Analysis of a three flavor neutrino oscillation fit to recent Super-Kamiokande data |
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Authors: | Ch. Meier T. Ohlsson |
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Affiliation: | (1) Division of Mathematical Physics, Theoretical Physics, Department of Physics, Royal Institute of Technology, 100 44 Stockholm, Sweden, SE |
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Abstract: | We have analyzed the most recent available Super-Kamiokande data in a three flavor neutrino oscillation model. We have here neglected possible matter effects and we performed a fit to atmospheric and solar Super-Kamiokande data. We have investigated a large parameter range where the mixing angles were restricted to , , and the mass squared differences were taken to be in the intervals and , i.e., the hierarchy between the mass squared differences is not completely determined. This yielded a best solution characterized by the parameter values , , , , and , which shows that the analyzed experimental data speak in favor of a bimaximal mixing scenario with one of the mass squared differences in the “just-so” domain and the other one in the range capable of providing a solution to the atmospheric neutrino problem. Received: 4 July 2000 / Published online: 27 October 2000 |
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