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changelog.txt
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changelog.txt
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This is the changelog of the Lilith library.
For the changelog of the database of experimental results, see data/changelog
** Feb. 14, 2015: v1.1, first official release
** Mar. 10, 2015: v1.1.1, correction of a minor bug in the Lilith C API
(the Python Lilith library was not found depending on
the location of the main source file)
** Apr. 14, 2015: v1.1.2, list of possible final states and reduced couplings
supplemented by muon-muon
** Aug. 11, 2015: v1.1.3
* File containing the bibtex references to the latest experimental
results added; data/latest-references.txt
* Common coupling "ll" grouping both "mumu" and "tautau" added
* Correction of a bug in the reduced coupling mode that made the
the use of the "ZH" and "WH" couplings not possible
* Correction of a bug that made the code exit in the case that both
the "LO" and "BEST-QCD" precisions were used in a single run in the
reduced couplings mode, thanks to Sushruth Malaridharan
** May, 2017: v1.1.4
* Internal modifications for the interface to micrOMEGAs 4.3.1
(Lilith≥1.1.4 can be directly used in micrOMEGAs≥4.3.1, see arXiv:1606.03834)
* 2HDM fit routine added in examples/python
* 13 TeV results supported (form factors, cross sections grids implemented)
** June, 2019: v2.0 by Sabine Kraml, Tran Quang Loc, Dao Thi Nhung and Le Duc Ninh
code:
* extended likelihood calculation by variable Gaussian and generalized Poisson dist.
* added use of N-dim correlation matrices (for Gaussian or variable Gaussian approx.)
* added tH production mode and top = ttH+tH category
* added gg -> VH for VH production mode
* added bbH production mode (but no experimental data available so far)
* added tHq_tHW_ttH and WH_qqZH_ggZH_VBF xsection grids
* corrected a minor bug (prod == prod + "13") in computelikelihood.py
* corrected a bug in writeresults() with XML format (case dim = 2)
* fixed a minor bug in writeresults() with SLHA format
* updated and improved python code examples
database:
* updated database to 36fb-1 Run 2 results, see data/changelog.txt
** Dec, 2020: v2.1 by Marius Bertrand, Sabine Kraml, Tran Quang Loc, Dao Thi Nhung and Le Duc Ninh
code:
* code translated from Python 2 to Python 3
* examples adapted to work with new iminuit 2.x series as well as iminuit 1.x
database:
* HIGG-2018-54_VBF_invisible_f.xml extended for correct extrapolation
** Dec 31, 2020:
* added "Variable Gaussian 1" (see Barlow arXiv:physics/0406120v1, Eq. 15) as type vn1
* added abs() to the denominator of Variable Gaussian 2 (type vn) to force LogL negative
(this is to avoid numerical issue with sqrt() of the denominator)
** work in progress: adding theory uncertainties with their correlations