Gauging the R symmetry of old minimal R+R2 supergravity
Aldabergenov Y.
15 June 2022American Physical Society
Physical Review D
2022#105Issue 12
Old minimal R+R2 supergravity has a U(1) R symmetry which rotates the chiral curvature superfield. We gauge this R symmetry and study new interactions involving the gauge multiplet in the context of inflation and supersymmetry breaking. We construct models where supersymmetry and the R symmetry are spontaneously broken during and after Starobinsky inflation, and one-loop gauge anomalies are canceled by the Green-Schwarz mechanism which can also generate Standard Model gaugino masses. The hierarchy between the auxiliary fields, «F»«D», leads to split mass spectrum where the chiral multiplet masses are around the inflationary scale (1013 GeV), while the gauge multiplet masses can be arbitrarily small.
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Department of Physics, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
Department of Theoretical and Nuclear Physics, Al-Farabi Kazakh National University, 71 Al-Farabi Avenue, Almaty, 050040, Kazakhstan
Institute of Nuclear Physics, 1 Ibraginov Street, Almaty, 050032, Kazakhstan
Department of Physics
Department of Theoretical and Nuclear Physics
Institute of Nuclear Physics
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