Early Universe synthesis of asymmetric dark matter nuggets
Abstract
We compute the mass function of bound states of asymmetric dark matter - nuggets - synthesized in the early Universe. We apply our results for the nugget density and binding energy computed from a nuclear model to obtain analytic estimates of the typical nugget size exiting synthesis. We numerically solve the Boltzmann equation for synthesis including two-to-two fusion reactions, estimating the impact of bottlenecks on the mass function exiting synthesis. These results provide the basis for studying the late Universe cosmology of nuggets in a future companion paper.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1420193
- Alternate Identifier(s):
- OSTI ID: 1435114
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 97 Journal Issue: 3; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS
Citation Formats
Gresham, Moira I., Lou, Hou Keong, and Zurek, Kathryn M. Early Universe synthesis of asymmetric dark matter nuggets. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.97.036003.
Gresham, Moira I., Lou, Hou Keong, & Zurek, Kathryn M. Early Universe synthesis of asymmetric dark matter nuggets. United States. https://doi.org/10.1103/PhysRevD.97.036003
Gresham, Moira I., Lou, Hou Keong, and Zurek, Kathryn M. Mon .
"Early Universe synthesis of asymmetric dark matter nuggets". United States. https://doi.org/10.1103/PhysRevD.97.036003.
@article{osti_1420193,
title = {Early Universe synthesis of asymmetric dark matter nuggets},
author = {Gresham, Moira I. and Lou, Hou Keong and Zurek, Kathryn M.},
abstractNote = {We compute the mass function of bound states of asymmetric dark matter - nuggets - synthesized in the early Universe. We apply our results for the nugget density and binding energy computed from a nuclear model to obtain analytic estimates of the typical nugget size exiting synthesis. We numerically solve the Boltzmann equation for synthesis including two-to-two fusion reactions, estimating the impact of bottlenecks on the mass function exiting synthesis. These results provide the basis for studying the late Universe cosmology of nuggets in a future companion paper.},
doi = {10.1103/PhysRevD.97.036003},
journal = {Physical Review D},
number = 3,
volume = 97,
place = {United States},
year = {Mon Feb 12 00:00:00 EST 2018},
month = {Mon Feb 12 00:00:00 EST 2018}
}
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https://doi.org/10.1103/PhysRevD.97.036003
https://doi.org/10.1103/PhysRevD.97.036003
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- Physical Review D, Vol. 100, Issue 7
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journal, February 2020
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