GUT-inspired supersymmetric model for h → γ γ and the muon g - 2

Ajaib, M. Adeel; Gogoladze, Ilia; Shafi, Qaisar

doi:10.1103/PhysRevD.91.095005

Title: GUT-inspired supersymmetric model for $h \to γ γ$ and the muon $g - 2$

Journal Article · Wed May 06 00:00:00 EDT 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.91.095005· OSTI ID:1179721

Ajaib, M. Adeel; Gogoladze, Ilia; Shafi, Qaisar

We study a grand unified theories inspired supersymmetric model with nonuniversal gaugino masses that can explain the observed muon g-2 anomaly while simultaneously accommodating an enhancement or suppression in the h→γγ decay channel. In order to accommodate these observations and m_h≅125 to 126 GeV, the model requires a spectrum consisting of relatively light sleptons whereas the colored sparticles are heavy. The predicted stau mass range corresponding to R_γγ≥1.1 is 100 GeV≲m_τ˜≲200 GeV. The constraint on the slepton masses, particularly on the smuons, arising from considerations of muon g-2 is somewhat milder. The slepton masses in this case are predicted to lie in the few hundred GeV range. The colored sparticles turn out to be considerably heavier with m_g˜≳4.5 TeV and m_t˜₁≳3.5 TeV, which makes it challenging for these to be observed at the 14 TeV LHC.

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Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-91ER40626

OSTI ID:: 1179721

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Vol. 91 Journal Issue: 9; ISSN 1550-7998

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 20 works

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