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Related papers: Displaced vertices in GMSB models at LHC

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We evaluate the supersymmetry reach of the Large Hadron Collider within the gauge-mediated low energy supersymmetry breaking framework, assuming that a neutralino is the second lightest sparticle and that it decays promptly into a gravitino…

High Energy Physics - Phenomenology · Physics 2009-10-31 Howard Baer , Pedro G. Mercadante , Frank Paige , Xerxes Tata , Yili Wang

Assuming gauge-mediated supersymmetry breaking, we simulate precision measurements of fundamental parameters at a 500 GeV e+e- linear collider in the scenario where a neutralino is the next-to-lightest supersymmetric particle. Information…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sandro Ambrosanio , Grahame A. Blair

Gauge mediated supersymmetry breaking (GMSB) is a theoretically well-motivated framework with rich and varied collider phenomenology. In this paper, we study the Tevatron limits and LHC discovery potential for a wide class of GMSB scenarios…

High Energy Physics - Phenomenology · Physics 2015-05-27 Joshua T. Ruderman , David Shih

Supersymmetric theories with bilinear R-parity violation can give rise to the observed neutrino masses and mixings. One important feature of such models is that the lightest supersymmetric particle might have a sufficiently large lifetime…

High Energy Physics - Phenomenology · Physics 2009-10-02 F. de Campos , O. J. P. Eboli , M. B. Magro , D. Restrepo

The spectrum of supersymmetric theories with R-parity violation are much more weakly constrained than that of supersymmetric theories with a stable neutralino. We investigate the signatures of supersymmetry at the LHCb experiment in the…

High Energy Physics - Phenomenology · Physics 2009-04-22 David E. Kaplan , Keith Rehermann

We simulate precision measurements of gauge-mediated supersymmetry breaking (GMSB) parameters at a 500 GeV e+e- linear collider in the scenario where a neutralino is the next-to-lightest supersymmetric particle. Information on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sandro Ambrosanio , Grahame A. Blair

Low-scale gauge-mediated supersymmetry(SUSY)-breaking (GMSB) models with gravitino mass m_{3/2}<16 eV are attractive, since there are no flavor and cosmological problems. In this paper, we thoroughly study the collider signal in the case…

High Energy Physics - Phenomenology · Physics 2015-03-17 Eita Nakamura , Satoshi Shirai

The experimental signatures for low energy supersymmetry breaking are presented. The lightest standard model superpartner is unstable and decays to its partner plus a Goldstino, $G$. For a supersymmetry breaking scale below a few 1000 TeV…

High Energy Physics - Phenomenology · Physics 2009-10-28 Savas Dimopoulos , Michael Dine , Stuart Raby , Scott Thomas , James D. Wells

In extended supersymmetric models with additional singlet Higgs fields displaced vertices could be observed if the decay width of the next-to-lightest supersymmetric particle becomes very small due to a singlino dominated LSP. We study the…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Hesselbach , F. Franke , H. Fraas

We study the LHC phenomenology of the next-to-minimal model of gauge-mediated supersymmetry breaking (NMGMSB), both for Run I and Run II. The Higgs phenomenology of the model is consistent with observations: a 125 GeV Standard Model-like…

High Energy Physics - Phenomenology · Physics 2016-09-21 B. C. Allanach , Marcin Badziak , Giovanna Cottin , Nishita Desai , Cyril Hugonie , Robert Ziegler

The discovery potential of the LHC is investigated for the minimal anomaly-mediated supersymmetry breaking (mAMSB) scenario, using the ATLAS fast detector simulator, including track reconstruction and particle identification. Generic…

High Energy Physics - Phenomenology · Physics 2007-11-27 A. J. Barr , B. C. Allanach , C. G. Lester , M. A. Parker , P. Richardson

We investigate a neutrino mass model in which the neutrino data is accounted for by bilinear R-parity violating supersymmetry with anomaly mediated supersymmetry breaking. We focus on the CERN Large Hadron Collider (LHC) phenomenology,…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. de Campos , M. A. Diaz , O. J. P. Eboli , M. B. Magro , W. Porod , S. Skadhauge

Gauge Mediated Supersymmetry Breaking (GMSB) models provide a possible mechanism to mediate Supersymmetry to the visible sector. In these models the lightest supersymmetric particle (LSP) is usually the gravitino, while the next-to-lightest…

High Energy Physics - Experiment · Physics 2019-08-13 Dorthe Ludwig

The lightest supersymmetric particle may decay with branching ratios that correlate with neutrino oscillation parameters. In this case the CERN Large Hadron Collider (LHC) has the potential to probe the atmospheric neutrino mixing angle…

High Energy Physics - Phenomenology · Physics 2014-11-21 F. De Campos , O. J. P. Eboli , M. Hirsch , M. B. Magro , W. Porod , D. Restrepo , J. W. F. Valle

We study the implications at the LHC for the minimal (least) version of the supersymmetric standard model. In this model supersymmetry is broken by gravity and extra gauge interactions effects, providing a spectrum similar in several…

High Energy Physics - Phenomenology · Physics 2014-04-15 J. de Blas , A. Delgado , B. Ostdiek

We discuss the prospects for detecting supersymmetric particles in variants of the minimal supersymmetric extension of the Standard Model (MSSM), in light of laboratory and cosmological constraints. We first assume that the lightest…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Keith A. Olive , Yudi Santoso , Vassilis C. Spanos

We consider a general class of models with gauge-mediated supersymmetry breaking in which the gravitino is the lightest supersymmetric particle. Several qualitatively different scenarios arise for the phenomenology of such models, depending…

High Energy Physics - Phenomenology · Physics 2010-04-06 S. Ambrosanio , Graham D. Kribs , Stephen P. Martin

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

The invariant mass distribution of the di-photons from the decay of the lighter scalar Higgs boson(h) to be carefully measured by dedicated h search experiments at the LHC may be distorted by the di-photons associated with the squark-gluino…

High Energy Physics - Phenomenology · Physics 2015-05-27 Biplob Bhattacherjee , Amitava Datta

We investigate signatures induced by a very light pseudoscalar Higgs in neutralino decays in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and determine their observability at the LHC. We concentrate on scenarios which feature…

High Energy Physics - Phenomenology · Physics 2014-02-17 David G. Cerdeno , Pradipta Ghosh , Chan Beom Park , Miguel Peiro
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