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Title: A taste of dark matter: Flavour constraints on pseudoscalar mediators

Abstract

Dark matter interacting via the exchange of a light pseudoscalar can induce observable signals in indirect detection experiments and experience large self-interactions while evading the strong bounds from direct dark matter searches. The pseudoscalar mediator will however induce flavour-changing interactions in the Standard Model, providing a promising alternative way to test these models. We investigate in detail the constraints arising from rare meson decays and fixed target experiments for different coupling structures between the pseudoscalar and Standard Model fermions. The resulting bounds are highly complementary to the information inferred from the dark matter relic density and the constraints from primordial nucleosynthesis. We discuss the implications of our findings for the dark matter self-interaction cross section and the prospects of probing dark matter coupled to a light pseudoscalar with direct or indirect detection experiments. In particular, we find that a pseudoscalar mediator can only explain the Galactic Centre excess if its mass is above that of the B mesons, and that it is impossible to obtain a sufficiently large direct detection cross section to account for the DAMA modulation.

Authors:
 [1];  [2];  [3];  [2]
  1. Theory Group, SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  3. Univ. of Amsterdam, Amsterdam (Netherlands)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1213911
Grant/Contract Number:  
AC03-76SF00515
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: 3; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; Beyond Standard Model; cosmology of theories beyond the SM; rare decays

Citation Formats

Dolan, Matthew J., Kahlhoefer, Felix, McCabe, Christopher, and Schmidt-Hoberg, Kai. A taste of dark matter: Flavour constraints on pseudoscalar mediators. United States: N. p., 2015. Web. doi:10.1007/JHEP03(2015)171.
Dolan, Matthew J., Kahlhoefer, Felix, McCabe, Christopher, & Schmidt-Hoberg, Kai. A taste of dark matter: Flavour constraints on pseudoscalar mediators. United States. https://doi.org/10.1007/JHEP03(2015)171
Dolan, Matthew J., Kahlhoefer, Felix, McCabe, Christopher, and Schmidt-Hoberg, Kai. Tue . "A taste of dark matter: Flavour constraints on pseudoscalar mediators". United States. https://doi.org/10.1007/JHEP03(2015)171. https://www.osti.gov/servlets/purl/1213911.
@article{osti_1213911,
title = {A taste of dark matter: Flavour constraints on pseudoscalar mediators},
author = {Dolan, Matthew J. and Kahlhoefer, Felix and McCabe, Christopher and Schmidt-Hoberg, Kai},
abstractNote = {Dark matter interacting via the exchange of a light pseudoscalar can induce observable signals in indirect detection experiments and experience large self-interactions while evading the strong bounds from direct dark matter searches. The pseudoscalar mediator will however induce flavour-changing interactions in the Standard Model, providing a promising alternative way to test these models. We investigate in detail the constraints arising from rare meson decays and fixed target experiments for different coupling structures between the pseudoscalar and Standard Model fermions. The resulting bounds are highly complementary to the information inferred from the dark matter relic density and the constraints from primordial nucleosynthesis. We discuss the implications of our findings for the dark matter self-interaction cross section and the prospects of probing dark matter coupled to a light pseudoscalar with direct or indirect detection experiments. In particular, we find that a pseudoscalar mediator can only explain the Galactic Centre excess if its mass is above that of the B mesons, and that it is impossible to obtain a sufficiently large direct detection cross section to account for the DAMA modulation.},
doi = {10.1007/JHEP03(2015)171},
journal = {Journal of High Energy Physics (Online)},
number = 3,
volume = 2015,
place = {United States},
year = {Tue Mar 31 00:00:00 EDT 2015},
month = {Tue Mar 31 00:00:00 EDT 2015}
}

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journal, March 2018

  • Arcadi, Giorgio; Lindner, Manfred; Queiroz, Farinaldo S.
  • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 03
  • DOI: 10.1088/1475-7516/2018/03/042

Review of LHC dark matter searches
text, January 2017


Coupling QCD-scale axion-like particles to gluons
text, January 2018


Scalar split WIMPs in future direct detection experiments
journal, March 2016


Probing the Higgs Portal at the Fermilab Short-Baseline Neutrino Experiments
text, January 2019


Exploring Light Mediators with Low-Threshold Direct Detection Experiments
text, January 2017

  • Kahlhoefer, Felix; Kulkarni, Suchita; Wild, Sebastian
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2017-12773

Suppressing structure formation at dwarf galaxy scales and below: Late kinetic decoupling as a compelling alternative to warm dark matter
journal, November 2016


Searching for Axionlike Particles in Flavor-Changing Neutral Current Processes
journal, March 2017


Casting a wide signal net with future direct dark matter detection experiments
journal, July 2018

  • Gelmini, Graciela B.; Takhistov, Volodymyr; Witte, Samuel J.
  • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 07
  • DOI: 10.1088/1475-7516/2018/07/009

Probing a light CP-odd scalar in di-top-associated production at the LHC
preprint, January 2015


New probes for axionlike particles at hadron colliders
journal, July 2019


Decays of the neutral Higgs bosons into SM fermions and gauge bosons in the $$\mathcal{CP}$$CP-violating NMSSM
text, January 2018

  • Domingo, Florian; Heinemeyer, Sven; Paßehr, Sebastian
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2018-05007

Strongly interacting massive particles through the axion portal
journal, December 2018


Robust cosmological constraints on axion-like particles
journal, May 2020

  • Depta, Paul Frederik; Hufnagel, Marco; Schmidt-Hoberg, Kai
  • Journal of Cosmology and Astroparticle Physics, Vol. 2020, Issue 05
  • DOI: 10.1088/1475-7516/2020/05/009

Physics Beyond Colliders at CERN: Beyond the Standard Model Working Group Report
text, January 2019


Revised constraints and Belle II sensitivity for visible and invisible axion-like particles
text, January 2017