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Light top superpartners play a key role in stabilizing the electroweak scale in supersymmetric theories. For $R$-parity conserved supersymmetric models, traditional searches are not sensitive to the compressed regions. In this paper, we…

High Energy Physics - Phenomenology · Physics 2015-11-04 Haipeng An , Lian-Tao Wang

A combination of four searches for new physics involving signatures with at least one photon and large missing transverse momentum, motivated by generalized models of gauge-mediated supersymmetry (SUSY) breaking, is presented. All searches…

High Energy Physics - Experiment · Physics 2020-01-15 CMS Collaboration

The CMS Collaboration intends to pursue the study of central exclusive production (CEP) events, pp $\to$ pXp, at the High-Luminosity LHC (HL-LHC) by means of a new near-beam proton spectrometer. In CEP events, the state X is produced at…

Instrumentation and Detectors · Physics 2021-03-05 CMS Collaboration

This document emerged from work that started in January 2012 as a joint effort by the ATLAS, CMS and LPCC supersymmetry (SUSY) working groups to compile state-of-the-art cross section predictions for SUSY particle production at the LHC. We…

High Energy Physics - Phenomenology · Physics 2012-06-14 Michael Krämer , Anna Kulesza , Robin van der Leeuw , Michelangelo Mangano , Sanjay Padhi , Tilman Plehn , Xavier Portell

An overview of supersymmetry searches is presented, covering collider experiments, direct and indirect searches for supersymmetric dark matter. Recent LHC experimental results are reviewed, and the constraints from B-meson decays are…

High Energy Physics - Phenomenology · Physics 2015-11-11 Vasiliki A. Mitsou

A search for the pair production of new light bosons, each decaying into a pair of muons, is performed with the CMS experiment at the LHC, using a dataset corresponding to an integrated luminosity of 20.7 inverse femtobarns collected in…

High Energy Physics - Experiment · Physics 2015-12-11 CMS Collaboration

We analyze the phenomenological consequences of assuming that the 125 GeV boson measured at the LHC coincides with one of the two CP-even Higgs bosons of an effective Minimal Supersymmetric extension of the Standard Model at the electroweak…

High Energy Physics - Phenomenology · Physics 2013-08-09 S. Scopel , N. Fornengo , A. Bottino

We study a realistic top-down M-theory compactification with low-scale effective Supersymmetry, consistent with phenomenological constraints. A combination of top-down and generic phenomenological constraints fix the spectrum. The gluino…

High Energy Physics - Phenomenology · Physics 2014-08-12 Sebastian A. R. Ellis , Gordon L. Kane , Bob Zheng

This talk presents results from the CMS and ATLAS Collaborations from searches for physics beyond the Standard Model motivated by supersymmetry from Run 1 of the LHC. Representative searches are described to illustrate the diverse nature of…

High Energy Physics - Experiment · Physics 2016-01-18 Keith A. Ulmer

A search for strongly produced supersymmetric particles using signatures involving multiple energetic jets and either two isolated same-sign leptons ($e$ or $\mu$), or at least three isolated leptons, is presented. The analysis relies on…

High Energy Physics - Experiment · Physics 2019-09-04 ATLAS Collaboration

In the Minimal Supersymmetric Standard Model, the higgsinos can have masses around the electroweak scale, while the other supersymmetric particles have TeV-scale masses. This happens in models of gauge-mediated SUSY breaking with a high…

High Energy Physics - Phenomenology · Physics 2012-05-08 F. Brümmer

Search for the bottom squarks (sbottoms) at the Large Hadron Collider (LHC) has recently assumed a heightened focus in the hunt for Supersymmetry (SUSY). The popular framework of the Next-to-Minimal Supersymmetric Standard Model (NMSSM)…

High Energy Physics - Phenomenology · Physics 2017-08-31 Jyotiranjan Beuria , Arindam Chatterjee , AseshKrishna Datta

{\it Why continue looking for supersymmetry?} Over and above the aesthetic and theoretical motivations from string theory, there are several longstanding phenomenological motivations for TeV-scale supersymmetry such as the electroweak…

High Energy Physics - Phenomenology · Physics 2020-07-01 John Ellis

An inclusive search is presented for new heavy particle pairs produced in sqrt(s) = 7 TeV proton-proton collisions at the LHC using 4.7 +/- 0.1 inverse femtobarns of integrated luminosity. The selected events are analyzed in the 2D razor…

High Energy Physics - Experiment · Physics 2013-08-28 CMS Collaboration

We investigate the impact of recent limits from LHC searches for supersymmetry and from direct and indirect searches for dark matter on global Bayesian inferences of the parameter space of the Constrained Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2013-05-30 Leszek Roszkowski , Enrico Maria Sessolo , Yue-Lin Sming Tsai

We make a systematic and comparative study for the LHC and ILC for the electroweakino searches in the Minimal Supersymmetric Standard Model. We adopt a general bottom-up approach and scan over the parameter regions for all the three cases…

High Energy Physics - Phenomenology · Physics 2013-10-01 Mikael Berggren , Tao Han , Jenny List , Sanjay Padhi , Shufang Su , Tomohiko Tanabe

A search for physics beyond the standard model (SM) in the final state with a hadronically decaying tau lepton and a neutrino is presented. This analysis is based on data recorded by the CMS experiment from proton-proton collisions at a…

High Energy Physics - Experiment · Physics 2023-09-18 CMS Collaboration

The search for Beyond the Standard Model (BSM) physics is one of the major tasks of the LHC, CERN. In these proceedings, I review the status of searches for Supersymmetry by the ATLAS and CMS collaborations. The efforts in both the hadronic…

High Energy Physics - Experiment · Physics 2008-08-22 Oleg Brandt

A search is presented for additional neutral Higgs bosons in the $\tau\tau$ final state in proton-proton collisions at the LHC. The search is performed in the context of the minimal supersymmetric extension of the standard model (MSSM),…

High Energy Physics - Experiment · Physics 2018-09-10 CMS Collaboration

The search for physics beyond the Standard Model (BSM) is one of the most important goals for the general purpose detector ATLAS at the Large Hadron Collider at CERN. Supersymmetry search strategies based on generic event signatures of high…

High Energy Physics - Experiment · Physics 2019-08-13 Xuai Zhuang
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