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Limits on the flux of energetic neutrinos from the sun
Institution:1. University of Notre Dame, Notre Dame, IN 46556, USA;2. University of Michigan, Ann Arbor, MI 48109, USA;3. California Institute of Technology, Pasadena, CA 91125, USA;4. Cleveland State University, Cleveland, OH 44115, USA;5. Boston University, Boston, MA 02215, USA;6. University of Hawaii, Honolulu, HI 96822, USA;7. University of California, Irvine, CA 92717, USA;8. Brookhaven National Laboratory, Upton, NY 11973, USA;9. University College, London WC1E 8BT, UK;10. Warsaw University, PL-00-681 Warsaw, Poland;1. Departamento de Física Aplicada, Universidad de Córdoba, Campus de Rabanales, Edificio Albert Einstein, E-14071 Córdoba, Spain;2. Departamento de Química Orgánica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUIQFN, Facultad de Ciencias, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie, E-14071 Córdoba, Spain;3. Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109, USA;4. Departamento de Física, Universidad de Córdoba, Campus de Rabanales, Edificio Albert Einstein, E-14071 Córdoba, Spain;1. Faculty of Science and Technology, Free University of Bolzano-Bozen, Bolzano-Bozen, Italy;2. Department of Computer, Control and Management Engineering, Sapienza University of Rome, Roma, Italy;1. The Global Development Institute, School of Environment Education and Development, University of Manchester, Arthur Lewis Building, Oxford Road, Manchester M13 9PL, United Kingdom;2. School of Environment Education and Development, University of Manchester, Arthur Lewis Building, Oxford Road, Manchester M13 9PL, United Kingdom;3. School of International Development and Global Studies/École de développement international et mondialisation, Social Sciences Building/Pavillon des sciences sociales, FSS8006, University of Ottawa/Université d''Ottawa, Ottawa, ON K1N 6N5, Canada
Abstract:A number of authors have proposed mechanisms by which the sun could be a strong source of energetic neutrinos. We search for an excess signal of penetrating neutral particles from the direction of the sun. We employ two data samples. One sample studies energies from 400 MeV to 2 GeV. The other studies vμ interactions above 2 GeV where the atmospheric background is lower. Our results are compared with the general background of atmospheric neutrinos from other directions. No significant excess has been found. These results can be used to set limits on possible dark matter candidates.
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