Dark matter and dark radiation from the early universe with a modulus coupled to the PQMSSM
Abstract
The supersymmetrized DFSZ axion model is especially compelling in that it contains 1. the SUSY solution to the gauge hierarchy problem, 2. the Peccei-Quinn (PQ) solution to the strong CP problem and 3. the Kim-Nilles solution to the SUSY μ problem. In a string setting, where a discrete R-symmetry ($$Z$$$^{R}_{24}$$ for example) may emerge from the compactification process, a high-quality accidental axion (accion) can emerge from the accidental, approximate remnant global U(1)PQ symmetry where the decay constant fa is linked to the SUSY breaking scale, and is within the cosmological sweet zone. In this setup, one also expects the presence of stringy remnant moduli fields Φi. Here, we consider the situation of a single light modulus Φ coupled to the PQMSSM in the early universe, with mixed axion plus higgsino-like WIMP dark matter. We evaluate dark matter and dark radiation production via nine coupled Boltzmann equations and assess the severity of the cosmological moduli problem (CMP) along with dark matter and dark radiation production rates. We find that typically the light modulus mass should be mΦ ≳ 104 TeV to avoid the moduli-induced dark matter overproduction problem. If one is able to (anthropically) tune the modulus field amplitude, we find a value of Φ0 ≲ 10–7mP would be required to solve the overall CMP.
- Authors:
-
- University of Oklahoma, Norman, OK (United States)
- University of Wisconsin, Madison, WI (United States)
- Publication Date:
- Research Org.:
- Univ. of Oklahoma, Norman, OK (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1992134
- Grant/Contract Number:
- SC0009956; SC0017647
- 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: 2023; Journal Issue: 6; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Nature
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Dark matter; Early universe; Cosmology of Theories BSM; Models for Dark Matter; Supersymmetry; Early Universe Particle Physics
Citation Formats
Baer, Howard A., Barger, Vernon, and Deal, Robert Wiley. Dark matter and dark radiation from the early universe with a modulus coupled to the PQMSSM. United States: N. p., 2023.
Web. doi:10.1007/jhep06(2023)083.
Baer, Howard A., Barger, Vernon, & Deal, Robert Wiley. Dark matter and dark radiation from the early universe with a modulus coupled to the PQMSSM. United States. https://doi.org/10.1007/jhep06(2023)083
Baer, Howard A., Barger, Vernon, and Deal, Robert Wiley. Thu .
"Dark matter and dark radiation from the early universe with a modulus coupled to the PQMSSM". United States. https://doi.org/10.1007/jhep06(2023)083. https://www.osti.gov/servlets/purl/1992134.
@article{osti_1992134,
title = {Dark matter and dark radiation from the early universe with a modulus coupled to the PQMSSM},
author = {Baer, Howard A. and Barger, Vernon and Deal, Robert Wiley},
abstractNote = {The supersymmetrized DFSZ axion model is especially compelling in that it contains 1. the SUSY solution to the gauge hierarchy problem, 2. the Peccei-Quinn (PQ) solution to the strong CP problem and 3. the Kim-Nilles solution to the SUSY μ problem. In a string setting, where a discrete R-symmetry ($Z$$^{R}_{24}$ for example) may emerge from the compactification process, a high-quality accidental axion (accion) can emerge from the accidental, approximate remnant global U(1)PQ symmetry where the decay constant fa is linked to the SUSY breaking scale, and is within the cosmological sweet zone. In this setup, one also expects the presence of stringy remnant moduli fields Φi. Here, we consider the situation of a single light modulus Φ coupled to the PQMSSM in the early universe, with mixed axion plus higgsino-like WIMP dark matter. We evaluate dark matter and dark radiation production via nine coupled Boltzmann equations and assess the severity of the cosmological moduli problem (CMP) along with dark matter and dark radiation production rates. We find that typically the light modulus mass should be mΦ ≳ 104 TeV to avoid the moduli-induced dark matter overproduction problem. If one is able to (anthropically) tune the modulus field amplitude, we find a value of Φ0 ≲ 10–7mP would be required to solve the overall CMP.},
doi = {10.1007/jhep06(2023)083},
journal = {Journal of High Energy Physics (Online)},
number = 6,
volume = 2023,
place = {United States},
year = {Thu Jun 15 00:00:00 EDT 2023},
month = {Thu Jun 15 00:00:00 EDT 2023}
}
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