Solar neutrino measurement in SK and larger detector

Y. Koshio

doi:10.1016/j.nuclphysbps.2005.03.034

Solar neutrino measurement in SK and larger detector

Y. Koshio

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

The results of solar neutrino data from the first phase of Super-Kamiokande (SK-I) are presented. Super-Kamiokande can measure not only the solar neutrino flux but also its energy spectrum and time variations such as day-night and seasonal differences. The detail oscillation analysis using those information is appeared. Combining all the solar and KamLAND reactor data, the obtained oscillation parameters are determined as Δm² = 8.3 × 10^-5 eV² and tan² θ = 0.38. The recent results in the second phase of SK (SK-II) are also presented, and its flux, spectrum and time variation are consistent with SK-I. The possibility of future water cherenkov detectors, such as SK-III and Mega-ton class detector, are described. If the current neutrino oscillation parameter is assumed, its spectrum has deficit in the lower energy region. And the possibility of the day-night asymmetry is also discussed.

Original language	English
Pages (from-to)	53-56
Number of pages	4
Journal	Nuclear Physics B - Proceedings Supplements
Volume	145
Issue number	1-3 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nuclphysbps.2005.03.034
Publication status	Published - Aug 1 2005
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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Koshio, Y. (2005). Solar neutrino measurement in SK and larger detector. Nuclear Physics B - Proceedings Supplements, 145(1-3 SPEC. ISS.), 53-56. https://doi.org/10.1016/j.nuclphysbps.2005.03.034

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abstract = "The results of solar neutrino data from the first phase of Super-Kamiokande (SK-I) are presented. Super-Kamiokande can measure not only the solar neutrino flux but also its energy spectrum and time variations such as day-night and seasonal differences. The detail oscillation analysis using those information is appeared. Combining all the solar and KamLAND reactor data, the obtained oscillation parameters are determined as Δm2 = 8.3 × 10-5 eV2 and tan2 θ = 0.38. The recent results in the second phase of SK (SK-II) are also presented, and its flux, spectrum and time variation are consistent with SK-I. The possibility of future water cherenkov detectors, such as SK-III and Mega-ton class detector, are described. If the current neutrino oscillation parameter is assumed, its spectrum has deficit in the lower energy region. And the possibility of the day-night asymmetry is also discussed.",

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