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Search for periodicities in the B8 solar neutrino flux measured by the Sudbury Neutrino Observatory

  • B. Aharmim
  • , S. N. Ahmed
  • , A. E. Anthony
  • , E. W. Beier
  • , A. Bellerive
  • , M. Bergevin
  • , S. D. Biller
  • , M. G. Boulay
  • , M. G. Bowler
  • , Y. D. Chan
  • , M. Chen
  • , X. Chen
  • , B. T. Cleveland
  • , T. Costin
  • , G. A. Cox
  • , C. A. Currat
  • , X. Dai
  • , H. Deng
  • , J. Detwiler
  • , P. J. Doe
  • R. S. Dosanjh, G. Doucas, C. A. Duba, F. A. Duncan, M. Dunford, J. A. Dunmore, E. D. Earle, S. R. Elliott, H. C. Evans, G. T. Ewan, J. Farine, H. Fergani, F. Fleurot, J. A. Formaggio, W. Frati, B. G. Fulsom, N. Gagnon, J. T.M. Goon, K. Graham, R. L. Hahn, A. L. Hallin, E. D. Hallman, W. B. Handler, C. K. Hargrove, P. J. Harvey, R. Hazama, K. M. Heeger, L. Heelan, W. J. Heintzelman, J. Heise, R. L. Helmer, R. J. Hemingway, A. Hime, M. A. Howe, M. Huang, E. Inrig, P. Jagam, N. A. Jelley, J. R. Klein, L. L. Kormos, M. S. Kos, A. Krüger, C. Kraus, C. B. Krauss, A. V. Krumins, T. Kutter, C. C.M. Kyba, H. Labranche, R. Lange, J. Law, I. T. Lawson, K. T. Lesko, J. R. Leslie, I. Levine, J. C. Loach, S. Luoma, R. MacLellan, S. Majerus, J. Maneira, A. D. Marino, N. McCauley, A. B. McDonald, S. McGee, C. Mifflin, K. K.S. Miknaitis, B. G. Nickel, A. J. Noble, E. B. Norman, N. S. Oblath, C. E. Okada, H. M. O'Keeffe, R. W. Ollerhead, G. D.Orebi Gann, J. L. Orrell, S. M. Oser, T. Ouvarova, S. J.M. Peeters, A. W.P. Poon, C. S.J. Pun, K. Rielage, B. C. Robertson, R. G.H. Robertson, E. Rollin, S. S.E. Rosendahl, M. H. Schwendener, S. R. Seibert, O. Simard, J. J. Simpson, C. J. Sims, D. Sinclair, L. Sinclair, P. Skensved, M. W.E. Smith, R. G. Stokstad, L. C. Stonehill, R. Tafirout, Y. Takeuchi, G. Tešić, M. Thomson, K. V. Tsang, T. Tsui, R. Van Berg, C. J. Virtue, B. L. Wall, D. Waller, C. E. Waltham, H. Wan Chan Tseung, D. L. Wark, J. Wendland, N. West, J. F. Wilkerson, J. R. Wilson, J. M. Wouters, M. Yeh, K. Zuber
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  • Carleton University
  • University of Guelph
  • University of Oxford
  • MST-8, Los Alamos National Laboratory
  • Ernest Orlando Lawrence Berkeley National Laboratory
  • Stanford Linear Accelerator Center
  • University of British Columbia
  • University of Washington
  • Long Beach VA and University of California
  • Louisiana State University
  • Brookhaven National Laboratory
  • Osaka University
  • TRIUMF
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  • Lisboa
  • Fermi National Accelerator Laboratory
  • Lawrence Livermore National Laboratory
  • Pacific Northwest National Laboratory
  • University of Hong Kong
  • Lund University
  • CCLRC Rutherford Appleton Laboratory
  • Imperial College London
  • University of Sussex

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Résumé

A search has been made for sinusoidal periodic variations in the B8 solar neutrino flux using data collected by the Sudbury Neutrino Observatory over a 4-year time interval. The variation at a period of 1 yr is consistent with modulation of the B8 neutrino flux by the Earth's orbital eccentricity. No significant sinusoidal periodicities are found with periods between 1 d and 10 years with either an unbinned maximum likelihood analysis or a Lomb-Scargle periodogram analysis. The data are inconsistent with the hypothesis that the results of the recent analysis by Sturrock et al., based on elastic scattering events in Super-Kamiokande, can be attributed to a 7% sinusoidal modulation of the total B8 neutrino flux.

langue originaleAnglais
Numéro d'article052010
journalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume72
Numéro de publication5
Les DOIs
étatPublié - 1 sept. 2005
Modification externeOui

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