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Search for periodicities in the 8B solar neutrino flux measured by the Sudbury Neutrino Observatory

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>1/09/2005
<mark>Journal</mark>Physical Review D
<mark>Original language</mark>English


A search has been made for sinusoidal periodic variations in the 8B 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 8B 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 8B neutrino flux.

Bibliographic note

Author list is partial - see original article for full author list.