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Updated reach of CERN LHC and constraints from relic density,b→s γ and aμin the mSUGRA model

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Baer, Howard, Balázs, Csaba, Belyaev, Alexander, Krupovnickas, Tadas, Tata, Xerxes·2003·Journal of High Energy Physics

Abstract

We present an updated assessment of the reach of the CERN LHC pp collider for supersymmetric matter in the context of the minimal supergravity (mSUGRA) model. In addition to previously examined channels, we also include signals with an isolated photon or with a leptonically decaying Z boson. For an integrated luminosity of 100 fb−1, values of m1/2 ~ 1400 GeV can be probed for small m0, corresponding to a gluino mass of m ~ 3 TeV. For large m0, in the hyperbolic branch/focus point region, m1/2 ~ 700 GeV can be probed, corresponding to m ~ 1800 GeV. We also map out parameter space regions preferred by the measured values of the dark matter relic density, the b→sγ decay rate, and the muon anomalous magnetic moment aμ, and discuss how SUSY might reveal itself in these regions. We find the CERN LHC can probe the entire stau co-annihilation region and also most of the heavy Higgs annihilation funnel allowed by WMAP data, except for some range of large m0 and m1/2 if tan β50.

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Metadata

Authors
Baer, H., Balázs, C., Belyaev, A., Krupovnickas, T., & Tata, X.
Venue
Journal of High Energy Physics
Published
2003-06-27
Volume
2003
Issue
06
Pages
054-054
ISSN
1029-8479 (ISSN-L)
OpenAlex
W2062588395
Cited by
176
References
2
FWCI
10.96
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Updated reach of CERN LHC and constraints from relic density,b→s γ and aμin the mSUGRA model. https://app.cochat.ai/papers/10.1088/1126-6708/2003/06/054
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Baer, H., Balázs, C., Belyaev, A., Krupovnickas, T., & Tata, X. (2003). Updated reach of CERN LHC and constraints from relic density,b→s γ and aμin the mSUGRA model. Journal of High Energy Physics. https://doi.org/10.1088/1126-6708/2003/06/054

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