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In the very early stages of LHC running, uncertainties in detector performance will lead to large ambiguities in jet, electron and photon energy measurements, along with inferred missing transverse energy. However, muon detection should be…

High Energy Physics - Phenomenology · Physics 2009-11-13 Howard Baer , Andre Lessa , Heaya Summy

A search for supersymmetry is presented using a sample of events with b jets and missing transverse momentum. The search uses a data sample of proton-proton collisions at a centre-of-mass energy of 7 TeV, corresponding to an integrated…

High Energy Physics - Experiment · Physics 2012-08-27 CMS Collaboration

Natural SUSY suggests the existence of light stop quarks, accessible at the LHC, which are the focus of a dedicated CMS search program. I present two inclusive CMS searches that look for TeV scale colored sparticles in final states with…

High Energy Physics - Experiment · Physics 2019-08-14 Sezen Sekmen

A search for supersymmetry (SUSY) is presented where at least one Higgs boson is produced and decays to two photons in the decay chains of pair-produced SUSY particles. Two analysis strategies are pursued: one focused on strong SUSY…

High Energy Physics - Experiment · Physics 2019-12-11 CMS Collaboration

The purpose of this review is to investigate what kind of physics can be extracted at the LHC, assuming a discovery is made in events with missing transverse momentum, as generically expected in supersymmetry (SUSY) with R-parity…

High Energy Physics - Phenomenology · Physics 2020-01-08 Konstantin T. Matchev , Filip Moortgat , Luc Pape

We review the result of SUSY parameter fits based on frequentist analyses of experimental constraints from electroweak precision data, (g-2)_mu, B-physics and cosmological data. We investigate the parameters of the constrained MSSM (CMSSM)…

High Energy Physics - Phenomenology · Physics 2010-12-13 S. Heinemeyer , G. Weiglein

Recent null results from LHC8 SUSY searches along with the discovery of a SM-like Higgs boson with mass m(h) ~ 125.5 GeV indicates sparticle masses in the TeV range, causing tension with conventional measures of electroweak fine-tuning. We…

High Energy Physics - Phenomenology · Physics 2014-07-02 Howard Baer , Vernon Barger , Dan Mickelson , Maren Padeffke-Kirkland

The CERN Large Hadron Collider (LHC) is scheduled to commence operation in 2008 and inclusive searches for supersymmetry (SUSY) will be one of our primary tasks in the first days of LHC operation. It is certain that the final state of…

High Energy Physics - Experiment · Physics 2019-08-13 Shimpei Yamamoto

While LHC has discovered a very Standard Model-like Higgs boson of mass m_h~ 125 GeV, no solid signal for physics beyond the Standard Model has emerged so far at LHC or at WIMP seach experiments. For the case of weak scale supersymmetry…

High Energy Physics - Phenomenology · Physics 2020-12-30 Howard Baer , Vernon Barger , Shadman Salam , Dibyashree Sengupta , Kuver Sinha

We assess the future directions for the search for supersymmetry at the Large Hadron Collider in view of the new precision results on the muon anomaly by the Fermilab Collaboration. The existence of a deviation of size 4.1$\sigma$ from the…

High Energy Physics - Phenomenology · Physics 2021-08-25 Amin Aboubrahim , Michael Klasen , Pran Nath , Raza M. Syed

We present compounding evidence of supersymmetry (SUSY) production at the LHC, in the form of correlations between the nominal 5\fb ATLAS and CMS results for the 7 TeV 2011 run and detailed Monte Carlo collider-detector simulation of a…

High Energy Physics - Phenomenology · Physics 2012-05-15 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

Direct searches for superpartners and precision measurements of the properties of the $\sim 126$ GeV Higgs boson lead to important inter-dependent constraints on the underlying parameter space of the MSSM. The 19/20-parameter…

High Energy Physics - Phenomenology · Physics 2013-10-02 Matthew Cahill-Rowley , JoAnne Hewett , Ahmed Ismail , Tom Rizzo

A search for supersymmetry or other new physics resulting in similar final states is presented using a data sample of 4.73 inverse femtobarns of pp collisions collected at sqrt(s)=7 TeV with the CMS detector at the LHC. Fully hadronic final…

High Energy Physics - Experiment · Physics 2013-05-01 CMS Collaboration

At the LHC, superpartners with the masses lighter than a few TeV may be found, and the masses of the supersymmetric (SUSY) particles and their interactions will be studied. The information would be the base to consider the SUSY breaking…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihoko M. Nojiri

Supersymmetry (SUSY) provides elegant solutions to several problems in the Standard Model and searches for SUSY particles are an important component of the LHC physics program. The latest results from electroweak and strong SUSY searches…

High Energy Physics - Experiment · Physics 2023-06-28 Francesco Giuseppe Gravili

Both ATLAS and CMS have published results of SUSY searches putting limits on SUSY parameters and masses. A non-discovery of SUSY in the next two years would push these limits further. On the other hand, precision data of low energy…

High Energy Physics - Phenomenology · Physics 2011-05-30 P. Bechtle , K. Desch , H. Dreiner , M. Kramer , B. O'Leary , C. Robens , B. Sarrazin , P. Wienemann

Discovery of supersymmetric (SUSY) particles at the Large Hadron Collider(LHC) has been studied for the models where squarks and gluino are much heavier than the lightest supersymetric particle (LSP). In this paper, we investigate the SUSY…

High Energy Physics - Phenomenology · Physics 2009-11-11 Kiyotomo Kawagoe , Mihoko M. Nojiri

We analyze the LHC phenomenology of lambdaSUSY - a version of NMSSM with a largish SH1H2 coupling. The scalar spectrum of the model contains a 200-300 GeV Higgs boson h with Standard-Model like properties, and heavy CP-even and CP-odd Higgs…

High Energy Physics - Phenomenology · Physics 2009-09-29 Leone Cavicchia , Roberto Franceschini , Vyacheslav S. Rychkov

Maximally Natural Supersymmetry, an unusual weak-scale supersymmetric extension of the Standard Model based upon the inherently higher-dimensional mechanism of Scherk-Schwarz supersymmetry breaking (SSSB), possesses remarkably good fine…

High Energy Physics - Phenomenology · Physics 2016-08-01 Junwu Huang , John March-Russell

Current ideas for SUPERSYMMETRY searches at the LHC are reviewed. We analyse the discovery prospects for various supersymmetric particles and describe recent ideas on the possibilities of detailed SUSY studies at the LHC. We also combine…

High Energy Physics - Experiment · Physics 2007-05-23 Michael Dittmar
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