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Machine learning (ML) plays an increasingly important role in both online and offline event reconstruction and identification at CMS experiment. A variety of ML techniques are used to improve the identification of physics objects. Dedicated…

High Energy Physics - Experiment · Physics 2026-02-10 Uttiya Sarkar

Techniques and strategies for discovering and measuring the properties of Higgs bosons via $s$-channel production at a $\mu^+\mu^-$ collider, and the associated requirements for the machine and detector, are discussed in detail. The unique…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , M. S. Berger , J. F. Gunion , T. Han

The ultimate motivation of our study is to look for signs of physics beyond the Standard Model (BSM). We investigate whether different jet clustering techniques might be more or less suited to the particular final states of interest. In…

Within the Minimal Supersymmetric Standard Model (MSSM) the production and decay of superpartners can give rise to backgrounds for Higgs boson searches. Here MSSM background processes to the vector boson fusion channel with the Higgs boson…

High Energy Physics - Phenomenology · Physics 2013-09-26 Bastian Feigl , Heidi Rzehak , Dieter Zeppenfeld

I present a brief overview of a variety of computational tools for supersymmetry calculations, including: spectrum generators, cross section and branching fraction calculators, low energy constraints, general purpose event generators,…

High Energy Physics - Phenomenology · Physics 2016-12-21 Howard Baer

Recent measurements of the CMS experiment at the LHC show possibly, with about 3 $\sigma$ significance, a resonance in di-photon events with an invariant mass of 95.4 GeV. If this resonance can be confirmed, this could be a hint for a new…

High Energy Physics - Phenomenology · Physics 2025-02-13 M. Maniatis , O. Nachtmann

The codes HiggsBounds and HiggsSignals compare model predictions of BSM models with extended scalar sectors to searches for additional scalars and to measurements of the detected Higgs boson at 125 GeV. We present a unification and…

High Energy Physics - Phenomenology · Physics 2023-06-29 Henning Bahl , Thomas Biekötter , Sven Heinemeyer , Cheng Li , Steven Paasch , Georg Weiglein , Jonas Wittbrodt

We introduce a framework, based on an effective field theory approach, that allows one to perform characterisation studies of the boson recently discovered at the LHC, for all the relevant channels and in a consistent, systematic and…

High Energy Physics - Phenomenology · Physics 2015-06-16 P. Artoisenet , P. de Aquino , F. Demartin , R. Frederix , S. Frixione , F. Maltoni , M. K. Mandal , P. Mathews , K. Mawatari , V. Ravindran , S. Seth , P. Torrielli , M. Zaro

The problems of the standard model are briefly reviewed and the motivations for introducing supersymmetry are discussed. Two realistic supersymmetric models; the Minimal SuperSymmetric Model, MSSM, and its proposed extension NMSSM are…

High Energy Physics - Phenomenology · Physics 2011-06-17 Jacob Winding

In this talk, we will review Inert Triplet Model (ITM) which provide candidate for dark matter (DM) particles. Then we study possible decays of Higgs boson to DM candidate and apply current experimental data for invisible Higgs decay to…

High Energy Physics - Phenomenology · Physics 2015-06-03 Seyed Yaser Ayazi , S. Mahdi Firouzabadi

In this paper, we present the latest results of the searches for beyond standard model Higgs boson production at the Tevatron collider of Fermilab. Analyses have been carried out on samples of about 1-4 inverse fb of data collected by the…

High Energy Physics - Experiment · Physics 2009-05-18 Luca Scodellaro , the CDF , D0 Collaborations

The CMS collaboration has recently produced results of a number of searches for new physics processes using data collected during the 2011 run of the Large Hadron Collider. Up to 5 inverse femtobarns of proton-proton collisions at 7 TeV…

High Energy Physics - Experiment · Physics 2019-08-13 Tommaso Dorigo

A muon collider with controllable energy resolution and transverse beam polarization provides a powerful probe of the Higgs sector in the minimal supersymmetric standard model with explicit CP violation, through s-channel production of…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Y. Choi , Jae Sik Lee

We consider the Higgs boson decay processes and its production including all Run I results, through a parametrisation tailored for testing models of new physics beyond the Standard Model, and complementary to the one used by the LHC working…

High Energy Physics - Phenomenology · Physics 2015-04-30 Jean-Baptiste Flament

We report a search for Standard Model (SM) Higgs boson production in association with a $W^{\pm}$ boson. This search uses data corresponding to an integrated luminosity of $\math rm{1.9 fb^{-1}}$ collected with the CDF detector at Tevatron.…

High Energy Physics - Experiment · Physics 2008-05-20 Tatsuya Masubuchi

We review recent progress towards automated higher-order calculations in the MSSM with complex parameters (cMSSM). The consistent renormalization of all relevant sectors of the cMSSM and the inclusion into the FeynArts/FormCalc framework…

High Energy Physics - Phenomenology · Physics 2014-07-02 T. Hahn , S. Heinemeyer , F. von der Pahlen , H. Rzehak , C. Schappacher

Modeling artificial scanning electron microscope (SEM) and scanning ion microscope images has recently become important. This is because of the need to provide repeatable images with a priori determined parameters. Modeled artificial images…

Instrumentation and Detectors · Physics 2015-05-19 Petr Cizmar , Andras E. Vladar , Michael T. Postek

We present some highlights on the complementaries of the Higgs and SUSY searches at the LHC, using the 8 and 13 TeV results. In particular, we discuss the constraints that can be obtained on the MSSM parameters by the determination of the…

High Energy Physics - Phenomenology · Physics 2018-12-03 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , M. Muehlleitner , G. Robbins , M. Spira

Bayesian models are a powerful tool for studying complex data, allowing the analyst to encode rich hierarchical dependencies and leverage prior information. Most importantly, they facilitate a complete characterization of uncertainty…

Machine Learning · Statistics 2023-04-25 Steven Winter , Trevor Campbell , Lizhen Lin , Sanvesh Srivastava , David B. Dunson

The Standard Model (SM) of particle physics, comprised of the unified electro-weak (EW) and Quantum Chromodynamic (QCD) theories, accurately explains almost all experimental results related to the micro-world, and has made a number of…

High Energy Physics - Phenomenology · Physics 2021-03-01 Shenjian Chen , Stephen Lars Olsen