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Title: Stimulated neutrino transformation through turbulence on a changing density profile and application to supernovae

Abstract

We apply the model of stimulated neutrino transitions to neutrinos travelling through turbulence on a non constant density profile. We describe a method to predict the location of large amplitude transitions and demonstrate the effectiveness of this method by comparing to numerical calculations using a model supernova (SN) profile. The important wavelength scales of turbulence, both those that stimulate neutrino transformations and those that suppress them, are presented and discussed. We then examine the effects of changing the parameters of the turbulent spectrum, specifically the root-mean-square amplitude and cutoff wavelength, and show how the stimulated transitions model offers an explanation for the increase in both the amplitude and number of transitions with large amplitude turbulence, as well as a suppression or absence of transitions for long cutoff wavelengths. The method can also be used to predict the location of transitions between anti-neutrino states which, in the normal hierarchy we are using, will not undergo Mikheev-Smirnov-Wolfenstein transitions. Lastly, the stimulated neutrino transitions method is applied to a turbulent 2D supernova simulation and explains the minimal observed effect on neutrino oscillations in the simulation as being due to excessive long wavelength modes suppressing transitions and the absence of modes that fulfill themore » parametric resonance condition.« less

Authors:
 [1];  [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:
1325205
Alternate Identifier(s):
OSTI ID: 1181056
Grant/Contract Number:  
SC0006417; SC0004786; FG02-02ER41216
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 91; Journal Issue: 2; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; neutrinos; turbulence; supernova

Citation Formats

Patton, Kelly M., Kneller, James P., and McLaughlin, Gail C. Stimulated neutrino transformation through turbulence on a changing density profile and application to supernovae. United States: N. p., 2015. Web. doi:10.1103/PhysRevD.91.025001.
Patton, Kelly M., Kneller, James P., & McLaughlin, Gail C. Stimulated neutrino transformation through turbulence on a changing density profile and application to supernovae. United States. https://doi.org/10.1103/PhysRevD.91.025001
Patton, Kelly M., Kneller, James P., and McLaughlin, Gail C. Tue . "Stimulated neutrino transformation through turbulence on a changing density profile and application to supernovae". United States. https://doi.org/10.1103/PhysRevD.91.025001. https://www.osti.gov/servlets/purl/1325205.
@article{osti_1325205,
title = {Stimulated neutrino transformation through turbulence on a changing density profile and application to supernovae},
author = {Patton, Kelly M. and Kneller, James P. and McLaughlin, Gail C.},
abstractNote = {We apply the model of stimulated neutrino transitions to neutrinos travelling through turbulence on a non constant density profile. We describe a method to predict the location of large amplitude transitions and demonstrate the effectiveness of this method by comparing to numerical calculations using a model supernova (SN) profile. The important wavelength scales of turbulence, both those that stimulate neutrino transformations and those that suppress them, are presented and discussed. We then examine the effects of changing the parameters of the turbulent spectrum, specifically the root-mean-square amplitude and cutoff wavelength, and show how the stimulated transitions model offers an explanation for the increase in both the amplitude and number of transitions with large amplitude turbulence, as well as a suppression or absence of transitions for long cutoff wavelengths. The method can also be used to predict the location of transitions between anti-neutrino states which, in the normal hierarchy we are using, will not undergo Mikheev-Smirnov-Wolfenstein transitions. Lastly, the stimulated neutrino transitions method is applied to a turbulent 2D supernova simulation and explains the minimal observed effect on neutrino oscillations in the simulation as being due to excessive long wavelength modes suppressing transitions and the absence of modes that fulfill the parametric resonance condition.},
doi = {10.1103/PhysRevD.91.025001},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 2,
volume = 91,
place = {United States},
year = {Tue Jan 06 00:00:00 EST 2015},
month = {Tue Jan 06 00:00:00 EST 2015}
}

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Cited by: 14 works
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Works referencing / citing this record:

What can be learned from a future supernova neutrino detection?
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