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Related papers: SModelS v2.3: enabling global likelihood analyses

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Recent results from ATLAS gives a Higgs mass of 125.5 GeV, further constrain already highly constrained supersymmetric models such as pMSSM or CMSSM/mSUGRA. Finding potentially discoverable and non-excluded regions of model parameter space…

High Energy Physics - Phenomenology · Physics 2013-09-05 Thomas Burgess , Jan Øye Lindroos , Anna Lipniacka , Heidi Sandaker

We describe SuperIso v3.0 which is a public program for evaluation of flavor physics observables in the Standard Model (SM), general two-Higgs-doublet model (2HDM), minimal supersymmetric Standard Model (MSSM) and next to minimal…

High Energy Physics - Phenomenology · Physics 2009-09-10 F. Mahmoudi

We present the most comprehensive global fits to date of three supersymmetric models motivated by grand unification: the Constrained Minimal Supersymmetric Standard Model (CMSSM), and its Non-Universal Higgs Mass generalisations NUHM1 and…

We examine whether a comparison between wCDM and R_h=ct using merged Type Ia SN catalogs produces results consistent with those based on a single homogeneous sample. Using the Betoule et al. (2014) joint lightcurve analysis (JLA) of a…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-19 Fulvio Melia , Jun-Jie Wei , Robert Maier , Xuefeng Wu

Lilith is a public Python library for constraining new physics from Higgs signal strength measurements. Version 2.0 of Lilith comes with an extensive XML database which includes the ATLAS and CMS Run 2 Higgs results for 36/fb, in addition…

High Energy Physics - Phenomenology · Physics 2020-12-22 Marius Bertrand , Sabine Kraml , Tran Quang Loc , Dao Thi Nhung , Le Duc Ninh

I review the observational status of neutrino physics, including the present hints for neutrino mass and the ways to reconcile the solar and atmospheric neutrino data with the existence of a hot dark matter component, and the possible hints…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jose W. F. Valle

We introduce a set of minimal simplified models for dark matter interactions with the Standard Model, connecting the two sectors via either a scalar or pseudoscalar particle. These models have a wider regime of validity for dark matter…

High Energy Physics - Phenomenology · Physics 2015-06-23 Matthew R. Buckley , David Feld , Dorival Goncalves

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

I present recent results from the Global and Modular Beyond-the-Standard-Model Inference Tool (GAMBIT) collaboration. Global fits with GAMBIT have been carried out on a variety of models including supersymmetric models, scalar singlet dark…

High Energy Physics - Phenomenology · Physics 2020-08-10 Peter Athron

We present a reinterpretation study of existing results from the CMS Collaboration, specifically, searches for light Beyond the Standard Model (BSM) Higgs pairs produced in the chain decay $pp\to H_{\rm SM}\to hh(aa)$ into a variety of…

High Energy Physics - Phenomenology · Physics 2022-07-08 S. Moretti , S. Semlali , C. H. Shepherd-Themistocleous

Increasing luminosity at the Large Hadron Collider (LHC) poses a challenge for primary vertex reconstruction in the ATLAS experiment. A rate of 70 or more inelastic proton-proton collisions per beam crossing was observed during the…

High Energy Physics - Experiment · Physics 2019-10-21 Izaac Sanderswood

Global SMEFT analyses have become a key interpretation framework for LHC physics, quantifying how well a large set of kinematic measurements agrees with the Standard Model. This agreement is encoded in measured Wilson coefficients and their…

High Energy Physics - Phenomenology · Physics 2024-01-31 Ilaria Brivio , Sebastian Bruggisser , Nina Elmer , Emma Geoffray , Michel Luchmann , Tilman Plehn

The goal of this report is to summarize the current situation and discuss possible search strategies for charged scalars, in non-supersymmetric extensions of the Standard Model at the LHC. Such scalars appear in Multi-Higgs-Doublet models…

The discovery potentials of ATLAS and CMS experiments at the Large Hadron Collider (LHC) for Supersimmetry (SUSY), Extra Dimensions (ED), new Gauge Bosons and R-Hadrons are discussed. Beyond Standard-Model (BSM) searches at LHC require a…

High Energy Physics - Experiment · Physics 2011-11-10 Sebastiano Albergo

We propose a new set of supersymmetric benchmark scenarios, taking into account the constraints from LEP, b to s gamma, g_mu - 2 and cosmology. We work in the context of the constrained MSSM (CMSSM) with universal soft supersymetry-breaking…

High Energy Physics - Phenomenology · Physics 2009-09-11 M. Battaglia , A. De Roeck , J. Ellis , F. Gianotti , K. T. Matchev , K. A. Olive , L. Pape , G. Wilson

Little Higgs models are an interesting extension of the Standard Model at the TeV scale. They provide a simple and attractive mechanism of electroweak symmetry breaking. We review one of the simplest models of this class, the Littlest Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 Maxim Perelstein

We propose a general approach to construct weighted likelihood estimating equations with the aim of obtaining robust parameter estimates. We modify the standard likelihood equations by incorporating a weight that reflects the statistical…

Statistics Theory · Mathematics 2025-07-24 Claudio Agostinelli , Ayanendranath Basu , Giulia Bertagnolli , Arun Kumar Kuchibhotla

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 study the simplest extensions of the Standard Model (SM) that originate Dark Matter (DM) candidates, built with the addition of real singlets and new ${Z}_2$ symmetries under which the models are invariant. In this type of models the…

High Energy Physics - Phenomenology · Physics 2025-05-13 Maria Gonçalves , Margarete Mühlleitner , Rui Santos , Tomás Trindade

The successful operation of the {\em Large Hadron Collider} (LHC) during the past two years allowed to explore particle interaction in a new energy regime. Measurements of important Standard Model processes like the production of high-\pt\…

High Energy Physics - Experiment · Physics 2012-07-02 Karl Jakobs
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