New supernova constraints on sterile neutrino production
Journal Article
·
· Physical Review Letters
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
We consider the possibility that a light sterile-neutrino species \nu_S can be produced by \nu_e scattering during the cooling of a proto-neutron star. If we parameterize the sterile neutrino production cross-section by a parameter A as \sigma (\nu_e X\rightarrow \nu_S X) = A \sigma(\nu_e X\rightarrow \nu_e X), where X is an electron, neutron or proton, we show that A is constrained by limits to the conversion of \nu_e to \nu_S in the region between the sterile-neutrino trapping region and the electron-neutrino trapping region. This consideration excludes values of A in the range between 10^{-4} \la A \la 10^{-1}.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1155592
- Report Number(s):
- FERMILAB-PUB-96-096-A; PRLTAO
- Journal Information:
- Physical Review Letters, Vol. 77, Issue 15; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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