Downloads¶
There is a release branch for every release which includes backports of bugfixes but keeps the api stable. You may acquire it by the means of:
git clone -b rel-a-b-c https://gitlab.com/sherpa-team/sherpa.git
where a, b, and c correspond to the version number
a.b.c.
The following is autogenerated from our gitlab tags.
Sherpa 2.2.15¶
Version 2.2.15 contains a bug fix
for fixed-order NLO results (enabled using QCD_NLO_Mode: Fixed_Order),
and we encourage all users to update to this version.
If you spot any problem, please send us an email. If you would like to be informed about newer releases, please subscribe to our announcement mailing list.
Download¶
The Sherpa package can be downloaded here: SHERPA-MC-2.2.15.tar.gz
In can also be accessed via git in the web interface:
v2.2.15 as tag matching the release tarball
rel-2.2.15 as maintenance branch including potential further patches
or cloned into a local working copy:
git clone -b rel-2.2.15 https://gitlab.com/sherpa-team/sherpa.git
A Manual can be found online and in the Manual/ directory of the source. It is available in the HTML and INFO format and provides extensive documentation of all parameters.
Changelog¶
2.2.15 fixed a bug introduced in 2.2.11 which affects physics results for fixed-order NLO calculations (enabled using
QCD_NLO_Mode: Fixed_Order), see #457.
Known issues¶
None at the point of the release, but see our issue tracker for up-to-date information
References¶
The main reference for Sherpa 2.2.x is
arXiv:1905.09127.
Please cite this publication if you have used Sherpa 2.2.x for your studies.
Additionally, each run will produce a file called Sherpa_References.tex which
contains information about the modules used in this run and the corresponding
publications which should be referred. If in doubt, please seek the advice of
the Sherpa authors.
Examples¶
You can find a large collection of example setups for using SHERPA in various
different colliders/processes in the Examples/ directory of the tarball. They
are also described in the manual.
Sherpa 2.2.12¶
Sherpa 3.0.0alpha1¶
Sherpa 2.2.11 ¶
Sherpa 2.2.10 ¶
Sherpa 2.2.9 ¶
Sherpa 2.0.0 (Annapurna) ¶
Version 2.0.0 is the first NLO version of Sherpa. The main new feature compared to the 1.4.x series is the introduction of MEPS@NLO merging. This release improves upon the previous beta series by an extension of its physics capabilities and an extensive validation of all features already present in the 1.4.x series.
Sherpa 2.2.8 ¶
Sherpa 1.1.0 ¶
Version 1.1.0 includes all bugfixes for previous versions as well as new features.
Sherpa 1.1.1 ¶
Version 1.1.1 includes all bugfixes for previous versions as well as new ones.
Sherpa 1.1.2 ¶
Version 1.1.2 includes all bugfixes for previous versions as well as new ones.
Sherpa 1.1.3 ¶
Version 1.1.3 includes all bugfixes for previous versions as well as new ones.
Sherpa 1.2.0 ¶
Version 1.2.0 is a major update of Sherpa which contains many physics improvements and also some minor user interface changes. Correspondingly, the input structure has been improved.
Sherpa 1.2.1 ¶
Version 1.2.1 is an update of Sherpa which contains many physics improvements and bugfixes.
Sherpa 1.2.2 ¶
Version 1.2.2 is an update of Sherpa which contains mainly bugfixes.
Sherpa 1.2.3 ¶
Version 1.2.3 is an update of Sherpa which contains bugfixes and new features.
Sherpa 1.3.0 ¶
Version 1.3.0 is an update of Sherpa which contains bugfixes and new features.
Sherpa 1.3.1 ¶
Version 1.3.1 is a bugfix update of Sherpa which does not contain new features.
Sherpa 1.4.0 ¶
Version 1.4.0 is a major update of Sherpa which contains several new features.
Sherpa 1.4.1 ¶
Version 1.4.1 is a bugfix release of Sherpa which does not contain any new features compared to 1.4.0.
Sherpa 1.4.2 ¶
Version 1.4.2 is a convenience and bugfix release of Sherpa. The main new feature compared to 1.4.1 is the introduction of the TUNE parameter which can be set to NNPDF23, NNPDF23_UEup, NNPDF23_UEdown, CT10, CT10_UEup, and CT10_UEdown. The CT10 option is the default setting (no change to 1.4.1), NNPDF23 provides settings for NNPDF 2.3, and the UEup and UEdown variants change the underlying event activity by +/-10%.
Sherpa 1.4.3 ¶
Version 1.4.3 is a convenience and bugfix release of Sherpa.
Sherpa 2.1.0 (Broad Peak) ¶
Version 2.1.0 is the second NLO version of Sherpa. The main new feature compared to the 2.0.x series is the automated simulation of spin-correlated decay chains. Additionally, Comix may be used for simulating H events in MC@NLO, which speeds up initialization times and runtimes. This release improves upon the previous series by an extension of its physics capabilities and an extensive validation of all features already present in the 2.0.x series.
Sherpa 2.1.1 (Broad Peak) ¶
Version 2.1.1 is a bugfix-release based on the second NLO version of Sherpa. A description of the issues which have been addressed can be found below. Additionally, the simulation of DIS at ep colliders has been re-validated.
Sherpa 2.2.0 (Cho Oyu) ¶
Version 2.2.0 is a feature-release based on the second NLO version of Sherpa. The program now supports the UFO model format, it allows to compute scale uncertainties for one and the same event sample on-the-fly, and it hosts a new parton shower.
Sherpa 2.2.1 (Cho Oyu) ¶
Version 2.2.1 is a feature-release based on the second NLO version of Sherpa. The program now allows to compute scale uncertainties for one and the same event sample on-the-fly in all types of simulation setups. There are no physics changes in this release, so events generated with the same run card should be identical to the ones in 2.2.0. A more detailed changelog can be found below.
Sherpa 2.2.3 (Cho Oyu) ¶
Version 2.2.3 is a bugfix release and adds the support of the Recola one-loop generator.
