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Related papers: Likelihood Analysis of the CMSSM Parameter Space

200 papers

On the basis of frequentist analyses of experimental constraints from electroweak precision data, g-2, B physics and cosmological data, we investigate the parameters of the constrained MSSM (CMSSM) with universal soft supersymmetry-breaking…

High Energy Physics - Phenomenology · Physics 2009-11-10 O. Buchmueller , R. Cavanaugh , A. De Roeck , J. R. Ellis , H. Flächer , S. Heinemeyer , G. Isidori , K. A. Olive , F. J. Ronga , G. Weiglein

We discuss the interpretation of present and possible future experimental constraints on B_s to mu^+ mu^- decay in the context of the constrained minimal extension of the Standard Model (CMSSM) with universal scalar masses. We emphasize the…

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

We calculate the likelihood map in the full 7 dimensional parameter space of the minimal supersymmetric standard model (MSSM) assuming universal boundary conditions on the supersymmetry breaking terms. Simultaneous variations of m_0, A_0,…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. C. Allanach , C. G. Lester

In view of the imminent start of the LHC experimental programme, we use the available indirect experimental and cosmological information to estimate the likely range of parameters of the constrained minimal supersymmetric extension of the…

High Energy Physics - Phenomenology · Physics 2009-02-10 O. Buchmueller , R. Cavanaugh , A. De Roeck , J. R. Ellis , H. Flaecher , S. Heinemeyer , G. Isidori , K. A. Olive , P. Paradisi , F. J. Ronga , G. Weiglein

The Constrained Minimal Supersymmetric Standard Model (CMSSM) is one of the simplest and most widely-studied supersymmetric extensions to the standard model of particle physics. Nevertheless, current data do not sufficiently constrain the…

High Energy Physics - Phenomenology · Physics 2015-03-13 Yashar Akrami , Pat Scott , Joakim Edsjö , Jan Conrad , Lars Bergström

The status of the constrained minimal supersymmetric standard model (CMSSM) will be discussed in light of our current understanding of the relic density after WMAP. A global likelihood analysis of the model is performed including data from…

High Energy Physics - Phenomenology · Physics 2007-05-23 Keith A. Olive

Without assuming that Higgs masses have the same values as other scalar masses at the input GUT scale, we combine constraints on the minimal supersymmetric extension of the Standard Model (MSSM) coming from the cold dark matter density with…

High Energy Physics - Phenomenology · Physics 2008-11-26 John Ellis , Keith A. Olive , Yudi Santoso

We analyze the parametric space of the constrained minimal supersymmetric standard model (CMSSM) with mu>0 supplemented by a generalized asymptotic Yukawa coupling quasi-unification condition which yields acceptable masses for the fermions…

High Energy Physics - Phenomenology · Physics 2015-09-02 N. Karagiannakis , G. Lazarides , C. Pallis

We present a maximum likelihood analysis of cosmological parameters from measurements of the aperture mass up to 35 arcmin, using simulated and real cosmic shear data. A four-dimensional parameter space is explored which examines the mean…

Astrophysics · Physics 2009-11-07 L. Van Waerbeke , Y. Mellier , R. Pello , U-L. Pen , H. J. McCracken , B. Jain

We re-examine the parameter space of the constrained minimal supersymmetric extension of the Standard Model (CMSSM), taking account of the restricted range of \Omega_{CDM} h^2 consistent with the WMAP data. This provides a significantly…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Ellis , K. A. Olive , Y. Santoso , V. C. Spanos

Motivated by the latest results of the LHC Run-2 and LUX experiments, we examine the status of the constrained minimal supersymmetric standard model (CMSSM) by performing a global fit. We construct a likelihood function including the…

High Energy Physics - Phenomenology · Physics 2017-04-19 Chengcheng Han , Ken-ichi Hikasa , Lei Wu , Jin Min Yang , Yang Zhang

We consider very constrained versions of the minimal supersymmetric extension of the Standard Model (VCMSSMs) which, in addition to constraining the scalar masses m_0 and gaugino masses m_{1/2} to be universal at some input scale, impose…

High Energy Physics - Phenomenology · Physics 2008-11-26 John Ellis , Keith A. Olive , Yudi Santoso , Vassilis C. Spanos

We study the allowed parameter space of the constrained minimal supersymmetric Standard Model (cMSSM) in the light of direct searches, constraints from $B$-physics (including the recent measurement of the branching ratio for $B_s \to…

High Energy Physics - Phenomenology · Physics 2013-05-30 Diptimoy Ghosh , Monoranjan Guchait , Sreerup Raychaudhuri , Dipan Sengupta

Indirect information about the possible scale of supersymmetry (SUSY) breaking is provided by B-physics observables (BPO) as well as electroweak precision observables (EWPO). We combine the constraints imposed by recent measurements of the…

High Energy Physics - Phenomenology · Physics 2009-01-06 J. Ellis , S. Heinemeyer , K. A. Olive , A. M. Weber , G. Weiglein

We describe a likelihood analysis using MasterCode of variants of the MSSM in which the soft supersymmetry-breaking parameters are assumed to have universal values at some scale $M_{in}$ below the supersymmetric grand unification scale…

The CMS and ATLAS Collaborations have recently published the results of initial direct LHC searches for supersymmetry analyzing ~ 35/pb of data taken at 7 TeV in the centre of mass. We incorporate these results into a frequentist analysis…

High Energy Physics - Phenomenology · Physics 2015-05-27 O. Buchmueller , R. Cavanaugh , D. Colling , A. De Roeck , M. J. Dolan , J. R. Ellis , H. Flacher , S. Heinemeyer , G. Isidori , K. Olive , S. Rogerson , F. Ronga , G. Weiglein

Recent CMS data significantly extend the direct search exclusion for supersymmetry. We examine the impact of such data on global fits of the constrained minimal supersymmetric standard model (CMSSM) to indirect and cosmological data. By…

High Energy Physics - Phenomenology · Physics 2015-03-19 B. C. Allanach

Within the Constrained Minimal Supersymmetric Standard Model (CMSSM) it is possible to predict the low energy gauge couplings and masses of the 3.generation particles from a few parameters at the GUT scale, and electroweak symmetry…

High Energy Physics - Phenomenology · Physics 2008-02-03 W. de Boer , G. Burkart , R. Ehret , W. Oberschulte-Beckmann , V. Bednyakov , S. G. Kovalenko

We update a previously-proposed set of supersymmetric benchmark scenarios, taking into account the precise constraints on the cold dark matter density obtained by combining WMAP and other cosmological data, as well as the LEP and b -> s…

High Energy Physics - Phenomenology · Physics 2009-09-11 M. Battaglia , A. De Roeck , J. Ellis , F. Gianotti , K. A. Olive , L. Pape

The excluded tan(beta) range and Higgs boson mass regions in the framework of the Minimal Supersymmetric extension of the Standard Model (MSSM) depend on several parameters. The Higgs boson masses, cross-sections and branching fractions…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andre Sopczak
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