A simple testable model of baryon number violation: Baryogenesis, dark matter, neutron–antineutron oscillation and collider signals
Abstract
We study a simple TeV-scale model of baryon number violation which explains the observed proximity of the dark matter and baryon abundances. The model has constraints arising from both low and high-energy processes, and in particular, predicts a sizable rate for the neutron–antineutron (n – n¯) oscillation at low energy and the monojet signal at the LHC. We find an interesting complementarity among the constraints arising from the observed baryon asymmetry, ratio of dark matter and baryon abundances, n – n¯ oscillation lifetime and the LHC monojet signal. There are regions in the parameter space where the oscillation lifetime is found to be more constraining than the LHC constraints, which illustrates the importance of the next-generation n – n¯ oscillation experiments.
- Publication Date:
- Research Org.:
- Texas A & M Univ., College Station, TX (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1420358
- Alternate Identifier(s):
- OSTI ID: 1545992
- Grant/Contract Number:
- de-sc0010813; SC0010813
- Resource Type:
- Published Article
- Journal Name:
- Physics Letters B
- Additional Journal Information:
- Journal Name: Physics Letters B Journal Volume: 779 Journal Issue: C; Journal ID: ISSN 0370-2693
- Publisher:
- Elsevier
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Allahverdi, Rouzbeh, Dev, P. S. Bhupal, and Dutta, Bhaskar. A simple testable model of baryon number violation: Baryogenesis, dark matter, neutron–antineutron oscillation and collider signals. Netherlands: N. p., 2018.
Web. doi:10.1016/j.physletb.2018.02.019.
Allahverdi, Rouzbeh, Dev, P. S. Bhupal, & Dutta, Bhaskar. A simple testable model of baryon number violation: Baryogenesis, dark matter, neutron–antineutron oscillation and collider signals. Netherlands. https://doi.org/10.1016/j.physletb.2018.02.019
Allahverdi, Rouzbeh, Dev, P. S. Bhupal, and Dutta, Bhaskar. Sun .
"A simple testable model of baryon number violation: Baryogenesis, dark matter, neutron–antineutron oscillation and collider signals". Netherlands. https://doi.org/10.1016/j.physletb.2018.02.019.
@article{osti_1420358,
title = {A simple testable model of baryon number violation: Baryogenesis, dark matter, neutron–antineutron oscillation and collider signals},
author = {Allahverdi, Rouzbeh and Dev, P. S. Bhupal and Dutta, Bhaskar},
abstractNote = {We study a simple TeV-scale model of baryon number violation which explains the observed proximity of the dark matter and baryon abundances. The model has constraints arising from both low and high-energy processes, and in particular, predicts a sizable rate for the neutron–antineutron (n – n¯) oscillation at low energy and the monojet signal at the LHC. We find an interesting complementarity among the constraints arising from the observed baryon asymmetry, ratio of dark matter and baryon abundances, n – n¯ oscillation lifetime and the LHC monojet signal. There are regions in the parameter space where the oscillation lifetime is found to be more constraining than the LHC constraints, which illustrates the importance of the next-generation n – n¯ oscillation experiments.},
doi = {10.1016/j.physletb.2018.02.019},
journal = {Physics Letters B},
number = C,
volume = 779,
place = {Netherlands},
year = {2018},
month = {4}
}
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https://doi.org/10.1016/j.physletb.2018.02.019
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Cited by: 7 works
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