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Composite Heavy Axionlike Dark Matter

Carenza, Pierluca ; Pasechnik, Roman LU and Wang, Zhi Wei (2025) In Physical Review Letters 135(2).
Abstract

We propose a novel class of dark matter (DM) candidates in the form of a heavy composite axionlike particle (ALP) with highly suppressed electromagnetic interactions populating vast yet unexplored domains in the ALP parameter space. This is achieved for the first time in the simplest dark confining gauge theory yielding a new composite glueball ALP (GALP) DM coupling-mass relation found in terms of two distinct fundamental scales - the large dark fermion mass scale and the dynamical scale of dark confinement. The presence of a heavy fermion portal between the visible (photons) and dark (GALPs) sectors ensures a strong radiative suppression of the GALP-photon coupling naturally without any fine-tuning. The observable features of heavy... (More)

We propose a novel class of dark matter (DM) candidates in the form of a heavy composite axionlike particle (ALP) with highly suppressed electromagnetic interactions populating vast yet unexplored domains in the ALP parameter space. This is achieved for the first time in the simplest dark confining gauge theory yielding a new composite glueball ALP (GALP) DM coupling-mass relation found in terms of two distinct fundamental scales - the large dark fermion mass scale and the dynamical scale of dark confinement. The presence of a heavy fermion portal between the visible (photons) and dark (GALPs) sectors ensures a strong radiative suppression of the GALP-photon coupling naturally without any fine-tuning. The observable features of heavy GALP DM in a minimal realization are controlled by only three physical parameters. Our work paves the road for a novel research field exploring the theory and phenomenology of composite ALPs in multimessenger astrophysics and cosmology.

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author
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type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
135
issue
2
article number
021001
publisher
American Physical Society
external identifiers
  • pmid:40743141
  • scopus:105012792855
ISSN
0031-9007
DOI
10.1103/49pk-z8c8
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2025 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.
id
4dee1621-3461-4215-8aeb-467ecefd06dd
date added to LUP
2025-12-10 13:23:57
date last changed
2025-12-10 13:25:08
@article{4dee1621-3461-4215-8aeb-467ecefd06dd,
  abstract     = {{<p>We propose a novel class of dark matter (DM) candidates in the form of a heavy composite axionlike particle (ALP) with highly suppressed electromagnetic interactions populating vast yet unexplored domains in the ALP parameter space. This is achieved for the first time in the simplest dark confining gauge theory yielding a new composite glueball ALP (GALP) DM coupling-mass relation found in terms of two distinct fundamental scales - the large dark fermion mass scale and the dynamical scale of dark confinement. The presence of a heavy fermion portal between the visible (photons) and dark (GALPs) sectors ensures a strong radiative suppression of the GALP-photon coupling naturally without any fine-tuning. The observable features of heavy GALP DM in a minimal realization are controlled by only three physical parameters. Our work paves the road for a novel research field exploring the theory and phenomenology of composite ALPs in multimessenger astrophysics and cosmology.</p>}},
  author       = {{Carenza, Pierluca and Pasechnik, Roman and Wang, Zhi Wei}},
  issn         = {{0031-9007}},
  language     = {{eng}},
  month        = {{07}},
  number       = {{2}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Composite Heavy Axionlike Dark Matter}},
  url          = {{http://dx.doi.org/10.1103/49pk-z8c8}},
  doi          = {{10.1103/49pk-z8c8}},
  volume       = {{135}},
  year         = {{2025}},
}