Searching singlet extensions of the supersymmetric standard model in $Z_{6−II}$ orbifold compactification of heterotic string - Archive ouverte HAL Access content directly
Journal Articles European Physical Journal C: Particles and Fields Year : 2010

Searching singlet extensions of the supersymmetric standard model in $Z_{6−II}$ orbifold compactification of heterotic string

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M. Chemtob
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Abstract

We search for supersymmetric standard model realizations with extra singlets and extra U(1) using the heterotic string compactification on the $Z_{6−II}$ orbifold with two Wilson lines. The effective superpotential produced through the vacuum restabilization mechanism is examined for three representative Pati-Salam string models obtained in the literature. An automated selection of semirealistic vacua along flat directions in the non-Abelian singlet modes field space is performed by requiring the presence of massless pairs of electroweak Higgs bosons having trilinear superpotential couplings with massless singlet modes and the decoupling of color triplet exotic modes needed to suppress $B$ and $L$ number violating processes.
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Dates and versions

cea-02905677 , version 1 (23-07-2020)

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M. Chemtob, P. Hosteins. Searching singlet extensions of the supersymmetric standard model in $Z_{6−II}$ orbifold compactification of heterotic string. European Physical Journal C: Particles and Fields, 2010, 68 (3-4), pp.539-559. ⟨10.1140/epjc/s10052-010-1377-4⟩. ⟨cea-02905677⟩
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