Can the sun shed light on neutrino gravitational interactions ?

The effects of a large gravitational field on the phenomenon of neutrino oscillations, as contemplated in the Mikheyev-Smirnov-Wolfenstein mechanism, have been examined. It is found that the sun's gravitational field would amplify any small breakdown in the universality of the gravitational cou...

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Bibliographic Details
Published in:Physical review letters 1991-09, Vol.67 (14), p.1833-1835
Main Authors: HALPRIN, A, LEUNG, C. N
Format: Article
Language:English
Subjects:
645203 - High Energy Physics- Particle Interactions & Properties-Theoretical- Weak Interactions & Properties
657003 - Theoretical & Mathematical Physics- Relativity & Gravitation
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
EQUATIONS
Exact sciences and technology
Experimental studies of gravity
FEASIBILITY STUDIES
FERMIONS
General relativity and gravitation
GRAVITATION
KLEIN-GORDON EQUATION
LEPTONS
MASSLESS PARTICLES
NEUTRINO OSCILLATION
NEUTRINOS
PARTIAL DIFFERENTIAL EQUATIONS
Physics
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
RADIATIONS
SENSITIVITY
SOLAR NEUTRINOS
SOLAR PARTICLES
SOLAR RADIATION
STELLAR RADIATION
WAVE EQUATIONS
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Summary:The effects of a large gravitational field on the phenomenon of neutrino oscillations, as contemplated in the Mikheyev-Smirnov-Wolfenstein mechanism, have been examined. It is found that the sun's gravitational field would amplify any small breakdown in the universality of the gravitational coupling by many orders of magnitude. A breakdown of only 1 part in 10 to the 14th would still make the gravitational effect comparable to the conventional weak interaction. The differing energy dependences of the two level-crossing mechanisms can therefore be used as a very sensitive tool to test the conventional universality hypothesis. (Author)
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.67.1833