fixed (average xs in nucleon-nucleon xs in G4PreCompundTransitions.
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-----------------------------------------------
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- Protected Rj (Q_beta) factor against divide by zeroes (should never happen?)
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The following files have been modified:
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G4PreCompoundAlpha.hh, G4PreCompoundDeuteron.hh, G4PreCompoundHe3.hh,
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G4PreCompoundAlpha.hh, G4PreCompoundDeuteron.hh, G4PreCompoundHe3.hh,
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G4PreCompoundTriton.hh, G4PreCompoundNeutron.hh, G4PreCompoundProton.hh
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23-August 2007 A.Howard hadr-pre-V09-00-01
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----------------------------------------------
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- Development tag incorporating further suggestions/corrections from
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Jose-Manuel Quesada particularly with respect to light ion production.
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- Development tag incorporating further suggestions/corrections from
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Jose-Manuel Quesada particularly with respect to light ion production.
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The following files have been modified:
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G4PreCompoundIon.cc, G4PreCompoundDeuteron.hh, G4PreCompoundHe3.hh,
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G4PreCompoundTriton.hh, G4PreCompoundAlpha.hh, G4PreCompoundIon.hh,
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@@ -550,7 +560,7 @@ Several bugs fixed (average xs in nucleon-nucleon xs in G4PreCompundTransitions.
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G4VPreCompoundFragment.cc, G4PreCompoundTransitions.cc,
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G4PreCompoundNucleon.cc, G4VPreCompoundNucleon.cc
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The main changes are:
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- introducing an Rj factor into the probability calculation,
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- introducing an Rj factor into the probability calculation,
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- correcting the units for the Pauli Blocking Factor - missing a g factor,
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- decreasing the number of charged particles if the number excitons is
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decreased (previously this number was only increased with increasing
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@@ -564,8 +574,8 @@ Several bugs fixed (average xs in nucleon-nucleon xs in G4PreCompundTransitions.
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19 Aug 2006 Dennis Wright (hadr-pre-V08-01-00)
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----------------------------------------------
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- exciton_model
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G4VPreCompoundFragment.hh, .icc : remove meaningless const from
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G4VPreCompoundFragment.hh, .icc : remove meaningless const from
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methods GetA, GetZ, GetRestA, GetRestZ, GetCoulombBarrier, GetBindingEnergy,
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GetMaximalKineticEnergy, GetEnergyThreshold, GetEmissionProbability,
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GetMaximalKineticEnergy, GetEnergyThreshold, GetEmissionProbability,
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GetNuclearMass, GetRestNuclearMass and GetReducedMass
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Gabriele Cosmo