WIMP cogenesis for asymmetric dark matter and the baryon asymmetry

Cui, Yanou; Shamma, Michael

doi:10.1007/jhep12(2020)046

Title: WIMP cogenesis for asymmetric dark matter and the baryon asymmetry

Abstract

We propose a new mechanism where asymmetric dark matter (ADM) and the baryon asymmetry are both generated in the same decay chain of a metastable weakly interacting massive particle (WIMP) after its thermal freezeout. Dark matter and baryons are connected by a generalized baryon number that is conserved, while the DM asymmetry and baryon asymmetry compensate each other. This unified framework addresses the DM-baryon coincidence while inheriting the merit of the conventional WIMP miracle in predicting relic abundances of matter. Examples of renormalizable models realizing this scenario are presented. These models generically predict ADM with sub-GeV to GeV-scale mass that interacts with Standard Model quarks or leptons, thus rendering potential signatures at direct detection experiments sensitive to low mass DM. Other interesting phenomenological predictions are also discussed, including: LHC signatures of new intermediate particles with color or electroweak charge and DM induced nucleon decay; the long-lived WIMP may be within reach of future high energy collider experiments.

Authors:

Cui, Yanou ^[1];

^[1]

Univ. of California, Riverside, CA (United States)

Publication Date:: Wed Dec 09 00:00:00 EST 2020

Research Org.:: Univ. of California, Riverside, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC); National Science Foundation (NSF)

OSTI Identifier:: 1851090

Grant/Contract Number:: SC0008541; PHY-1748958

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: 2020; Journal Issue: 12; Journal ID: ISSN 1029-8479

Publisher:: Springer Nature

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; beyond standard model; cosmology of theories beyond the SM

Citation Formats


                    Cui, Yanou, and Shamma, Michael. WIMP cogenesis for asymmetric dark matter and the baryon asymmetry.  United States: N. p., 2020. 
Web.  doi:10.1007/jhep12(2020)046.

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                    Cui, Yanou, & Shamma, Michael. WIMP cogenesis for asymmetric dark matter and the baryon asymmetry.  United States.  https://doi.org/10.1007/jhep12(2020)046

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                    Cui, Yanou, and Shamma, Michael. Wed .  
"WIMP cogenesis for asymmetric dark matter and the baryon asymmetry".  United States.  https://doi.org/10.1007/jhep12(2020)046.  https://www.osti.gov/servlets/purl/1851090.

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@article{osti_1851090,

  title        = {WIMP cogenesis for asymmetric dark matter and the baryon asymmetry},

  author       = {Cui, Yanou and Shamma, Michael},

  abstractNote = {We propose a new mechanism where asymmetric dark matter (ADM) and the baryon asymmetry are both generated in the same decay chain of a metastable weakly interacting massive particle (WIMP) after its thermal freezeout. Dark matter and baryons are connected by a generalized baryon number that is conserved, while the DM asymmetry and baryon asymmetry compensate each other. This unified framework addresses the DM-baryon coincidence while inheriting the merit of the conventional WIMP miracle in predicting relic abundances of matter. Examples of renormalizable models realizing this scenario are presented. These models generically predict ADM with sub-GeV to GeV-scale mass that interacts with Standard Model quarks or leptons, thus rendering potential signatures at direct detection experiments sensitive to low mass DM. Other interesting phenomenological predictions are also discussed, including: LHC signatures of new intermediate particles with color or electroweak charge and DM induced nucleon decay; the long-lived WIMP may be within reach of future high energy collider experiments.},

  doi          = {10.1007/jhep12(2020)046},

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

  number       = 12,

  volume       = 2020,

  place        = {United States},

  year         = {Wed Dec 09 00:00:00 EST 2020},

  month        = {Wed Dec 09 00:00:00 EST 2020}

}

Copy to clipboard

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Title: WIMP cogenesis for asymmetric dark matter and the baryon asymmetry

Abstract

Citation Formats

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Probing baryogenesis with displaced vertices at the LHC
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Electroweak fermion number violation and the production of stable particles in the early universe
journal, May 1990

Helicitogenesis: WIMPy baryogenesis with sterile neutrinos and other realizations
journal, November 2014

Identifying WIMP dark matter from particle and astroparticle data
journal, March 2018

Violation of CP in variance, C asymmetry, and baryon asymmetry of the universe
journal, May 1991

Single explanation for both baryon and dark matter densities
journal, February 1992

Asymmetric Dark Matter: Theories, signatures, and constraints
journal, April 2014

Emergent dark matter, baryon, and lepton numbers
journal, August 2011

Dark matter, shared asymmetries, and galactic gamma ray signals
journal, February 2016

A review of WIMP baryogenesis mechanisms
journal, November 2015

Direct detection and complementary constraints for sub-GeV dark matter
journal, March 2020

Asymmetric dark matter
journal, June 2009

Review of Asymmetric dark Matter
journal, July 2013

Similar dark matter and baryon abundances with TeV-scale leptogenesis
journal, October 2012

Technocosmology — could a technibaryon excess provide a “natural” missing mass candidate?
journal, December 1985

Natural baryogenesis from unnatural supersymmetry
journal, December 2013

Implications of unitarity and gauge invariance for simplified dark matter models
journal, February 2016

Asymmetric dark matter from leptogenesis
journal, May 2011

Leptogenesis as the Origin of Matter
journal, December 2005

A WIMPy baryogenesis miracle
journal, April 2012

Asymmetric WIMP dark matter
journal, October 2011

Overview of searches for dark matter at the LHC
journal, November 2015

Medium corrections to theCP-violating parameter in leptogenesis
journal, April 2010

Baryogenesis for weakly interacting massive particles
journal, June 2013

LHC signatures of WIMP-triggered baryogenesis
journal, December 2016

Hylogenesis: A Unified Origin for Baryonic Visible Matter and Antibaryonic Dark Matter
text, January 2010

Review of asymmetric dark matter
text, January 2013

New Constraints and Prospects for sub-GeV Dark Matter Scattering off Electrons in Xenon
text, January 2017

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