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Gabriele Cosmo
2022-07-01 10:44:02 +02:00
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source/processes/hadronic/models/parton_string/hadronization/History
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# Category had-hadronization History
==========================================================
Geant4 - an Object-Oriented Toolkit for Physics Simulation
==========================================================
See `CONTRIBUTING.rst` for details of **required** info/format for each entry,
which **must** added in reverse chronological order (newest at the top). It must **not**
be used as a substitute for writing good git commit messages!
History file for hadronic/models/parton_string/hadronization directory
-------------------------------------------------------------
## 2022-06-07 Alberto Ribon (had-hadronization-V11-00-01)
Changes made by Vladimir Uzhinsky:
- G4HadronBuilder : a new argument is added in the constructor, and
a new data member is added to the class.
This is needed to set a special mixing of pseudo-scalar and vector mesons
for s-sbar mesons. This is introduced to describe phi-meson production
in proton-proton interactions measured by NA61/SHINE.
- G4VLongitudinalStringDecay : the probability of pseudo-scalar meson
production has been tuned to describe K*0 meson production in
proton-proton interactions according to NA61/SHINE data.
Moreover, a new parameter (probability of pseudo-scalar meson production
in s-sbar mesons) is introduced to increase the phi-meson
yield in proton-proton interactions.
Fixed also a bug in mixing eta_prime and phi mesons in the quark systems
d-dbar, u-ubar and s-sbar.
- G4LundStringFragmentation : few changes were introduced for a special
treatment of the last string decay in the case of ss-q or ss-qq,
ss-sbar sbar last string decay. This improves the yield of anti-Xi
hyperons in proton-proton interactions according to the NA61/SHINE data.
This file should be used to summarize modifications introduced in the
code and to keep track of all tags.
## 2021-12-10 Ben Morgan (had-hadronization-V11-00-00)
- Change to new Markdown History format
---------------------------------------------------------------
* Please list in reverse chronological order (last date on top)
---------------------------------------------------------------
---
# History entries prior to 11.0
16-Apr-2021 B. Morgan (had-hadronization-V10-07-01)
- Migrate build to modular CMake API