Status of supersymmetric type-I seesaw in SO(10) inspired models

  • Calibbi, L
  • Chowdhury, D
  • Masiero, A
  • Patel, KM
  • Vempati, SK
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Publication date
January 2012
Publisher
SPRINGER

Abstract

We report on the status of supersymmetric seesaw models in the light of recent experimental results on mu -> e + gamma, theta(13) and the light Higgs mass at the LHC. SO(10)-like relations are assumed for neutrino Dirac Yukawa couplings and two cases of mixing, one large, PMNS-like, and another small, CKM-like, are considered. It is shown that for the large mixing case, only a small range of parameter space with moderate tan beta is still allowed. This remaining region can be ruled out by an order of magnitude improvement in the current limit on BR(mu -> e + gamma). We also explore a model with non-universal Higgs mass boundary conditions at the high scale. It is shown that the renormalization group induced flavor violating slepton mass ter...

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