Dirac neutrino masses from generalized supersymmetry breaking

Durmuş A. Demir; Lisa L. Everett; Paul Langacker

doi:10.1103/PhysRevLett.100.091804

Dirac neutrino masses from generalized supersymmetry breaking

Durmuş A. Demir, Lisa L. Everett, Paul Langacker

Physics

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We demonstrate that Dirac neutrino masses in the experimentally preferred range are generated within supersymmetric gauge extensions of the standard model with a generalized supersymmetry breaking sector. If the superpotential neutrino Yukawa terms are forbidden by the gauge symmetry [such as a U(1)′], sub-eV scale effective Dirac mass terms can arise at tree level from hard supersymmetry breaking Yukawa couplings, or at one loop due to nonanalytic soft supersymmetry breaking trilinear scalar couplings. The radiative neutrino magnetic and electric dipole moments vanish at one-loop order.

Original language	English (US)
Article number	091804
Journal	Physical review letters
Volume	100
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.100.091804
State	Published - Mar 7 2008

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.100.091804

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AB - We demonstrate that Dirac neutrino masses in the experimentally preferred range are generated within supersymmetric gauge extensions of the standard model with a generalized supersymmetry breaking sector. If the superpotential neutrino Yukawa terms are forbidden by the gauge symmetry [such as a U(1)′], sub-eV scale effective Dirac mass terms can arise at tree level from hard supersymmetry breaking Yukawa couplings, or at one loop due to nonanalytic soft supersymmetry breaking trilinear scalar couplings. The radiative neutrino magnetic and electric dipole moments vanish at one-loop order.

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Dirac neutrino masses from generalized supersymmetry breaking

Abstract

All Science Journal Classification (ASJC) codes

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