Suppression of Proton Decay in the Missing-Partner Model for SupersymmetricSU(5) GUT | Zendy

Junji Hisano | Zendy

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Suppression of Proton Decay in the Missing-Partner Model for SupersymmetricSU(5) GUT

Author(s) -

Junji Hisano

Publication year - 1996

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.123.301

Subject(s) - proton decay , yukawa potential , physics , grand unified theory , particle physics , coupling constant , supersymmetry , gravitation , proton , unification , so(10) , coupling (piping) , minimal supersymmetric standard model , gauge (firearms) , nuclear physics , quantum mechanics , computer science , mechanical engineering , archaeology , engineering , history , programming language

The Peccei-Quinn symmetric extension of the missing-partner model in thesupersymmetric SU(5) grand unified model is consistent with the observedstability of the proton, even in the large $\tan\beta$ region ($\simeq 50-60$)expected from the Yukawa unification. Moreover, the SU(5) gauge couplingconstant remains small enough for the perturbative description of GUT's belowthe gravitational scale.Comment: Talk given at Yukawa International Seminar '95: from the Standard Model to Grand Unified Theories, Kyoto, Japan, August. 21-2

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