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Flavor physics at large tan beta with a binolike lightest supersymmetric particle

AuthorsIsidori, Gino; Mescia, F.; Paradisi, Paride ; Temes, David
KeywordsLepton flavour
Standard Model
Relic density
Neutrino masses
[PACS] Supersymmetric unified models
[PACS] Hadronic decays of bottom mesons
[PACS] Decays of leptons
[PACS] Dark matter (stellar, interstellar, galactic, and cosmological)
Issue Date28-Jun-2007
PublisherAmerican Physical Society
CitationPhysical Review D 75(11): 115019 (2007)
AbstractThe minimal supersymmetric extension of the standard model with large tanβ and heavy squarks (M-q >~ 1 TeV) is a theoretically well-motivated and phenomenologically interesting extension of the standard model. This scenario naturally satisfies all the electroweak precision constraints and, in the case of not too heavy slepton sector (M-center dot <~ 0.5 TeV), can also easily accommodate the (g-2)(μ) anomaly. Within this framework nonstandard effects could possibly be detected in the near future in a few low-energy flavor violating observables, such as B(B -> τv), B(B-(s,d) ->center dot(+)center dot(-)), B(B -> X-s γ), and B(μ -> eγ). Interpreting the (g-2)(μ) anomaly as the first hint of this scenario, we analyze the correlations of these low-energy observables under the additional assumption that the relic density of a binolike lightest supersymmetric particle accommodates the observed dark-matter distribution.
Description12 pages, 7 figures.-- PACS nrs.: 12.60.Jv; 13.25.Hw; 13.35.-r; 95.35.+d.-- ISI Article Identifier: 000247625300053.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0703035
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.75.115019
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