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Related papers: Stealth Supersymmetry Simplified

200 papers

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

Simplified dark matter models have been recently advocated as a powerful tool to exploit the complementarity between dark matter direct detection, indirect detection and LHC experimental probes. Focusing on pseudoscalar mediators between…

High Energy Physics - Phenomenology · Physics 2017-04-05 Dorival Goncalves , Pedro A. N. Machado , Jose Miguel No

A search for supersymmetry in events with two or three low-momentum leptons and missing transverse momentum is performed. The search uses proton-proton collisions at $\sqrt{s} =$ 13 TeV collected in the three-year period 2016-2018 by the…

High Energy Physics - Experiment · Physics 2022-04-21 CMS Collaboration

The recent results from the ATLAS and CMS collaborations show that the allowed range for a Standard Model Higgs boson is now restricted to a very thin region. Although those limits are presented exclusively in the framework of the SM, the…

High Energy Physics - Phenomenology · Physics 2015-03-19 F. Boudjema , G. Drieu La Rochelle

Results are presented for a variety of SUSY Simplified Models at the 14 TeV LHC as well as a 33 and 100 TeV proton collider. Our focus is on models whose signals are driven by colored production. We present projections of the upper limit…

High Energy Physics - Phenomenology · Physics 2014-05-15 Timothy Cohen , Tobias Golling , Mike Hance , Anna Henrichs , Kiel Howe , Joshua Loyal , Sanjay Padhi , Jay G. Wacker

In Profumo di SUSY, we presented evidence that CMS&ATLAS may have already registered a handful of deftly camouflaged supersymmetry events at the LHC in the multijet channels. Here, we explore the prospect for corroboration of this…

High Energy Physics - Phenomenology · Physics 2012-03-09 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

We compare the first results on searches for supersymmetry with the Large Hadron Collider (LHC) to the current and near-term performance of experiments sensitive to neutralino dark matter. We limit our study to the particular slices of…

High Energy Physics - Phenomenology · Physics 2011-08-08 Stefano Profumo

The new minimal supersymmetric standard model (nMSSM), a variant of the general next to minimal supersymmetric standard model (NMSSM) without $Z_3$ symmetry, features a naturally light singlino with a mass below 75 GeV. In light of the new…

High Energy Physics - Phenomenology · Physics 2016-02-17 D. Barducci , G. Bélanger , C. Hugonie , A. Pukhov

The MSSM candidates arising from the heterotic MiniLandscape feature a very constrained supersymmetry breaking pattern. This includes a fully predictable gaugino mass pattern, which is compressed compared to the CMSSM, and an inverted…

High Energy Physics - Phenomenology · Physics 2015-06-12 Marcin Badziak , Sven Krippendorf , Hans Peter Nilles , Martin Wolfgang Winkler

The direct searches for Superymmetry at colliders can be complemented by direct searches for dark matter (DM) in underground experiments, if one assumes the Lightest Supersymmetric Particle (LSP) provides the dark matter of the universe. It…

High Energy Physics - Phenomenology · Physics 2015-06-04 C. Beskidt , W. de Boer , D. I. Kazakov , F. Ratnikov

A future proton-proton collider with center of mass energy around 100 TeV will have a remarkable capacity to discover massive new particles and continue exploring weak scale naturalness. In this work we will study its sensitivity to two…

High Energy Physics - Phenomenology · Physics 2017-09-12 JiJi Fan , Prerit Jaiswal , John Shing Chau Leung

A recently proposed class of supersymmetric models predicts rather light and nearly mass-degenerate higgsinos, while the other superparticles are significantly heavier. In this paper we study the early LHC phenomenology of a benchmark model…

High Energy Physics - Phenomenology · Physics 2015-06-03 S. Bobrovskyi , F. Brümmer , W. Buchmuller , J. Hajer

The parameters of the Minimal Supersymmetric Standard Model appear to require uncomfortably precise adjustment in order to reconcile the electroweak symmetry breaking scale with the lower mass limits on a neutral Higgs scalar boson. This…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stephen P. Martin

A search for physics beyond the standard model in final states with at least one photon, large transverse momentum imbalance, and large total transverse event activity is presented. Such topologies can be produced in gauge-mediated…

High Energy Physics - Experiment · Physics 2019-03-19 CMS Collaboration

Results are reported from a search for supersymmetric particles in the final state with multiple jets and large missing transverse momentum. The search uses a sample of proton-proton collisions at $\sqrt{s} =$ 13 TeV collected with the CMS…

High Energy Physics - Experiment · Physics 2020-10-29 CMS Collaboration

A search for Supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino is reported. It uses an LHC proton--proton dataset at a center-of-mass energy $\sqrt{s} = 13$ TeV with an…

High Energy Physics - Experiment · Physics 2016-08-17 ATLAS Collaboration

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

We study a new class of renormalisable simplified models for dark matter searches at the LHC that are based on two Higgs doublet models with an additional pseudoscalar mediator. In contrast to the spin-0 simplified models employed in…

High Energy Physics - Phenomenology · Physics 2017-08-23 Martin Bauer , Ulrich Haisch , Felix Kahlhoefer

We analyze models of extended Gauge Mediation in the context of the NMSSM, concentrating on supersymmetric spectra with light gluinos, low fine-tuning and decays of the lightest neutralino leading to displaced vertices. While the minimal…

High Energy Physics - Phenomenology · Physics 2019-02-20 Marcin Badziak , Nishita Desai , Cyril Hugonie , Robert Ziegler

We explore the impact of current (7+8 TeV) and future (14 TeV) LHC searches on the range of viable sparticle spectra within the 19/20 - dimensional phenomenological MSSM (pMSSM). Considering both neutralino and gravitino LSPs, we compare…

High Energy Physics - Phenomenology · Physics 2014-11-13 Matthew Cahill-Rowley