Solar atmosphere neutrino oscillations

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The Sun is a source of high energy neutrinos (E > 10 GeV) produced by cosmic ray interactions in the solar atmosphere. We study the impact of three-flavor oscillations on the solar atmosphere neutrino fluxes observable at Earth. We find that peculiar matter oscillation effects in the Sun do exist, but are significantly suppressed by averaging over the production region and over the neutrino and antineutrino components. In particular, the relation between the neutrino fluxes at the Sun and at the Earth can be approximately expressed in terms of phase-averaged ''vacuum'' oscillations, dominated by a single mixing parameter (the angle ... continued below

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3 pages

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Fogli, G.L.; Lisi, E.; Mirizzi, A.; /INFN, Bari; Montanino, D.; /INFN, Lecce et al. February 1, 2007.

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Description

The Sun is a source of high energy neutrinos (E > 10 GeV) produced by cosmic ray interactions in the solar atmosphere. We study the impact of three-flavor oscillations on the solar atmosphere neutrino fluxes observable at Earth. We find that peculiar matter oscillation effects in the Sun do exist, but are significantly suppressed by averaging over the production region and over the neutrino and antineutrino components. In particular, the relation between the neutrino fluxes at the Sun and at the Earth can be approximately expressed in terms of phase-averaged ''vacuum'' oscillations, dominated by a single mixing parameter (the angle {theta}{sub 23}).

Physical Description

3 pages

Source

  • Journal Name: Nucl.Phys.Proc.Suppl.168:283-285,2007; Conference: Presented at Workshop on Neutrino Oscillation Physics (NOW 2006), Otranto, Lecce, Italy, 9-16 Sep 2006

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  • Report No.: FERMILAB-CONF-07-022-A
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 899708
  • Archival Resource Key: ark:/67531/metadc877868

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  • February 1, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 7, 2016, 9:27 p.m.

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Fogli, G.L.; Lisi, E.; Mirizzi, A.; /INFN, Bari; Montanino, D.; /INFN, Lecce et al. Solar atmosphere neutrino oscillations, article, February 1, 2007; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc877868/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.