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Effect of neutrino magnetic moment on solar neutrino observations

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Abstract

Neutrino spin precession effects in the magnetic field of the Sun are considered as an explanation of the outcome of Davis' solar neutrino experiments. Theoretically, it is possible to account for a neutrino magnetic moment only as the result of the interaction of the electromagnetic field with charged particles into which the neutrino can transform virtually. The currently accepted theory of weak interactions (the two component neutrino andV-A interactions) forbids a resulting magnetic moment interaction with the electromagnetic field for all such virtual processes. Modifications of this theory are considered to find out whether an appreciable precession effect is permitted within the experimentally established limits. It is found that the value for the neutrino magnetic moment evaluated under these theoretically anomalous circumstances is still so small that only the largest possible estimate for the magnetic field strength in the Sun's interior would cause the required effect.

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Authors and Affiliations

  1. Lauritsen Laboratory, California Institute of Technology, Pasadena, Calif., USA

    Arturo Cisneros

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  1. Arturo Cisneros
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The author has received scholarship support from the Latin American Scholarship Program of American Universities during the preparation of this work.

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Cisneros, A. Effect of neutrino magnetic moment on solar neutrino observations. Astrophys Space Sci 10, 87–92 (1971). https://doi.org/10.1007/BF00654607

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  • DOI: https://doi.org/10.1007/BF00654607

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