Version 2.1.0 (Mar 2023)
- phase space parameterization has been improved and the format changed
- grid run times have been increased in certain cases when needed
- default settings in input files have been updated
- major fixes for NLO gg contribution (stability in real and scale in virtual)
- some fixes have been implemented for the calculation of power corrections
- fixed bug in result combination for the last multiplicative QCD-EW combination (NNLOqq.QCDxNLOqq.EW+NLOa+NLOgg)
- fixed bug in multicore mode
- allowing LHAPDF_PATH to be colon separated
- switched completely to TSV scale variation (CV scale variation deprecated)
- some changes in default output format (due to using TSV scale variation)
- fixed double-differential distributions (now example file for each process)
- removed pause in code (user interaction required) when runnning with continue
- Python 3 compatibility fully tested
- updated supplementary manual of MATRIX version 2 with all features of v2.1
Version 2.1.0.beta2 (Jul 2022)
- fixed bug in local runs/result combination due to decoding in python2
- fixed problem in runtime extrapolation for power corrections
- added transverse mass cut to off-shell charged-current Drell-Yan
- added extra lepton rapidity cuts for neutral-current Drell-Yan
Version 2.1.0.beta1 (Mar 2022)
- added triphoton (ppaaa03) and top-quark pair (ppttx20) production
- included linear power corrections through recoil (switch in input)
- included bin-wise extrapolation of rcut (switch in input)
- included TSV scale variation (needed for last two features; will replace CV scale variation in future)
- added double-differential distributions (dddistribution.dat), not working with TSV (yet)
- Python 3 compatibility added (not fully tested in all parts of the code)
Version 2.0.1 (Feb 2022)
- fixed bug in photon recombination that affected leptons with a rapidity above 3
Version 2.0.0 (Jun 2021)
- First MATRIX version 2 release.
- added NLO EW corrections for DY and and massive diboson processes
- added NLO gg corrections for ZZ and WW processes
- new inputs for NLO EW, NLO gg (switches, photon recombination, ...)
- 2 approximations implemented for CKM treatment in EW corrections to DY
- various matching schemes of EW and QCD corrections implemented
- using only additive matching when LO vanishes
- new syntax for directly adding fiducial cuts in parameter.dat
- implemented option to enhance statistics in tail of distributions
- restructured large parts of C++ code
- improved generation of integration grids and fixed remaining inefficiencies
- restructured some parts of phython scripts (result combination, result output, ...)
- added possibility to run on local scratch of the nodes on a cluster
- some bug fixes
- supplementary manual describes features of MATRIX version 2 (with reference results)
MATRIX version 1
Version 1.0.5 (Nov 2020)
- version corresponding to MATRIX+RadISH release v1.0.1 (no actual fixes/updates; only added a couple of cuts)
Version 1.0.4 (Jun 2020)
- version corresponding to MATRIX+RadISH release v1.0.0
- added missing scale for ppeeexex04 and ppemexmx04
- added new cuts for ppeexa03 corresponding to ne ATLAS analysis
- modified MATRIX logo
- removed unneccessary muon cuts from WZ
Version 1.0.3 (Apr 2019)
- adapted OpenLoops amplitude download to their new library names
Version 1.0.2 (Nov 2018)
- adapted OpenLoops download to their new git repository
- fixed Problem in the newest OpenLoops version with quad precision
Version 1.0.1 (June 2018)
- fixed bug on mac for openloops.cfg
- fixed typo/bug in ppemxnmnex04 (WW DF) input replacing "lep"-->"e"
- fixed bug when doing only NNLO run and loop-induced that not NLO+gg distributions are generated
- fixed bug when cluster submission ID not readable to retry
- fixed outdated particle used in arXiv distribution.dat of SF WZ
- added extra inputs used for result in papers into arXiv folders
- updated references in CITATION.bib file (ZZ 2l2nu/4l paper added)
- updated inputs for ZZ/WW->2l2nu processes
- updated manual accordingly
- updated manual to include final changes of journal publication
Version 1.0.0 (November 2017)
- First MATRIX release version.