New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter

de Gouvea, Andre; Hernandez, Daniel

doi:10.1007/JHEP10(2015)046

Title: New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter

Abstract

Here, we propose that all light fermionic degrees of freedom, including the Standard Model (SM) fermions and all possible light beyond-the-standard-model fields, are chiral with respect to some spontaneously broken abelian gauge symmetry. Hypercharge, for example, plays this role for the SM fermions. We introduce a new symmetry, U(1) ν , for all new light fermionic states. Anomaly cancellations mandate the existence of several new fermion fields with nontrivial U(1)_ν charges. We develop a concrete model of this type, for which we show that (i) some fermions remain massless after U(1)_ν breaking — similar to SM neutrinos — and (ii) accidental global symmetries translate into stable massive particles — similar to SM protons. These ingredients provide a solution to the dark matter and neutrino mass puzzles assuming one also postulates the existence of heavy degrees of freedom that act as “mediators” between the two sectors. The neutrino mass mechanism described here leads to parametrically small Dirac neutrino masses, and the model also requires the existence of at least four Dirac sterile neutrinos. Finally, we describe a general technique to write down chiral-fermions-only models that are at least anomaly-free under a U(1) gauge symmetry.

Authors:

de Gouvea, Andre ^[1]; Hernandez, Daniel ^[1]

Northwestern Univ., Evanston, IL (United States). Dept. of Physics & Astronomy

Publication Date:: 2015-10-07

Research Org.:: Northwestern Univ., Evanston, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1437227

Grant/Contract Number:: FG02-91ER40684

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2015; Journal Issue: 10; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; Cosmology of Theories beyond the SM; Neutrino Physics

Citation Formats


                    de Gouvea, Andre, and Hernandez, Daniel. New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter.  United States: N. p., 2015. 
        Web.  doi:10.1007/JHEP10(2015)046.

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                    de Gouvea, Andre, & Hernandez, Daniel. New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter.  United States.  doi:https://doi.org/10.1007/JHEP10(2015)046

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                    de Gouvea, Andre, and Hernandez, Daniel. Wed .  
        "New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter".  United States.  doi:https://doi.org/10.1007/JHEP10(2015)046.  https://www.osti.gov/servlets/purl/1437227.

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@article{osti_1437227,

  title        = {New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter},

  author       = {de Gouvea, Andre and Hernandez, Daniel},

  abstractNote = {Here, we propose that all light fermionic degrees of freedom, including the Standard Model (SM) fermions and all possible light beyond-the-standard-model fields, are chiral with respect to some spontaneously broken abelian gauge symmetry. Hypercharge, for example, plays this role for the SM fermions. We introduce a new symmetry, U(1) ν , for all new light fermionic states. Anomaly cancellations mandate the existence of several new fermion fields with nontrivial U(1)ν charges. We develop a concrete model of this type, for which we show that (i) some fermions remain massless after U(1)ν breaking — similar to SM neutrinos — and (ii) accidental global symmetries translate into stable massive particles — similar to SM protons. These ingredients provide a solution to the dark matter and neutrino mass puzzles assuming one also postulates the existence of heavy degrees of freedom that act as “mediators” between the two sectors. The neutrino mass mechanism described here leads to parametrically small Dirac neutrino masses, and the model also requires the existence of at least four Dirac sterile neutrinos. Finally, we describe a general technique to write down chiral-fermions-only models that are at least anomaly-free under a U(1) gauge symmetry.},

  doi          = {10.1007/JHEP10(2015)046},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 10,

  volume       = 2015,

  place        = {United States},

  year         = {2015},

  month        = {10}

}

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DOI: https://doi.org/10.1007/JHEP10(2015)046

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Works referencing / citing this record:

Anomaly-free dark matter models are not so simple
journal, August 2017

Ellis, John; Fairbairn, Malcolm; Tunney, Patrick
Journal of High Energy Physics, Vol. 2017, Issue 8
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Dark matter and neutrino mass from the smallest non-Abelian chiral dark sector
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Berryman, Jeffrey M.; de Gouvêa, André; Kelly, Kevin J.
Physical Review D, Vol. 96, Issue 7
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General Solution to the U(1) Anomaly Equations
journal, October 2019

Costa, Davi B.; Dobrescu, Bogdan A.; Fox, Patrick J.
Physical Review Letters, Vol. 123, Issue 15
DOI: 10.1103/physrevlett.123.151601

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Title: New chiral fermions, a new gauge interaction, Dirac neutrinos, and dark matter

Abstract

Citation Formats

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Neutrino mass problem and gauge hierarchy journal, July 1980

Benchmarks for dark matter searches at the LHC journal, June 2014

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Proton lifetime and fermion masses in an SO(10) model journal, April 1981

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First Results from the LUX Dark Matter Experiment at the Sanford Underground Research Facility
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Neutrino masses and the scale of B-L violation
journal, September 1981

Pathways to Naturally Small Neutrino Masses
journal, August 1998

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Detection of an Unidentified Emission line in the Stacked X-Ray Spectrum of Galaxy Clusters
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An SO(10) × SO(10)′ model for common origin of neutrino masses, ordinary and dark matter-antimatter asymmetries
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New BBN limits on physics beyond the standard model from 4He
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Exotic charges, multicomponent dark matter and light sterile neutrinos
journal, May 2013

Resonantly Produced 7 keV Sterile Neutrino Dark Matter Models and the Properties of Milky Way Satellites
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Number-theory dark matter
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μ→eγ at a rate of one out of 109 muon decays?
journal, April 1977

Neutrino Mass and Spontaneous Parity Nonconservation
journal, April 1980

Evidence for Oscillation of Atmospheric Neutrinos
journal, August 1998

Leptogenesis with Dirac Neutrinos
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Neutrino mass problem and gauge hierarchy
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Benchmarks for dark matter searches at the LHC
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Dark matter and a new gauge boson through kinetic mixing
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From Dirac neutrino masses to baryonic and dark matter asymmetries
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Two U(1)'s and ϵ charge shifts
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Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory
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