Gabriele Cosmo
437 lines
19 KiB
Plaintext
437 lines
19 KiB
Plaintext
# Category hadr-qgsm History
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See `CONTRIBUTING.rst` for details of **required** info/format for each entry,
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which **must** added in reverse chronological order (newest at the top).
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It must **not** be used as a substitute for writing good git commit messages!
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-------------------------------------------------------------------------------
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## 2025-12-23 Vladimir Ivanchenko (hadr-qgsm-V11-03-00)
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- G4GammaParticipants, G4QGSParticipants, G4QGSMSplitableHadron - added
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G4HadronicException header.
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## 2023-03-09 Vladimir Ivanchenko (hadr-qgsm-V11-01-01)
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- G4BaryonSplitter, G4MesonSplitter, G4QGSMSplittableHadron, G4SPBaryon -
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attempt make code more uniform in order to reduce probability of warnings
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observed in CMS, when LTO option is enabled
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## 2023-02-06 Gabriele Cosmo (hadr-qgsm-V11-01-00)
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- Fixed potential uninitialised variables in G4QGSMSplitableHadron::GetValenceQuarkFlavors().
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## 2022-10-07 Gabriele Cosmo (hadr-qgsm-V11-00-03)
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- Fixed compilation warning on Intel/icx compiler for variables set
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but not used in G4QGSMSplitableHadron and G4QGSParticipants.
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## 2022-05-06 Vladimir Ivanchenko (hadr-qgsm-V11-00-02)
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- G4QGSParticipants - do not print warning in the case of precision loss;
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a confusing exception message was observed in CMS simulation, the problem
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happens in high energy gamma-nuclear interaction
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## 2022-02-09 Gabriele Cosmo (hadr-qgsm-V11-00-01)
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- Fixed compilation warning on Intel compilers for unused variables.
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## 2021-12-10 Ben Morgan (hadr-qgsm-V11-00-00)
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- Change to new Markdown History format.
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---
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# History entries prior to 11.0
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13-Jul-2021 Alberto Ribon (hadr-qgsm-V10-07-02)
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- G4QGSParticipants : improved initialization in the constructors,
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as suggested by Coverity.
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16-Apr-2021 Ben Morgan (hadr-qgsm-V10-07-01)
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- Migrate build to modular CMake API
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13-Apr-2021 A. Ribon (hadr-qgsm-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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17-Oct-2020 V.Ivanchenko (hadr-qgsm-V10-06-06)
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- G4QGSParticipants - added protection for G4Exp (fixing outstanding
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precision lost in gamma+proton interactions)
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28-Jul-2020 A. Ribon (hadr-qgsm-V10-06-05)
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- G4BaryonSplitter : removed inexisting in Geant4 excited hyperon states
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(Sigma* and Xi*).
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24-Jul-2020 A. Ribon (hadr-qgsm-V10-06-04)
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- G4BaryonSplitter, G4SPBaryon : extension to charmed and bottom
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baryons and anti-baryons.
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- G4SingleDiffractiveExcitation, G4QGSDiffractiveExcitation,
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G4QuarkExchange : in the ExciteParticipants method of these classe,
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extension to charmed and bottom hadrons by assuming a minimum
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projectile diffractive mass equal to the PDG mass plus 250 MeV;
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in G4QuarkExchange, assumed also 50% for the probability of
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projectile diffraction.
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- G4Reggeons : in the constructor, replaced Omega_cc (PDG code 4432)
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with Omega_c (PDG code 4332); added comments.
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06-Jul-2020 A. Ribon (hadr-qgsm-V10-06-03)
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- G4QGSParticipants : rolled back the change in the average
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transverse momentum of partons in a hadron.
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10-Jun-2020 A. Ribon (hadr-qgsm-V10-06-02)
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Two, unrelated changes made by Vladimir Uzhinsky :
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- G4QuarkExchange : improved treatment of antibaryon interactions in QGS.
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The reggeon exchanges are now treated as annihilation and creation of
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quark-antiquark pairs (to reflect in inelastic processes the non-vacuum
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reggeon exchanges present in antiparticle-particle elastic scattering
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amplitudes).
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- G4QGSParticipants : the average transverse momentum of partons
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in a hadron is set to zero (according to the study of transverse
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momentum distributions of hadrons produced in hadronic
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interactions, in particular the study of Xf - Pt correlations
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presented by the NA49 Collaboration).
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08-Mar-2020 V.Ivanchenko (hadr-qgsm-V10-06-01)
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- G4QGSModel - clean-up: removed unused methods, delete
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operators, use C++11 keywords, moved icc implementation to src
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16-Jan-2020 A. Ribon (hadr-qgsm-V10-06-00)
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- G4SPBaryonTable : changed the return type of the method 'length()' from
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'double' to 'size_t' (to avoid warnings seen on Windows).
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19-Nov-2019 A. Ribon (hadr-qgsm-V10-05-02)
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- G4VAnnihilationCrossSection, G4AnnihilationCrossSection,
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G4GammaAnnCrossSection, G4ASCCrossSection, G4QGSMParameters :
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deleted unused classes.
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24-Oct-2019 A. Ribon (hadr-qgsm-V10-05-01)
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- G4Reggeons: Vladimir Uzhinsky extension of the class for charmed and
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bottom hadrons following ideas of Grichine's implementation of
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Glauber-Gribov heavy hadron - nucleon cross sections.
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02-Apr-2019 A. Ribon (hadr-qgsm-V10-05-00)
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- G4QGSParticipants : bug-fix (made by Vladimir Uzhinsky) in the
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computation of the transverse mass in the method
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G4QGSParticipants::DeterminePartonMomenta() .
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20-Nov-2018 A. Ribon (hadr-qgsm-V10-04-08)
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- Minor clean-up and indentation: no changes in the random sequence.
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05-Nov-2018 V. Uzhinsky (hadr-qgsm-V10-04-07)
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- Actions needed at bad situation in QGSM when it cannot generate strings
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are introduced. See "Uzhi Nov. 2018".
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25-Oct-2018 V. Uzhinsky (hadr-qgsm-V10-04-06)
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- G4Reggeons.cc : Cross sections of K-meson - nucleon interactions are
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improved. Pomeron and 2 non-vacuum exchanges are accounted. Initial
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parameters for Kaons are taken from Kaidalov's paper (1976).
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Gamma-nucleon cross sections are improved due to simple tunning of
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parameters.
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12-Oct-2018 A. Ribon (hadr-qgsm-V10-04-05)
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- G4Reggeons : Coverity fix of uninitialized variables.
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05-Feb-2018 A. Ribon (hadr-qgsm-V10-04-04)
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- G4QGSParticipants : introduced protection against negative squared mass
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in method PutOnMassShell(), which was causing some rare crashes.
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If a negative squared mass occurs, a "JustWarning" exception is thrown
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and the squared mass is set to 0, before calling the square root (which
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is now computed only once).
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18-Jan-2018 A. Ribon (hadr-qgsm-V10-04-03)
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- Proposing a new tag - although exactly the same as the previous one -
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after fixing the irreproducibility seen in gamma-nuclear (handled
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by QGS) with a tag in hadronization.
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19-Dec-2017 V. Uzhinsky (hadr-qgsm-V10-04-02)
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- Improved QGSM.
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19-Dec-2017 G. Cosmo (hadr-qgsm-V10-04-01)
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- Fixed self-consistency in G4SPPartonInfo header (missing #include).
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Thanks to Raphael Isemann for reporting this.
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07-Dec-2017 A. Ribon (hadr-qgsm-V10-04-00)
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- Brought back the development version of QGS
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(as it was in hadr-qgsm-V10-03-04).
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26-Oct-2017 A. Ribon (hadr-qgsm-V10-03-05)
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- Brought back the stable, production QGS (as in 10.3).
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27-Jun-2017 G. Folger (hadr-qgsm-V10-03-04)
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- Fixed leak in G4QGSParticipants::GetList() for targets not deleted
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after interaction.
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19-Jan-2017 A. Ribon (hadr-qgsm-V10-03-03)
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- Small fix in G4QGSParticipants to avoid a strange crash seen only
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in optimized mode (a 4-vector with negative square mass).
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14-Dec-2016 A. Ribon (hadr-qgsm-V10-03-02)
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- After the release G4 10.3, with "stable" version, this tag brings back
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the "development" version, similar (although not identical because
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of some code clean-up and a bug fix included in the (internal) tag
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hadr-qgsm-V10-03-01, see below) to G4 10.2.ref10.
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11-Nov-2016 V. Uzhinsky (hadr-qgsm-V10-03-01)
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- Bug is fixed in G4QGSParticipants with nucleon state counter (SetStatus(?)).
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02-Nov-2016 A. Ribon (hadr-qgsm-V10-03-00)
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- Fixed warning message in G4QuarkExchange .
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28-Oct-2016 A. Ribon (hadr-qgsm-V10-02-07)
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- Fixed warning message .
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27-Oct-2016 A. Ribon (hadr-qgsm-V10-02-06)
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- Fixed trivial error in source.cmake .
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27-Oct-2016 A. Ribon (hadr-qgsm-V10-02-05)
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- Fixed trivial error (forgotten deleted class) in source.cmake and
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G4QGSModel.
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27 Oct. 2016 V. Uzhinsky (hadr-qgsm-V10-02-04)
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- Essential improvement of QGSM. ======
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First of all, Pomeron parameters were set up according to A. Kaidalov and M. Poghosyan (2009-2010).
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Non-vacuum reggeons - f and omega, were included in the calculations using parameters
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by A. Kaidalov and M. Poghosyan (2009-2010).
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New class G4Reggeons was created for calculations of X-sections.
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Cutted non-vacuum regeons are interpreted as a creation of a single string, or as
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a single string creation and one "stable" hadron. Such processes are described by
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RRR diagram of Reggeon phenomenology. For implementation of the processes, a new class -
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G4QuarkExchange, was created.
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Main changes are in G4QGSParticipants.cc.
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10-20 Implementation of Quark exchange simulation.
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7-9 Oct. Creation and testing G4Reggeons.
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6 Oct. Cleaned and improved G4SingleDiffractiveExcitation.cc and G4QGSDiffractiveExcitation.
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4 Oct. G4SingleDiffractiveExcitation.cc was corrected to treat h+N and Gamma + N diffraction.
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3 Oct. G4MesonSplitter prob. UUbar DDbar (0.5, 0.5) were changed to (0.8, 0.2) for gamma projectile.
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19 Sept 2016 V. Uzhinsky (hadr-qgsm-V10-02-03)
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- Saving of the initial state of QGSM
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18 May 2016 Alberto Ribon (hadr-qgsm-V10-02-02)
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- G4PomeronCrossSection : added class originally in the management/
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directory.
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14 April 2016 Alberto Ribon (hadr-qgsm-V10-02-01)
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G4QGSMSplitableHadron : fixed bug in the case of gamma projectile
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with P_minus = 0.
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04 December 2015 Alberto Ribon (hadr-qgsm-V10-02-00)
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Resumed the tag hadr-qgsm-V10-01-14, i.e. the new QGS model.
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The files that are changed are: G4QGSDiffractiveExcitation.hh,
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G4QGSMSplitableHadron.hh, G4QGSModel.icc, G4QGSParticipants.hh,
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G4QGSMSplitableHadron.cc, G4GammaParticipants.cc, G4QGSParticipants.cc,
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G4SingleDiffractiveExcitation.cc, G4QGSDiffractiveExcitation.cc and
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G4SPBaryon.cc .
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26 October 2015 Alberto Ribon (hadr-qgsm-V10-01-16)
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After bringing the QGS string formation as it was in G4 10.1 (and before)
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in the previous tag, check of 'while' loops and deploy the
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fast math functions (G4Exp, G4Log and G4Pow).
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23 October 2015 Alberto Ribon (hadr-qgsm-V10-01-15)
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Reversed (temporarily, just for the coming release G4 10.2) the
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improvements made after 10.1.ref05, in such a way to leave the
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QGS string formation as it was in G4 10.1 (and before).
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The files that are changed are: G4QGSDiffractiveExcitation.hh,
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G4QGSMSplitableHadron.hh, G4QGSModel.icc, G4QGSParticipants.hh,
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G4QGSMSplitableHadron.cc, G4GammaParticipants.cc, G4QGSParticipants.cc,
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G4SingleDiffractiveExcitation.cc, G4QGSDiffractiveExcitation.cc and
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G4SPBaryon.cc .
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After the release G4 10.2, the tag hadr-qgsm-V10-01-14 will be resumed.
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13 August 2015 Alberto Ribon (hadr-qgsm-V10-01-14)
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G4GammaParticipants, G4QGSParticipants : Coverity fixes.
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07 August 2015 Alberto Ribon (hadr-qgsm-V10-01-13)
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G4QGSModel, G4QGSMSplitableHadron, G4GammaParticipants, G4QGSParticipants,
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G4SingleDiffractiveExcitation and G4QGSDiffractiveExcitation :
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checking of 'while' loops.
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05 August 2015 Alberto Ribon (hadr-qgsm-V10-01-12)
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G4ASCCrossSection, G4QGSMSplitableHadron, G4QGSParticipants,
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G4SingleDiffractiveExcitation and G4QGSDiffractiveExcitation:
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replaced std::exp, std::log and std::pow with the faster
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G4Exp, G4Log and G4Pow, respectively.
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This changes the random number sequence.
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12 June 2015 Alberto Ribon (hadr-qgsm-V10-01-11)
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G4QGSParticipants: fixed a memory leak.
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10 June 2015 Alberto Ribon (hadr-qgsm-V10-01-10)
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G4QGSParticipants: commented one forgotten debugging print out statement.
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4 June 2015 V. Uzhinsky (hadr-qgsm-V10-01-09)
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G4QGSMSplitableHadron - iterator deque used as data member is
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replaced by "unsigned int" data member. I hope it avoid segmentation
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fault.
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28 May 2015 Alberto Ribon (hadr-qgsm-V10-01-08)
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G4QGSParticipants : improved the kinematics treatment in the method
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SamplingNucleonKinematics.
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27 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-07)
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A bug lead to Segmentation fault is erased. It was connected with G4Nucleus -> GetNextNucleon()
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used at gamma projectile which gave pointer outside nucleon vector.
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After that wrong counting of see parton pairs was obtained, and at iteration of the partons
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GetNextParton went out of the parton vector.
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The changes are:
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G4VSplitableHadron* G4GammaParticipants::SelectInteractions
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theNucleus->StartLoop();
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G4Nucleon * pNucleon =0; // theNucleus->GetNextNucleon(); // Uzhi 27.05.2015
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while( (pNucleon = theNucleus->GetNextNucleon()) )
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....
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22 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-06)
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A bug is fixed for gamma projectile. In G4QGSParticipants::BuildInteractions
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for gamma instead of GetList SelectInteractions(theProjectile) is called.
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21 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-05)
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Class G4GammaParticipants is adjusted to new QGSM.
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20 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-04)
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A bug is fixed in G4QGSParticipants for gamma projectile.
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19 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-03)
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To avoid double deletion erasing of TheInvolvedNucleonsOfTarget and
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TheInvolvedNucleonsOfProjectile was closed in G4QGSParticipants::~G4QGSParticipants().
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15 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-02)
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A bug was erased in G4SPBaryon.cc: setting of Delta0 isobar splitting
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into quark and diquark was wring.
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Energy-momentum conservation was improved, especially in the case when
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diffraction interactions happend.
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12 May 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-01)
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Bug is erased with double delition of splitable hadrons.
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30 April 2015 Vladimir Uzhinsky (hadr-qgsm-V10-01-00)
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- Essential improvement of QGSM:
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Reggeon cascading was implemented.
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"Fermi motion" connected with the reggeon cascading was implemented.
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New algorithm of parton kinematical properties determination was implemented.
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Calculation of residual nucleus properties was implemented.
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Most of the changes were made in G4QGSParticipants.cc
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02 May 2013 Alberto Ribon (hadr-qgsm-V09-06-00)
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--------------------------------------------------
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- For thread safety, replaced CLHEP::RandFlat with G4RandFlat in
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G4QGSMSplitableHadron.cc.
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20 November 2012 V. Uzhinsky (hadr-qgsm-V09-05-04)
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--------------------------------------------------
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- An interface for a manipulation with nucleus-nucleus interactions was
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introduced, especially for treating remnants of projectile nuclei.
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27 September 2012, Gabriele Cosmo
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--------------------------------------------------
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- Explicitly use inclusion of headers for system of units and physical
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constants, in plan to remove implicit inclusion from globals.hh.
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17 June 2012, Gunter Folger (hadr-qgsm-V09-05-03)
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--------------------------------------------------
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- Fixes for coverity in G4QGSModel concerning copy ctor and operator = .
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12 June 2012, Gunter Folger (hadr-qgsm-V09-05-02)
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--------------------------------------------------
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- Correct shadowing warnings
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31 May 2012, Gunter Folger (hadr-qgsm-V09-05-01)
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--------------------------------------------------
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- Improve indentation;
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- make copy ctor, =, ==, != operators private without implementation
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25 May 2012, Gunter Folger (hadr-qgsm-V09-05-00)
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--------------------------------------------------
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- Add ModelDescription() to QGS
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5 Aug 2011, M. Kelsey (hadr-qgsm-V09-04-04)
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-----------------------------------------------------
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- G4GammaParticipants.cc: Follow change in return value of
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G4V3DNucleus::GetNucleons(), use const_cast<> to allow setting Hit().
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- G4QGSParticipants.hh: Add G4V3DNucleus.hh (should move implementations to
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.cc file).
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Requires consistent changes in other packages:
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hadr-modman-V09-04-01
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hadr-mod-util-V09-04-02
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had-partonstring-mgt-V09-04-01
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hadr-qgsm-V09-04-04
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had-theo-HE-V09-04-01
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14 Jul 2011, G.Folger (hadr-qgsm-V09-04-03)
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-----------------------------------------------------
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- Fix coverity warnings in G4QGSParticipants.cc and G4SPBaryon.cc
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(none was a real problem)
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01 Jun 2011, G.Folger (hadr-qgsm-V09-04-02)
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-----------------------------------------------------
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- G4QGSParticipants: reduce energy of participant nucleons by binding energy.
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This increases excitation energy, as calculated by initial-final. Without
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this, excitation E often is close to 0, or negative.
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01 Jun 2011, G.Folger (hadr-qgsm-V09-04-01)
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-----------------------------------------------------
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- Fix compilation warnings, gcc4.6, on alost unused variables. Move
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"debug" variables into #ifdef
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17 Mar 2011, G.Folger (hadr-qgsm-V09-04-00)
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-----------------------------------------------------
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- set limits for E/p checking
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8 Sep 2010, G.Folger (hadr-qgsm-V09-03-01)
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-----------------------------------------------------
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- G4QGSModel.icc: use integer (A,Z) interface of nucleus
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12-Mar-2010, G.Folger (hadr-qgsm-V09-03-00)
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- remove G4PartonStringAnnihilator.{hh,cc} not used anywhere
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19 May 2009, G.Folger (hadr-qgsm-V09-02-02)
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-----------------------------------------------------
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- fix in G4SPBaryon: for antibaryon, a diquark & quark was given instead of
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anti-diquark & antiquark; note the reverse order, too.
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Fixes problems with incident anti baryons, e.g. antiproton, manifesting
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in problems with forming hadrons.
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29 Apr 2009 m. Kosov (hadr-qgsm-V09-02-01)
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------------------------------------------------
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Very important bug fix in G4QGSParticipants.cc to let QGSC working from E=0
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Added by GF (19-May-09):
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- this very important "bug" fix modifies G4G4QGSParticipants.cc and
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G4GammaParticipants.cc:
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changing the value of Threshold from 0.45 GeV to 0.GeV,
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and disables an Exception if s < sqr(total mass + Threshold)
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15 Sep 2008 G.Folger (hadr-qgsm-V09-01-01)
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------------------------------------------------
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- Fix for bug found on windows in G4QGSParticipants.cc, bug 1018:
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decrement of iterator fails, improve logic to not decrement.
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31 Mar 2008 Dennis Wright (hadr-qgsm-V09-01-00)
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-----------------------------------------------
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- fix gcc-4.3 compiler warnings at lines 293, 395 of G4QGSMSplittableHadron.cc
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24 Apr 2007 Gunter Folger (hadr-qgsm-V08-02-02)
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------------------------------------------------
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- merge in change done by ftf dev; ie. in G4QGSParticipants, theDiffExcitaton
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is constructed with default arguments.
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25 Jan 2007 Gunter Folger (hadr-qgsm-V08-02-01)
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------------------------------------------------
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- G4SoftStringBuilder.cc: Correct typo in #ifdef
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24 Jan 2007 Gunter Folger (hadr-qgsm-V08-02-00)
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------------------------------------------------
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- Correct E-p non-conservation in QGS. In 4QGSMSplitableHadron.cc the smaller
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of the lightcone momenta Q+/Q- was ignored.
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- G4QGSMSplitableHadron correct divide by 0 in SampleX()
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- Add debugging output to several classes
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30 Nov 2005 Gabriele Cosmo (hadr-qgsm-V07-01-00)
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-----------------------------------------------
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- Trivial fix in G4QGSParticipants and for support of CLHEP-2.0.X series.
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- Created History file.
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