Solar neutrino flux,cosmic rays,and the solar activity cycle |
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| Authors: | Probhas Raychaudhuri |
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| Institution: | (1) Department of Applied Mathematics, Calcutta University, 700 009 Calcutta, India |
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| Abstract: | It is suggested that the experimental data on the solar neutrino flux as measured by Davis and his collaborators from 1970 to 1982 vary with the solar activity cycle to a very high level of statistical significance for all the available tests of the hypothesis (e.g., (t-test,  2-test, run test, Wilcoxon-Mann-Whitney test) when the solar neutrino flux data are computed from the weighted moving averages of order 5. The above tests have also been applied to the data that have been generated by the Monte Carlo simulation with production rate and background rate parameters that are typical of those in the actual experiment. It is shown that the Monte Carlo simulated data do not indicate a variation within the solar cycle. Thus the moving average data strongly favours the variation within the solar activity cycle. |
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