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What's New

What's New

The major novelties of all releases since v1.0 are as follows:

New in Version 2.3.3:

  • added resummino cross section <xsecResummino> computer
  • fixed bug in computation of error on muhat, for pyhf likelihoods (affects mostly the numpy backend)
  • small change in initialisation of gradient descent method for computation of combined mu_hat, to increate robustness of method

New in Version 2.3.2:

  • fixed bug in initialisation of analyses combination <analysesCombination>
  • smodels version now printed in all output formats

New in Version 2.3.1:

  • fixed bug for reading QNUMBERS blocks <qnumberSLHA> from SLHA files
  • small fixes in how pythia6 and pythia8 are built
  • small fix in truncated Gaussian llhd experimental feature
  • small fix in computation of combined upper limits
  • combinationmatrices are now forced to be symmetric
  • added isCombinableWith method also for CombinedDataSets
  • added a recipe for how to use a combinations matrix
  • runtime.nCPUs() now returns number of available CPUs, not all CPUs
  • xsecComputer <xsecCalc> now has --tempdir option
  • StatsComputer now has CLs method
  • changed default prompt width from 1e-8 to 1e-11 GeV in code

New in Version 2.3.0:

  • fixed bug for an LHE input only with anti-particles
  • fixed error that truncated signal yields when computing expected upper limits
  • added minMass parameter for setting a minimum mass threshold for BSM masses
  • fixed C++ interface to work with python 3.11
  • bumped up pythia8 from 8.307 to 8.308
  • SModelS can now track inter-analyses combinability at the level of whole analyses as well as individual signal regions
  • added support for SLv2 <SLV2> (Gaussian with a skew), arXiv:1809.05548
  • refactored the statistics modules
  • introduced "full_llhds" database add-on (see parameter.ini file <parameterFileDatabase>)
  • database <Database> extension, added new results from 6 ATLAS and 4 CMS analyses (hfm=HistFactory model, cov=covariance matrix for SR combination):
    • results from ATLAS: ATLAS-SUSY-2018-05 (UL,EM+hfm), ATLAS-SUSY-2018-32 (EM+hfm), ATLAS-SUSY-2018-41 (EM+cov, updated), ATLAS-SUSY-2018-42 (UL,EM), ATLAS-SUSY-2019-02 (UL,EM+cov), ATLAS-SUSY-2013-12 (8TeV, EM)
    • results from CMS: CMS-SUS-19-010 (UL), CMS-SUS-20-004 (UL,EM), CMS-SUS-21-002 (UL,EM+cov)
    • added expected ULs to CMS-SUS-19-009

New in Version 2.2.1:

  • fixes in analyses combinations <analysesCombination>, simplified and pyhf likelihoods <likelihoodCalc>
  • small fixes for python 3.10
  • bumped up pythia8 from 8.306 to 8.307
  • included example on how to plot likelihoods from analysis combination <Examples>
  • small bug fix for particle addition

New in Version 2.2.0.post1:

  • removed dependency on importlib.metadata to make it work with python <= 3.7

New in Version 2.2.0:

  • introduced (user-defined) combinations of analyses <analysesCombination>
  • changed expected limits computed with pyhf from post-fit to pre-fit
  • a few smaller changes around expected likelihoods and limits
  • changed default value of promptWidth parameter <parameterFileModel> from 1e-8 to 1e-11 GeV
  • allow ncpus <parameterFileNcpus> to take on zero and negative values in ini file [meaning use all but this (absolute) number of CPU cores]
  • notion of "nonaggregated" databases introduced
  • small fixes in the Howto's <Examples>
  • updates in references.bib, installation notes
  • more small fixes in unit tests
  • database <Database> extension, added new results from 4 ATLAS and 11 CMS analyses:
    • results from ATLAS: ATLAS-SUSY-2018-08 (UL+EM), ATLAS-SUSY-2018-40 (UL+EM), ATLAS-SUSY-2018-41 (UL+EM), ATLAS-SUSY-2019-09 (UL+EM, full likelihood)
    • results from CMS: CMS-SUS-16-050 (EM), CMS-SUS-18-004 (UL), CMS-SUS-18-007 (UL), CMS-SUS-19-008 (UL), CMS-SUS-19-011 (UL), CMS-SUS-19-013 (UL), CMS-SUS-20-001 (UL), CMS-SUS-20-002 (UL)
    • recast with MadAnalysis5: CMS-SUS-16-039 (EM), CMS-SUS-16-048 (EM), CMS-SUS-19-006 (EM); all incl. covariance matrices

New in Version 2.1.1:

  • caching weight matrix in simplified likelihoods <likelihoodCalc>
  • notion of "debug" databases introduced
  • introduced reportAllSRs <parameterFileReportAllSRs> option
  • tiny fix in mybinder link (see https://pypi.org/project/smodels/)
  • small fixes in unit tests
  • improved truncated Gaussians in likelihoodsFromLimits (but kept as experimental feature)
  • experimental features <parameterExperimentalFeatures> can now be turned on via ini file

New in Version 2.1.0:

  • Ability to merge Databases <parameterFileDatabase> using '+' as a delimiter: "latest_fastlim" and "official_fastlim" are now written as "latest+fastlim", and "official+fastlim".
  • useSuperseded flag in getExpResults is marked as deprecated, as we now just put superseded results in separate database
  • data sets<DataSet> now have an .isCombinableWith function
  • Slightly extended output of summary printer <parameterFileSummaryprinter>
  • Added scan summary (summary.txt <scanSummary>) when running over multiple files
  • Added expandedOutput <parameterFileSLHAprinter> option to slha-printer
  • Output <outputDescription> for efficiency-map results now reports L, L_max and L_SM <likelihoodCalc>
  • The likelihood <likelihoodCalc> is now maximized only for positive values of the signal strength in the computation of L_max
  • Pythia8 version in xsecComputer <xsecCalc> updated from 8226 to 8306
  • Improved interactive plots <interactivePlots>
  • database <Database> updated with results from 5 new ATLAS and 1 new CMS analyses:

    CMS-EXO-19-010 (disappearing tracks) UL, ATLAS-SUSY-2016-08 (displaced leptons) EM, ATLAS-SUSY-2018-10 (1l+jets) UL+EM, ATLAS-SUSY-2018-12 (0l+jets) UL+EM, ATLAS-SUSY-2018-22 (0l+jets) UL+EM, ATLAS-SUSY-2018-23 (EWino, WH) UL

  • added EM results for

    ATLAS-SUSY-2017-03 (EWino, WZ), ATLAS-SUSY-2018-06 (EWino, WZ), ATLAS-SUSY-2018-14 (sleptons), CMS-SUSY-14-021 (stops)

  • created and added THSCPM10 and THSCPM11 EMs for ATLAS-SUSY-2016-32;
  • replaced some 8 TeV ATLAS conf notes with the published results

    (ATLAS-CONF-2013-007 -> ATLAS-SUSY-2013-09, ATLAS-CONF-2013-061 -> ATLAS-SUSY-2013-18, ATLAS-CONF-2013-089 -> ATLAS-SUSY-2013-20)

  • corrected off-shell regions of some existing EM-type results <EMtype> (in three 13 TeV and eigth 8 TeV analyses).

New in Version 2.0.0:

  • Introduction of particle class <particleClass>
  • Introduction of model class (see Basic Input <basicInput>)
  • Input model can now be defined by an SLHA file with QNUMBERS blocks <qnumberSLHA>
  • Unified treatment of SLHA and LHE input files (see decomposer <decomp> and LHE-reader <lhereader>)
  • Decomposition <decomposition> and experimental results<ExpResult> can now handle lifetime dependent results <widthGrid>
  • Added field "type" <txnameFile> to the experimental results in the database
  • Added (optional) field "intermediateState" <txnameFile> to the experimental results in the database
  • Inclusive branches can now describe inclusive vertices
  • Added possibility for analysis specific detector size
  • New missing topologies <topCoverage> algorithm and output
  • Added "latest" and "latest_fastlim" Database <parameterFileDatabase> abbreviations
  • Added support for central database server
  • Small bug fix in likelihood computation <likelihoodCalc>
  • Small fix due to an API change in pyhf 0.6
  • Changes in output: width values added <pyOut>, coverage groups <coverageGroups> and others (see output description <outputDescription> for details)
  • Added option for signal strength multipliers in cross section calculator <xsecCalc>
  • Small bug fixes in models <basicInput>

New in Version 1.2.4:

  • added pyhf support
  • pickle path bug fix
  • bug fix for parallel xseccomputers
  • Introduced the SMODELS_CACHEDIR environment variable to allow for a different location of the cached database file
  • fixed dataId bug in datasets

New in Version 1.2.3:

  • database <Database> updated with results from more than 20 new analyses
  • server for databases is now smodels.github.io, not smodels.hephy.at
  • small bug fix for displaced topologies
  • small fix in slha printer, r_expected was r_observed
  • Downloaded database files <parameterFilePath> now stored in $HOME/.cache/smodels

New in Version 1.2.2:

  • Updated official database <Database>, added T3GQ eff maps and a few ATLAS 13 TeV results, see github database release page
  • Database "official" now refers to a database without fastlim results, "official_fastlim", to the official database with fastlim
  • List displaced signatures in missing topologies <topCoverage>
  • Improved description about lifetime reweighting in doc
  • Fix in cluster<ULcluster> for asymmetric masses
  • Small improvements in the interactive plots tool <interactivePlots>

New in Version 1.2.1:

  • Fix in particleNames.py for non-MSSM models
  • Fixed the marginalize recipe
  • Fixed the T2bbWWoff 44 signal regions plots in ConfrontPredictions in manual

New in Version 1.2.0:

  • Decomposition and experimental results can include non-MET BSM final states (e.g. heavy stable charged particles)
  • Added lifetime reweighting at decomposition <Decomposition> for meta-stable particles
  • Added finalState property for Elements
  • Introduction of inclusive simplified models <inclusiveSMS>
  • Inclusion of HSCP and R-hadron results in the database

New in Version 1.1.3:

  • Support for covariance matrices <combineSRs> and combination of signal regions (see combineSR <parameterFileCombineSRs> in parameters file <parameterFile>)
  • New plotting tool added to smodelsTools (see Interactive Plots Maker <interactivePlots>)
  • Path to particles.py can now be specified in parameters.ini file (see model <parameterFileModel> in parameters file <parameterFile>)
  • Wildcards allowed when selecting analyses, datasets, txnames (see analyses <parameterFileAnalyses>, txnames <parameterFileTxnames> and dataselector <parameterFileDataselector> in parameters file <parameterFile>)
  • Option to show individual contribution from topologies to total theory prediction (see addTxWeights <parameterFileAddTxWeights> in parameters file <parameterFile>)
  • URLs are allowed as database paths (see path <parameterFilePath> in parameters file <parameterFile>)
  • Python default changed from python2 to python3
  • Fixed lastUpdate bug, now giving correct date
  • Changes in pickling (e.g. subpickling, removing redundant zeroes)
  • Added fixpermissions to smodelsTools.py, for system-wide installs (see Files Permissions Fixer <permissionsFixer>)
  • Fixed small issue with pair production of even particles
  • Moved the code documentation <CodeDocs> to the manual
  • Added option for installing <phenoInstallation> within the source folder

New in Version 1.1.2:

  • Database update only, the code is the same as v1.1.1

New in Version 1.1.1:

  • C++ Interface<Cpp>
  • Support for pythia8 (see Cross Section Calculator <xsecCalc>)
  • improved binary database
  • automated SLHA and LHE file detection
  • Fix and improvements for missing topologies
  • Added SLHA-type output
  • Small improvements in interpolation and clustering

New in Version 1.1.0:

  • the inclusion of efficiency maps (see EM-type results <EMtype>)
  • a new and more flexible database format (see Database structure <databaseStruct>)
  • inclusion of likelihood and χ2 calculation for EM-type results <EMtype> (see likelihood calculation <likelihoodCalc>)
  • extended information on the topology coverage <topCoverage>
  • inclusion of a database broswer tool for easy access to the information stored in the database (see database browser <databaseBrowser>)
  • the database now supports also a more efficient binary format <databasePickle>
  • performance improvement for the decomposition <Decomposition> of the input model
  • inclusion of new simplified results to the database <Database> (including a few 13 TeV results)
  • Fastlim <addingFastlim> efficiency maps can now also be used in SModelS