Neutrino masses from a pseudo-Dirac bino

Coloma, Pilar; Ipek, Seyda

doi:10.1103/PhysRevLett.117.111803

Title: Neutrino masses from a pseudo-Dirac bino

Journal Article · Fri Sep 09 00:00:00 EDT 2016 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.117.111803· OSTI ID:1331780

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Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

We show that, in U(1)_R-symmetric supersymmetric models, the bino and its Dirac partner (the singlino) can play the role of right-handed neutrinos and generate the neutrino masses and mixing, without the need for traditional bilinear or trilinear R-parity violating operators. The two particles form a pseudo-Dirac pair, the “bi νo.” An inverse seesaw texture is generated for the neutrino-biνo sector, and the lightest neutrino is predicted to be massless. Lastly, unlike in most models with heavy right-handed neutrinos, the bi νo can be sizably produced at the LHC through its interactions with colored particles, while respecting low energy constraints from neutrinoless double-beta decay and charged lepton flavor violation.

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Research Organization:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1331780

Alternate ID(s):: OSTI ID: 1323586

Report Number(s):: FERMILAB-PUB-16-225-T; arXiv:1606.06372; PRLTAO; 1471514

Journal Information:: Physical Review Letters, Vol. 117, Issue 11; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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