NEUTRINO OSCILLATIONS IN THE EARLY UNIVERSE WITH NONEQUILIBRIUM NEUTRINO DISTRIBUTIONS

Authors
KOSTELECKY VA SAMUEL S
Citation
Va. Kostelecky et S. Samuel, NEUTRINO OSCILLATIONS IN THE EARLY UNIVERSE WITH NONEQUILIBRIUM NEUTRINO DISTRIBUTIONS, Physical review. D. Particles and fields, 52(6), 1995, pp. 3184-3201
Citations number
26
Categorie Soggetti
Physics, Particles & Fields
Journal title
Physical review. D. Particles and fields → ACNP
ISSN journal
05562821
Volume
52
Issue
6
Year of publication
1995
Pages
3184 - 3201
Database
ISI
SICI code
0556-2821(1995)52:6<3184:NOITEU>2.0.ZU;2-Z
Abstract
Around one second after the big bang, neutrino decoupling and e(+)-e(- ) annihilation distorted the Fermi-Dirac spectrum of neutrino energies . Assuming neutrinos have masses and can mix, we compute the distortio ns using nonequilibrium thermodynamics and the Boltzmann equation. The flavor behavior of neutrinos is studied during and following the gene ration of the distortion.