Neutrino Oscillations in Vacuum and Matter View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1988

AUTHORS

S. P. Mikheyev , A. Yu. Smirnov

ABSTRACT

Neutrino oscillations in vacuum have been discussed first by Pontecorvo [1]. Strong transformations of mixed neutrinos in matter [2–4] have three aspects: 1) The detection of cosmic neutrinos is known to be a unique channel of information about the structure, energetics and evolution of stars as well as galaxies and the Universe. Experimental techniques for their detection are now developed very actively and first results have been obtained. The interpretation of the data should take into account possible effects of resonant neutrino oscillations: neutrinos produced in central regions of stars cross large layers of matter and the properties of neutrino fluxes may be changed drastically. 2) Changing of neutrino fluxes due to resonant oscillations depend on the difference of mass squared (∆m 2 = m 2 1 − m 2 2) and on neutrino mixing (sin2 2λ) in a quite definite manner. Consequently, the search for effects of resonant oscillations involves measuring ∆m 2 and sin2 2λ. Moreover, the method is sensitive to regions of ∆m 2 vs. sin2 2λ which are far beyond the possibilities of terrestrial experiments. 3) If effects of resonant oscillations are found (or if ∆m 2 and sin2 2λ are fixed in other experiments), then it will be possible to make definite conclusions about the density profiles which are crossed by neutrinos. More... »

PAGES

239-263

Book

TITLE

Neutrinos

ISBN

978-3-642-46650-2
978-3-642-46648-9

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-642-46648-9_7

DOI

http://dx.doi.org/10.1007/978-3-642-46648-9_7

DIMENSIONS

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