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Title: Consequences of large θ 13 for the turbulence signatures in supernova neutrinos

Abstract

Here, the transition probabilities for a single neutrino emitted from a point proto-neutron source after passage through a turbulent supernova density profile have been found to be random variates drawn from parent distributions whose properties depend upon the stage of the explosion, the neutrino energy and mixing parameters, the observed channel, and the properties of the turbulence such as the amplitude C*. In this paper we examine the consequences of the recently measured mixing angle θ13 upon the neutrino flavor transformation in supernova when passing through turbulence, in order to provide some clarity as to what one should expect in the way of turbulence effects in the next supernova neutrino burst signal. We find that the measurements of a relatively large value of θ13 means the neutrinos are relatively immune to small, C*≲1%, amplitude turbulence but as C* increases the turbulence effects grow rapidly and spread to all mixing channels. For C*≳10% the turbulence effects in the high density resonance mixing channels are independent of θ13 but nonresonant mixing channels are more sensitive to turbulence when θ13 is large.

Authors:
 [1];  [1]
  1. North Carolina State Univ., Raleigh, NC (United States)
Publication Date:
Research Org.:
North Carolina State University, Raleigh, NC (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1325222
Alternate Identifier(s):
OSTI ID: 1104424
Grant/Contract Number:  
SC0006417
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 88; Journal Issue: 2; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; neutrino oscillations; turbulence; supernova

Citation Formats

Kneller, James P., and Mauney, Alex W. Consequences of large θ13 for the turbulence signatures in supernova neutrinos. United States: N. p., 2013. Web. doi:10.1103/PhysRevD.88.025004.
Kneller, James P., & Mauney, Alex W. Consequences of large θ13 for the turbulence signatures in supernova neutrinos. United States. https://doi.org/10.1103/PhysRevD.88.025004
Kneller, James P., and Mauney, Alex W. Mon . "Consequences of large θ13 for the turbulence signatures in supernova neutrinos". United States. https://doi.org/10.1103/PhysRevD.88.025004. https://www.osti.gov/servlets/purl/1325222.
@article{osti_1325222,
title = {Consequences of large θ13 for the turbulence signatures in supernova neutrinos},
author = {Kneller, James P. and Mauney, Alex W.},
abstractNote = {Here, the transition probabilities for a single neutrino emitted from a point proto-neutron source after passage through a turbulent supernova density profile have been found to be random variates drawn from parent distributions whose properties depend upon the stage of the explosion, the neutrino energy and mixing parameters, the observed channel, and the properties of the turbulence such as the amplitude C*. In this paper we examine the consequences of the recently measured mixing angle θ13 upon the neutrino flavor transformation in supernova when passing through turbulence, in order to provide some clarity as to what one should expect in the way of turbulence effects in the next supernova neutrino burst signal. We find that the measurements of a relatively large value of θ13 means the neutrinos are relatively immune to small, C*≲1%, amplitude turbulence but as C* increases the turbulence effects grow rapidly and spread to all mixing channels. For C*≳10% the turbulence effects in the high density resonance mixing channels are independent of θ13 but nonresonant mixing channels are more sensitive to turbulence when θ13 is large.},
doi = {10.1103/PhysRevD.88.025004},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 2,
volume = 88,
place = {United States},
year = {Mon Jul 01 00:00:00 EDT 2013},
month = {Mon Jul 01 00:00:00 EDT 2013}
}

Journal Article:

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Cited by: 16 works
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Works referencing / citing this record:

Neutrino flavour evolution through fluctuating matter
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