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Recent results of the searches for Supersymmetry in final states with one or two leptons at CMS are presented. Many Supersymmetry scenarios, including the Constrained Minimal Supersymmetric extension of the Standard Model (CMSSM), predict a…

High Energy Physics - Experiment · Physics 2019-08-13 Hannes Schettler

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 calculate supersymmetric mass spectra with cMSSM boundary conditions and a type-I seesaw mechanism added to explain current neutrino data. Using published, estimated errors on SUSY mass observables for a combined LHC+ILC analysis, we…

High Energy Physics - Phenomenology · Physics 2015-06-03 Carolina Arbeláez , Martin Hirsch , Laslo Reichert

In most (weakly interacting) extensions of the Standard Model the relation mapping the parameter values onto experimentally measurable quantities can be computed (with some uncertainties), but the inverse relation is usually not known. In…

High Energy Physics - Phenomenology · Physics 2013-10-30 Nicki Bornhauser , Manuel Drees

We propose a rigorous and effective way to compare experimental and theoretical histograms, incorporating the different sources of statistical and systematic uncertainties. This is a useful tool to extract as much information as possible…

High Energy Physics - Phenomenology · Physics 2015-03-19 M. E. Cabrera , J. A. Casas , V. A. Mitsou , R. Ruiz de Austri , J. Terron

High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when higher-order corrections are included. We…

High Energy Physics - Phenomenology · Physics 2009-01-07 J. A. Aguilar-Saavedra , A. Ali , B. C. Allanach , R. Arnowitt , H. A. Baer , J. A. Bagger , C. Balazs , V. Barger , M. Barnett , A. Bartl , M. Battaglia , P. Bechtle , G. Belanger , A. Belyaev , E. L. Berger , G. Blair , E. Boos , M. Carena , S. Y. Choi , F. Deppisch , A. De Roeck , K. Desch , M. A. Diaz , A. Djouadi , B. Dutta , S. Dutta , H. Eberl , J. Ellis , J. Erler , H. Fraas , A. Freitas , T. Fritzsche , R. M. Godbole , G. J. Gounaris , J. Guasch , J. Gunion , N. Haba , H. E. Haber , K. Hagiwara , L. Han , T. Han , H. -J. He , S. Heinemeyer , S. Hesselbach , K. Hidaka , I. Hinchliffe , M. Hirsch , K. Hohenwarter-Sodek , W. Hollik , W. S. Hou , T. Hurth , I. Jack , Y. Jiang , D. R. T. Jones , J. Kalinowski , T. Kamon , G. Kane , S. K. Kang , T. Kernreiter , W. Kilian , C. S. Kim , S. F. King , O. Kittel , M. Klasen , J. -L. Kneur , K. Kovarik , M. Kramer , S. Kraml , R. Lafaye , P. Langacker , H. E. Logan , W. -G. Ma , W. Majerotto , H. -U. Martyn , K. Matchev , D. J. Miller , M. Mondragon , G. Moortgat-Pick , S. Moretti , T. Mori , G. Moultaka , S. Muanza , M. M. Muhlleitner , B. Mukhopadhyaya , U. Nauenberg , M. M. Nojiri , D. Nomura , H. Nowak , N. Okada , K. A. Olive , W. Oller , M. Peskin , T. Plehn , G. Polesello , W. Porod , F. Quevedo , D. Rainwater , J. Reuter , P. Richardson , K. Rolbiecki , P. Roy , R. Ruckl , H. Rzehak , P. Schleper , K. Siyeon , P. Skands , P. Slavich , D. Stockinger , P. Sphicas , M. Spira , T. Tait , D. R. Tovey , J. W. F. Valle , C. E. M. Wagner , Ch. Weber , G. Weiglein , P. Wienemann , Z. -Z. Xing , Y. Yamada , J. M. Yang , D. Zerwas , P. M. Zerwas , R. -Y. Zhang , X. Zhang , S. -H. Zhu

This paper discusses the ATLAS potential to study Supersymmetry for the "Focus-Point" region of the parameter space of mSUGRA models. The potential to discovery a deviation from Standard Model expectations with the first few ${fb}^{-1}$ of…

High Energy Physics - Experiment · Physics 2008-11-26 U. De Sanctis , T. Lari , S. Montesano , C. Troncon

We present the searches for supersymmetry (SUSY) in two channels, two photons plus missing transverse energy and a photon plus a lepton plus missing transverse energy with the CMS detector using approximately 36 $\rm{pb}^{-1}$ of pp…

High Energy Physics - Experiment · Physics 2019-08-13 Duong Nguyen

The four-lepton final state, rare in standard model processes, is an attractive channel for new physics searches at the LHC. In supersymmetry (SUSY), charged leptons may arise from R-Parity conserving (RPC) cascade decays of SUSY particles…

High Energy Physics - Experiment · Physics 2014-09-01 Maximilian Goblirsch-Kolb

Uncertainties of the MSSM predictions are due to an unknown SUSY breaking mechanism. To reduce these uncertainties, one usually imposes constraints on the MSSM parameter space. Recently, two new constraints became available, both from…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Yu. Bogachev , A. V. Gladyshev , D. I. Kazakov , A. S. Nechaev

Final states with leptons, jets and missing transverse energy are a promising way to detect Supersymmetry at the Large Hadron Collider. Results of simulation studies performed by the CMS and ATLAS collaborations are presented. The discovery…

High Energy Physics - Phenomenology · Physics 2007-10-26 Massimiliano Chiorboli

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. Already with early LHC data, the ATLAS experiment should be sensitive to…

High Energy Physics - Experiment · Physics 2009-10-30 Janet Dietrich

Although supersymmetry (SUSY) is thirty five years old, it is still one of the most attractive theories for physics beyond the standard model. Assuming that SUSY will be discovered at the LHC, the key question is: What SUSY model do we…

High Energy Physics - Phenomenology · Physics 2013-01-11 C. Munoz

Recent results of searches for supersymmetry by the ATLAS collaboration in up to 2 fb-1 of sqrt(s) = 7 TeV pp collisions at the LHC are reported.

High Energy Physics - Experiment · Physics 2015-06-03 Paul de Jong

We present the most comprehensive global fits to date of three supersymmetric models motivated by grand unification: the Constrained Minimal Supersymmetric Standard Model (CMSSM), and its Non-Universal Higgs Mass generalisations NUHM1 and…

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

Characteristic examples are presented of scenarios of particle production and decay in supersymmetry models in which the supersymmetry breaking is transmitted to the observable world via gauge interactions. The cases are chosen to…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Hinchliffe , F. E. Paige

The discovery of supersymmetry (SUSY) via action of the cold dark matter candidate is being led on the indirect collider production front by the LHC, and correspondingly by the XENON100 collaboration on the direct detection front. We…

High Energy Physics - Phenomenology · Physics 2012-12-12 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

Supersymmetry (SUSY) is a theory that gives an explanation for the strong and electroweak interactions from the grand unification scale down to the weak scale. The search for supersymmetric particles still continues at full speed at the LHC…

High Energy Physics - Phenomenology · Physics 2016-06-07 Nasuf Sonmez

We review results from our frequentist analysis of the parameter space of the pMSSM10, in which the following 10 soft SUSY-breaking parameters are specified independently at the mean scalar top mass scale Msusy = \sqrt{M_stop1 M_stop2}: the…

High Energy Physics - Phenomenology · Physics 2016-02-26 S. Heinemeyer