Supersymmetry breaking in a warped slice with Majorana-type masses | Zendy

Hiroyuki Abé | Zendy; Yutaka Sakamura | Zendy

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Supersymmetry breaking in a warped slice with Majorana-type masses

Author(s) -

Hiroyuki Abé,

Yutaka Sakamura

Publication year - 2007

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 - 10.1088/1126-6708/2007/03/106

Subject(s) - physics , gravitino , orbifold , particle physics , supergravity , majorana , gaugino , supersymmetry , twist , supersymmetry breaking , theoretical physics , mathematical physics , fermion , geometry , mathematics

We study the five-dimensional (5D) supergravity compactified on an orbifoldS^1/Z_2, where the U(1)_R symmetry is gauged by the graviphoton with Z_2-evencoupling. In contrast to the case of gauging with Z_2-odd coupling, this classof models has Majorana-type masses and allows the Scherk-Schwarz (SS) twisteven in the warped spacetime. Starting from the off-shell formulation, we showthat the supersymmetry is always broken in an orbifold slice of AdS_5,irrespective of the value of the SS twist parameter. We analyze the spectra ofgaugino and gravitino in such background, and find the SS twist can providesizable effects on them in the small warping region.Comment: 1+20 pages, 6 figure

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