Updated global fits of the cMSSM including the latest LHC SUSY and Higgs searches and XENON100 data

We present new global fits of the constrained Minimal Supersymmetric Standard Model (cMSSM), including LHC 1/fb integrated luminosity SUSY exclusion limits, recent LHC 5/fb constraints on the mass of the Higgs boson and XENON100 direct detection data. Our analysis fully takes into account astrophysi...

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Veröffentlicht in:Journal of cosmology and astroparticle physics 2012-03, Vol.2012 (3), p.i-20
Hauptverfasser: Strege, C, Bertone, G, Cerdeno, D G, nasa, M, de Austri, R Ruiz, Trotta
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container_issue 3
container_start_page i
container_title Journal of cosmology and astroparticle physics
container_volume 2012
creator Strege, C
Bertone, G
Cerdeno, D G
nasa, M
de Austri, R Ruiz
Trotta
description We present new global fits of the constrained Minimal Supersymmetric Standard Model (cMSSM), including LHC 1/fb integrated luminosity SUSY exclusion limits, recent LHC 5/fb constraints on the mass of the Higgs boson and XENON100 direct detection data. Our analysis fully takes into account astrophysical and hadronic uncertainties that enter the analysis when translating direct detection limits into constraints on the cMSSM parameter space. We provide results for both a Bayesian and a Frequentist statistical analysis. We find that LHC 2011 constraints in combination with XENON100 data can rule out a significant portion of the cMSSM parameter space. Our results further emphasise the complementarity of collider experiments and direct detection searches in constraining extensions of Standard Model physics. The LHC 2011 exclusion limit strongly impacts on low-mass regions of cMSSM parameter space, such as the stau co-annihilation region, while direct detection data can rule out regions of high SUSY masses, such as the Focus-Point region, which is unreachable for the LHC in the near future. We show that, in addition to XENON100 data, the experimental constraint on the anomalous magnetic moment of the muon plays a dominant role in disfavouring large scalar and gaugino masses. We find that, should the LHC 2011 excess hinting towards a Higgs boson at 126 GeV be confirmed, currently favoured regions of the cMSSM parameter space will be robustly ruled out from both a Bayesian and a profile likelihood statistical perspective.
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subjects ANNIHILATION
ASTROPHYSICS
Bayesian analysis
BEAM LUMINOSITY
CERN LHC
Constraining
Cosmology
GEV RANGE
HADRONS
HIGGS BOSONS
HIGGS MODEL
Large Hadron Collider
MAGNETIC MOMENTS
Mathematical models
MUONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
REST MASS
SCALARS
Searching
SENSITIVITY
SPACE
SPARTICLES
STANDARD MODEL
Standard model (particle physics)
SUPERSYMMETRY
title Updated global fits of the cMSSM including the latest LHC SUSY and Higgs searches and XENON100 data
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