The Higgs seesaw induced neutrino masses and dark matter

Cai, Yi; Chao, Wei

doi:10.1016/j.physletb.2015.08.026

Title: The Higgs seesaw induced neutrino masses and dark matter

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Abstract

In this study we propose a possible explanation of the active neutrino Majorana masses with the TeV scale new physics which also provide a dark matter candidate. We extend the Standard Model (SM) with a local U(1)' symmetry and introduce a seesaw relation for the vacuum expectation values (VEVs) of the exotic scalar singlets, which break the U(1)' spontaneously. The larger VEV is responsible for generating the Dirac mass term of the heavy neutrinos, while the smaller for the Majorana mass term. As a result active neutrino masses are generated via the modified inverse seesaw mechanism. The lightest of the new fermion singlets, which are introduced to cancel the U(1)' anomalies, can be a stable particle with ultra flavor symmetry and thus a plausible dark matter candidate. We explore the parameter space with constraints from the dark matter relic abundance and dark matter direct detection.

Authors:

Cai, Yi;

Publication Date:: Thu Oct 01 00:00:00 EDT 2015

Research Org.:: Univ. of Massachusetts-Amherst, Amherst, MA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1210104

Alternate Identifier(s):: OSTI ID: 1242267

Grant/Contract Number:: SC0011095

Resource Type:: Published Article

Journal Name:: Physics Letters B

Additional Journal Information:: Journal Name: Physics Letters B Journal Volume: 749 Journal Issue: C; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS

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                    Cai, Yi, and Chao, Wei. The Higgs seesaw induced neutrino masses and dark matter.  Netherlands: N. p., 2015. 
Web.  doi:10.1016/j.physletb.2015.08.026.

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                    Cai, Yi, & Chao, Wei. The Higgs seesaw induced neutrino masses and dark matter.  Netherlands.  https://doi.org/10.1016/j.physletb.2015.08.026

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                    Cai, Yi, and Chao, Wei. Thu .  
"The Higgs seesaw induced neutrino masses and dark matter".  Netherlands.  https://doi.org/10.1016/j.physletb.2015.08.026.

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@article{osti_1210104,

  title        = {The Higgs seesaw induced neutrino masses and dark matter},

  author       = {Cai, Yi and Chao, Wei},

  abstractNote = {In this study we propose a possible explanation of the active neutrino Majorana masses with the TeV scale new physics which also provide a dark matter candidate. We extend the Standard Model (SM) with a local U(1)' symmetry and introduce a seesaw relation for the vacuum expectation values (VEVs) of the exotic scalar singlets, which break the U(1)' spontaneously. The larger VEV is responsible for generating the Dirac mass term of the heavy neutrinos, while the smaller for the Majorana mass term. As a result active neutrino masses are generated via the modified inverse seesaw mechanism. The lightest of the new fermion singlets, which are introduced to cancel the U(1)' anomalies, can be a stable particle with ultra flavor symmetry and thus a plausible dark matter candidate. We explore the parameter space with constraints from the dark matter relic abundance and dark matter direct detection.},

  doi          = {10.1016/j.physletb.2015.08.026},

  journal      = {Physics Letters B},

  number       = C,

  volume       = 749,

  place        = {Netherlands},

  year         = {Thu Oct 01 00:00:00 EDT 2015},

  month        = {Thu Oct 01 00:00:00 EDT 2015}

}

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