Suppressing proton decay in theories with localised fermions | Zendy

B. S. Acharya | Zendy; Roberto Valandro | Zendy

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Suppressing proton decay in theories with localised fermions

Author(s) -

B. S. Acharya,

Roberto Valandro

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/08/038

Subject(s) - physics , proton decay , fermion , particle physics , neutrino , context (archaeology) , quark , proton , gauge theory , amplitude , gauge (firearms) , physics beyond the standard model , quantum electrodynamics , nuclear physics , quantum mechanics , history , paleontology , archaeology , biology

We calculate the contribution to the proton decay amplitude from Kaluza-Kleinlepto-quarks in theories with extra dimensions, localised fermions and gaugefields which propagate in the bulk. Such models naturally occur within thecontext of M-theory. In SU(5) models we show that carefully including all suchmodes gives a distinctive pattern of decays through various channels includinga strong suppression of decays into neutrinos or right handed positrons. Bycontrast there is no such suppression for SO(10).Comment: 19 page

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