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Related papers: Constraining Supersymmetry

200 papers

The prospects of measuring masses, spin and CP properties within Supersymmetry and other beyond the Standard Model extensions at the LHC are reviewed. Emphasis is put on models with missing transverse energy due to undetected particles, as…

High Energy Physics - Experiment · Physics 2008-12-12 Wolfgang Ehrenfeld

We summarize the current status and future prospects for low energy (weak scale) supersymmetry. In particular, we evaluate the capabilities of various $e^+e^-$, $p\bar p$ and $pp$ colliders to discover evidence for supersymmetric particles.…

Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. This proceeding presents searches for physics beyond the Standard Model enabled by photon-photon…

High Energy Physics - Experiment · Physics 2023-07-17 Klaudia Maj

We study the impact of the measurements of three sets of observables on the parameter space of the constrained minimal supersymmetric Standard Model (cMSSM), its slightly general variant, the non-universal scalar model (NUSM), and some…

High Energy Physics - Phenomenology · Physics 2015-06-16 Gautam Bhattacharyya , Anirban Kundu , Tirtha Sankar Ray

We consider two potential non-accelerator signatures of generalizations of the well-studied constrained minimal supersymmetric standard model (CMSSM). In one generalization, the universality constraints on soft supersymmetry-breaking…

High Energy Physics - Phenomenology · Physics 2016-01-27 John Ellis , Jason L. Evans , Feng Luo , Natsumi Nagata , Keith A. Olive , Pearl Sandick

Supersymmetry does not dictate the way we should quantize the fields in the supermultiplets, and so we have the freedom to quantize the Standard Model (SM) particles and their superpartners differently. We propose a generalized quantization…

High Energy Physics - Phenomenology · Physics 2015-11-24 Chiu Man Ho , Nobuchika Okada

The lightest srpersymmetric particle (LSP) is expected to be stable, massive and neutral. Direct searches for supersymmetric particles in the context of the minimal supersymmetric extension to the standard model have been performed with the…

High Energy Physics - Experiment · Physics 2009-10-31 D. Hutchcroft

The recent result from the E821 experiment at BNL on the anomalous magnetic moment of the muon shows a distinct discrepancy with the Standard Model predictions. We calculate the additional correction that the anomalous magnetic moment…

High Energy Physics - Phenomenology · Physics 2009-11-07 Debrupa Chakraverty , Debajyoti Choudhury , Anindya Datta

The electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM) can account for a variety of experimental data. In particular, it can explain the persistent 3-4 sigma discrepancy between the experimental result for the…

High Energy Physics - Phenomenology · Physics 2021-12-22 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

A possible discovery of a relatively light charged Higgs boson H^+ in near future experiments, with a mass M_{H+} ~< 110 GeV, together with the present LEP2 direct limits on the chargino and neutral Higgs sectors, would disfavour the…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Panagiotakopoulos , A. Pilaftsis

Using renormalization group techniques, we examine several interesting relations among masses and mixing angles of quarks and leptons in the Standard Model. We extend the analysis to the minimal supersymmetric extension to determine its…

High Energy Physics - Phenomenology · Physics 2009-10-22 H. Arason , D. J. Castano , E. J. Piard , P. Ramond

Inspired by the recent measurements of the muon and electron anomalous magnetic moments, the rapid progress of the LHC search for supersymmetry, and the significantly improved sensitivities of dark matter direct detection experiments, we…

High Energy Physics - Phenomenology · Physics 2023-06-13 Junjie Cao , Lei Meng , Yuanfang Yue

Simplified models are a successful way of interpreting current LHC searches for models beyond the standard model (BSM). So far simplified models have focused on topologies featuring a missing transverse energy (MET) signature. However, in…

High Energy Physics - Phenomenology · Physics 2016-03-29 Jan Heisig , Andre Lessa , Loic Quertenmont

We perform a detailed analysis of the next-to-minimal supersymmetric standard model (NMSSM), imposing the constraints of two-loop gauge coupling unification, universal soft supersymmetry breaking and the correct pattern of electroweak…

High Energy Physics - Phenomenology · Physics 2016-08-24 S. F. King , P. L. White

The constraints imposed on the Minimal Supersymmetric Standard Model (MSSM) parameter space by the Large Hadron Collider (LHC) Higgs mass limit and gluino mass lower bound are revisited. We also analyze the thermal relic abundance of…

High Energy Physics - Phenomenology · Physics 2016-01-12 W. Abdallah , S. Khalil

A recent CMS analysis has reported the observation of an excess in the invariant mass distribution of the opposite-sign same-flavour lepton pair, which can be interpreted as a kinematic edge due to new physics. Using collider simulation…

High Energy Physics - Phenomenology · Physics 2015-03-23 Philipp Grothaus , Seng Pei Liew , Kazuki Sakurai

We discuss the Higgs sector of the supersymmetric standard model extended by a gauge singlet for the range of parameters, which is compatible with universal soft supersymmetry breaking terms at the GUT scale. We present results for the…

High Energy Physics - Phenomenology · Physics 2009-10-28 U. Ellwanger , M. Rausch de Traubenberg , C. A. Savoy

LEP and SLC provide accurate data on the process (e^+e^- -> f bar f) at the Z resonance. The GigaZ option at a future linear e^+e^- collider (ILC) will further improve these measurements. As a consequence, theory predictions with…

High Energy Physics - Phenomenology · Physics 2007-10-17 S. Heinemeyer , W. Hollik , A. M. Weber , G. Weiglein

We discuss constrained and semi--constrained versions of the next--to--minimal supersymmetric extension of the Standard Model (NMSSM) in which a singlet Higgs superfield is added to the two doublet superfields that are present in the…

High Energy Physics - Phenomenology · Physics 2014-11-18 A. Djouadi , M. Drees , U. Ellwanger , R. Godbole , C. Hugonie , S. F. King , S. Lehti , S. Moretti , A. Nikitenko , I. Rottlaender , M. Schumacher , A. Teixeira

We analyze the Minimal Supersymmetric extension of the Standard Model that we have after the discovery of the Higgs boson at the LHC, the hMSSM (habemus MSSM?), i.e. a model in which the lighter $h$ boson has a mass of approximately 125 GeV…

High Energy Physics - Phenomenology · Physics 2014-05-12 A. Djouadi , L. Maiani , G. Moreau , A. Polosa , J. Quevillon , V. Riquer