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Title: Mixed dark matter in left-right symmetric models

Abstract

Motivated by the recently reported diboson and dijet excesses in Run 1 data at ATLAS and CMS, we explore models of mixed dark matter in left-right symmetric theories. In this study, we calculate the relic abundance and the elastic scattering cross section with nuclei for a number of dark matter candidates that appear within the fermionic multiplets of left-right symmetric models. In contrast to the case of pure multiplets, WIMP-nucleon scattering proceeds at tree-level, and hence the projected reach of future direct detection experiments such as LUX-ZEPLIN and XENON1T will cover large regions of parameter space for TeV-scale thermal dark matter. Decays of the heavy charged W' boson to particles in the dark sector can potentially shift the right-handed gauge coupling to larger values when fixed to the rate of the Run 1 excesses, moving towards the theoretically attractive scenario, gR = gL. Furthermore, this region of parameter space may be probed by future collider searches for new Higgs bosons or electroweak fermions.

Authors:
 [1];  [2];  [3];  [4]
  1. Univ. of Chicago, Chicago, IL (United States)
  2. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  3. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, Chicago, IL (United States)
  4. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Kansas, Lawrence, KS (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1258284
Report Number(s):
FERMILAB-PUB-16-111-A-T; arXiv:1604.06100
Journal ID: ISSN 1475-7516; 1449951
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Cosmology and Astroparticle Physics
Additional Journal Information:
Journal Volume: 2016; Journal Issue: 06; Journal ID: ISSN 1475-7516
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; dark matter theory; particle physics - cosmology connection

Citation Formats

Berlin, Asher, Fox, Patrick J., Hooper, Dan, and Mohlabeng, Gopolang. Mixed dark matter in left-right symmetric models. United States: N. p., 2016. Web. doi:10.1088/1475-7516/2016/06/016.
Berlin, Asher, Fox, Patrick J., Hooper, Dan, & Mohlabeng, Gopolang. Mixed dark matter in left-right symmetric models. United States. https://doi.org/10.1088/1475-7516/2016/06/016
Berlin, Asher, Fox, Patrick J., Hooper, Dan, and Mohlabeng, Gopolang. Wed . "Mixed dark matter in left-right symmetric models". United States. https://doi.org/10.1088/1475-7516/2016/06/016. https://www.osti.gov/servlets/purl/1258284.
@article{osti_1258284,
title = {Mixed dark matter in left-right symmetric models},
author = {Berlin, Asher and Fox, Patrick J. and Hooper, Dan and Mohlabeng, Gopolang},
abstractNote = {Motivated by the recently reported diboson and dijet excesses in Run 1 data at ATLAS and CMS, we explore models of mixed dark matter in left-right symmetric theories. In this study, we calculate the relic abundance and the elastic scattering cross section with nuclei for a number of dark matter candidates that appear within the fermionic multiplets of left-right symmetric models. In contrast to the case of pure multiplets, WIMP-nucleon scattering proceeds at tree-level, and hence the projected reach of future direct detection experiments such as LUX-ZEPLIN and XENON1T will cover large regions of parameter space for TeV-scale thermal dark matter. Decays of the heavy charged W' boson to particles in the dark sector can potentially shift the right-handed gauge coupling to larger values when fixed to the rate of the Run 1 excesses, moving towards the theoretically attractive scenario, gR = gL. Furthermore, this region of parameter space may be probed by future collider searches for new Higgs bosons or electroweak fermions.},
doi = {10.1088/1475-7516/2016/06/016},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 06,
volume = 2016,
place = {United States},
year = {Wed Jun 08 00:00:00 EDT 2016},
month = {Wed Jun 08 00:00:00 EDT 2016}
}

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Cited by: 14 works
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