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

Aharmim, B. and Ahmed, S. and Anthony, A. and Beier, E. and Bellerive, A. and Bergevin, M. and Biller, S. and Boulay, M. and Bowler, M. and Chan, Y. and Chen, M. and Chen, X. and Cleveland, B. and Costin, T. and Cox, G. and Currat, C. and Dai, X. and Deng, H. and Detwiler, J. and Doe, P. and Dosanjh, R. and Doucas, G. and Duba, C. and Duncan, F. and Dunford, M. and Dunmore, J. and Earle, E. and Elliott, S. and Evans, H. and Ewan, G. and Farine, J. and Fergani, H. and Fleurot, F. and Formaggio, J. and Frati, W. and Fulsom, B. and Gagnon, N. and Goon, J. and Graham, K. and Hahn, R. and Hallin, A. and Hallman, E. and Handler, W. and Hargrove, C. and Harvey, P. and Hazama, R. and Heeger, K. and Heelan, L. and Kormos, L. and O'Keeffe, Helen (2005) Search for periodicities in the B8 solar neutrino flux measured by the Sudbury Neutrino Observatory. Physical Review D, 72 (5). ISSN 1550-7998

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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.

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Journal Article
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Physical Review D
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© 2005 The American Physical Society
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12 Jun 2014 12:20
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14 Jul 2020 04:02