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Related papers: A SModelS interface for pyhf likelihoods

200 papers

Experimental High Energy Physics has entered an era of precision measurements. However, measurements of many of the accessible processes assume that the final states' underlying kinematic distribution is the same as the Standard Model…

High Energy Physics - Phenomenology · Physics 2024-07-16 Lorenz Gärtner , Nikolai Hartmann , Lukas Heinrich , Malin Horstmann , Thomas Kuhr , Méril Reboud , Slavomira Stefkova , Danny van Dyk

We discuss the simplified likelihood framework as a systematic approximation scheme for experimental likelihoods such as those originating from LHC experiments. We develop the simplified likelihood from the Central Limit Theorem keeping the…

High Energy Physics - Phenomenology · Physics 2019-05-01 Andy Buckley , Matthew Citron , Sylvain Fichet , Sabine Kraml , Wolfgang Waltenberger , Nicholas Wardle

We present a framework for performing a comprehensive analysis of a large class of supersymmetric models, including spectrum calculation, dark matter studies and collider phenomenology. To this end, the respective model is defined in an…

High Energy Physics - Phenomenology · Physics 2015-05-30 Florian Staub , Thorsten Ohl , Werner Porod , Christian Speckner

Common analysis techniques in multi-messenger astronomy involve hypothesis tests with unbinned log-likelihood (LLH) functions using data recorded in celestial coordinates to identify sources of high-energy cosmic particles in the Universe.…

Instrumentation and Methods for Astrophysics · Physics 2019-08-15 Martin Wolf

Searches for new physics at the Large Hadron Collider have constrained many models of physics beyond the Standard Model. Many searches also provide resources that allow them to be reinterpreted in the context of other models. We describe a…

High Energy Physics - Experiment · Physics 2025-07-04 Giordon Stark , Camila Aristimuno Ots , Mike Hance

We present up-to-date constraints on a generic Higgs parameter space. An accurate assessment of these exclusions must take into account statistical, and potentially signal, fluctuations in the data currently taken at the LHC. For this, we…

High Energy Physics - Phenomenology · Physics 2015-06-04 Aleksandr Azatov , Roberto Contino , Jamison Galloway

The ATLAS collaboration published supersymmetry limits based on up to about 4.7 \ifb data collected over the year 2011 from LHC runs at 7 TeV. These were mainly interpreted within restricted, particular or simplified models for…

High Energy Physics - Phenomenology · Physics 2013-06-12 Shehu S. AbdusSalam

The Smodels system implements the stable model semantics for normal logic programs. It handles a subclass of programs which contain no function symbols and are domain-restricted but supports extensions including built-in functions as well…

Artificial Intelligence · Computer Science 2007-05-23 Ilkka Niemela , Patrik Simons , Tommi Syrjanen

The MadAnalysis 5 framework can be used to assess the potential of various LHC analyses for unravelling any specific new physics signal. We present an extension of the LHC reinterpretation capabilities of the programme allowing for the…

High Energy Physics - Phenomenology · Physics 2020-06-17 Jack Y. Araz , Mariana Frank , Benjamin Fuks

Simflowny is an open platform which automatically generates parallel code of scientific dynamical models for different simulation frameworks. Here we present major upgrades on this software to support an extended set of families of models,…

Mathematical Software · Computer Science 2018-07-04 A. Arbona , B. Miñano , A. Rigo , C. Bona , C. Palenzuela , A. Artigues , C. Bona-Casas , J. Massó

Simflowny is an open platform which automatically generates efficient parallel code of scientific dynamical models for different simulation frameworks. Here we present major upgrades on this software to support simultaneously a quite…

Computational Physics · Physics 2020-12-02 C. Palenzuela , B. Miñano , A. Arbona , C. Bona-Casas , C. Bona , J. Massó

The program HiggsSignals confronts the predictions of models with arbitrary Higgs sectors with the available Higgs signal rate and mass measurements, resulting in a likelihood estimate. A new version of the program, HiggsSignals-2, is…

High Energy Physics - Phenomenology · Physics 2021-02-24 Philip Bechtle , Sven Heinemeyer , Tobias Klingl , Tim Stefaniak , Georg Weiglein , Jonas Wittbrodt

We present MadAnalysis 5, an analysis package dedicated to phenomenological studies of simulated collisions occurring in high-energy physics experiments. Within this framework, users are invited, through a user-friendly Python interpreter,…

High Energy Physics - Phenomenology · Physics 2015-05-27 Eric Conte , Béranger Dumont , Benjamin Fuks , Thibaut Schmitt

Simplified models have become a widely used and important tool to cover the more diverse phenomenology beyond constrained SUSY models. However, they come with a substantial number of caveats themselves, and great care needs to be taken when…

High Energy Physics - Phenomenology · Physics 2013-10-01 M. Berggren , A. Cakir , D. Krücker , J. List , A. Lobanov , I. A. Melzer-Pellmann

We present a new global SMEFT analysis of LHC data in the top sector. After updating our set of measurements, we show how public ATLAS likelihoods can be incorporated into an external global analysis and how our analysis benefits from the…

High Energy Physics - Phenomenology · Physics 2025-03-26 Nina Elmer , Maeve Madigan , Tilman Plehn , Nikita Schmal

The Minimal Supersymmetric Standard Model is presented as a model for the CompHEP software package as a set of files containing the complete Lagrangian of the MSSM, particle contents and parameters. All resources of CompHEP with a…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. S. Belyaev , A. V. Gladyshev , A. V. Semenov

We present a software framework for statistical data analysis, called HistFitter, that has been used extensively by the ATLAS Collaboration to analyze big datasets originating from proton-proton collisions at the Large Hadron Collider at…

High Energy Physics - Experiment · Physics 2015-06-23 M. Baak , G. J. Besjes , D. Cote , A. Koutsman , J. Lorenz , D. Short

The statistical models used to derive the results of experimental analyses are of incredible scientific value and are essential information for analysis preservation and reuse. In this paper, we make the scientific case for systematically…

We present a python-based program for phenomenological investigations in particle physics using machine learning algorithms, called \verb"MLAnalysis". The program is able to convert LHE and LHCO files generated by \verb"MadGraph5_aMC@NLO"…

High Energy Physics - Phenomenology · Physics 2023-10-18 Yu-Chen Guo , Fan Feng , An Di , Shi-Qi Lu , Ji-Chong Yang

We present the update of the SModelS database with the simplified model results from CMS searches for supersymmetry at Run 2 with 36 fb$^{-1}$ of data. The constraining power of these new results is compared to that of the 8 TeV results…

High Energy Physics - Phenomenology · Physics 2018-05-18 Juhi Dutta , Sabine Kraml , Andre Lessa , Wolfgang Waltenberger