Quasi-Classical Gravity Effect on Neutrino Oscillations in a Gravitational Field of a Heavy Astrophysical Object
Joint Authors
Miller, Jonathan
Pasechnik, Roman
Source
Advances in High Energy Physics
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-15, 15 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-10-01
Country of Publication
Egypt
No. of Pages
15
Main Subjects
Abstract EN
In the framework of quantum field theory, a graviton interacts locally with a quantum state having definite mass, that is, the gravitational mass eigenstate, while a weak boson interacts with a state having definite flavor, that is, the flavor eigenstate.
An interaction of a neutrino with an energetic graviton may trigger the collapse of the neutrino to a definite mass eigenstate with probability expressed in terms of PMNS mixing matrix elements.
Thus, gravitons would induce quantum decoherence of a coherent neutrino flavor state similarly to how weak bosons induce quantum decoherence of a neutrino in a definite mass state.
We demonstrate that such an essentially quantum gravity effect may have strong consequences for neutrino oscillation phenomena in astrophysics due to relatively large scattering cross sections of relativistic neutrinos undergoing large angle radiation of energetic gravitons in gravitational field of a classical massive source (i.e., the quasi-classical case of gravitational Bethe-Heitler scattering).
This graviton-induced decoherence is compared to decoherence due to propagation in the presence of the Earth matter effect.
Based on this study, we propose a new technique for the indirect detection of energetic gravitons by measuring the flavor composition of astrophysical neutrinos.
American Psychological Association (APA)
Miller, Jonathan& Pasechnik, Roman. 2015. Quasi-Classical Gravity Effect on Neutrino Oscillations in a Gravitational Field of a Heavy Astrophysical Object. Advances in High Energy Physics،Vol. 2015, no. 2015, pp.1-15.
https://search.emarefa.net/detail/BIM-1052503
Modern Language Association (MLA)
Miller, Jonathan& Pasechnik, Roman. Quasi-Classical Gravity Effect on Neutrino Oscillations in a Gravitational Field of a Heavy Astrophysical Object. Advances in High Energy Physics No. 2015 (2015), pp.1-15.
https://search.emarefa.net/detail/BIM-1052503
American Medical Association (AMA)
Miller, Jonathan& Pasechnik, Roman. Quasi-Classical Gravity Effect on Neutrino Oscillations in a Gravitational Field of a Heavy Astrophysical Object. Advances in High Energy Physics. 2015. Vol. 2015, no. 2015, pp.1-15.
https://search.emarefa.net/detail/BIM-1052503
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1052503