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Impact of binary interactions on the diffuse supernova neutrino background
- Source :
- Physical Review D. 103
- Publication Year :
- 2021
- Publisher :
- American Physical Society (APS), 2021.
-
Abstract
- Binary interactions, especially mass transfer and mergers, can strongly influence the evolution of massive stars and change their final properties and the occurrence of supernovae. Here, we investigate how binary interactions affect predictions of the diffuse flux of neutrinos. By performing stellar population syntheses including prescriptions for binary interactions, we show that the resulting detection rates of the diffuse supernova neutrino background is enhanced by 15%-20% compared to estimates without binary considerations. A source of significant uncertainty arises due to the presently sparse knowledge of the evolution of rapidly rotating carbon-oxygen cores, especially those created as a result of mergers near the white dwarf to core collapse boundary. The enhancement effect may be as small as a few percent if the effects of rotation in postmerger systems are neglected, or as large as 75% if trends are extrapolated. Our estimates serve to highlight that binary effects can be important.<br />12 pages, 8 figures, matches published version
- Subjects :
- High Energy Astrophysical Phenomena (astro-ph.HE)
Physics
Stellar population
010308 nuclear & particles physics
FOS: Physical sciences
Binary number
White dwarf
Astrophysics::Cosmology and Extragalactic Astrophysics
Astrophysics
Rotation
01 natural sciences
Stars
Supernova
Astrophysics - Solar and Stellar Astrophysics
0103 physical sciences
Diffuse flux
Neutrino
Astrophysics - High Energy Astrophysical Phenomena
010306 general physics
Solar and Stellar Astrophysics (astro-ph.SR)
Astrophysics::Galaxy Astrophysics
Subjects
Details
- ISSN :
- 24700029 and 24700010
- Volume :
- 103
- Database :
- OpenAIRE
- Journal :
- Physical Review D
- Accession number :
- edsair.doi.dedup.....3869af2ceb2007b539f4f74d7783eef1