Rate of dark photon emission from electron positron annihilation in massive stars
Abstract
We calculate the rate of production of dark photons from electron-positron pair annihilation in hot and dense matter characteristics of supernova progenitors. Given the nonlinear dependence of the emission rate on the dark photon mass and current astrophysical constraints on the dark photon parameter space, we focus on the mass range of 1–10 MeV. For the conditions under consideration both mixing with the in-medium photon and plasma effects on the electron dispersion relation are non-negligible and are explored in detail. We perform our calculations to the leading order in the fine-structure constant. Transverse and longitudinal photon modes are treated separately given their different dispersion relations. We consider the implications for the evolution of massive stars when dark photons decay either into particles of the standard model or of the dark sector.
- Authors:
- Publication Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1543175
- Alternate Identifier(s):
- OSTI ID: 1610090
- Grant/Contract Number:
- FG02-87ER40328
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 2; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; astronomy & astrophysics; physics; particle dark matter; stars
Citation Formats
Rrapaj, Ermal, Sieverding, Andre, and Qian, Yong-Zhong. Rate of dark photon emission from electron positron annihilation in massive stars. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.100.023009.
Rrapaj, Ermal, Sieverding, Andre, & Qian, Yong-Zhong. Rate of dark photon emission from electron positron annihilation in massive stars. United States. https://doi.org/10.1103/PhysRevD.100.023009
Rrapaj, Ermal, Sieverding, Andre, and Qian, Yong-Zhong. Fri .
"Rate of dark photon emission from electron positron annihilation in massive stars". United States. https://doi.org/10.1103/PhysRevD.100.023009.
@article{osti_1543175,
title = {Rate of dark photon emission from electron positron annihilation in massive stars},
author = {Rrapaj, Ermal and Sieverding, Andre and Qian, Yong-Zhong},
abstractNote = {We calculate the rate of production of dark photons from electron-positron pair annihilation in hot and dense matter characteristics of supernova progenitors. Given the nonlinear dependence of the emission rate on the dark photon mass and current astrophysical constraints on the dark photon parameter space, we focus on the mass range of 1–10 MeV. For the conditions under consideration both mixing with the in-medium photon and plasma effects on the electron dispersion relation are non-negligible and are explored in detail. We perform our calculations to the leading order in the fine-structure constant. Transverse and longitudinal photon modes are treated separately given their different dispersion relations. We consider the implications for the evolution of massive stars when dark photons decay either into particles of the standard model or of the dark sector.},
doi = {10.1103/PhysRevD.100.023009},
journal = {Physical Review D},
number = 2,
volume = 100,
place = {United States},
year = {2019},
month = {7}
}
https://doi.org/10.1103/PhysRevD.100.023009
Web of Science
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Works referencing / citing this record:
Dark matter from dark photons: A taxonomy of dark matter production
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