All-Moscow Seminar of Astrophysicists
(ASA)
The seminar is supported by the grant of Federal Programm "Integration"
annotation of talk
Urzhumov Yaroslav Alexandrovich (ITEP), Blinnikov Sergei Ivanovich (SAI,
ITEP)
Neutrino oscillations, mirror world and their implications in
astrophysics.
We consider the modern status of searches for neutrino masses and mixing as
well as hypothesis of existence of an additional type of neutrino (sterile
or mirror neutrino). The theory of formation of lightest elements in Big
Bang and other processes is reviewed, also mentioned are observations of
primordial abundances and their determination techniques. Influence of
neutrino masses and mixing of neutrinos with mirror partners is explored.
We
also present basics of theory of oscillating neutrino in matter and in the
hot Universe. Further implications of mirror world hypothesis such as
clustering of mirror baryonic matter and possible role of mirror neutrinos
in GRB's are discussed.