Solar neutrinos at super-Kamiokande

研究成果: Article査読

抄録

A huge ring imaging water Cherenkov detector, super-Kamiokande, has started data accumulation on April 1st, 1996 as promised. This experiment is expected to give a definite answer to the neutrino oscillation solutions of the long standing solar neutrino problem through high statistics and high precision spectrum and day/night flux measurement. Super-Kamiokande is accumulating 8B solar neutrino data very quickly and preliminary results obtained from 374 days of data are presented here, instead of 306 days of data presented at the conference. No significant day/night variation nor seasonal variation are found. Systematic errors of energy scale are largely reduced by the LINAC calibrations at various positions. And the experiment is getting closer to the level of the systematic errors where we can definitely discuss about the spectrum distortion. Also implications of those preliminary results are discussed within two neutrino oscillation hypothesis.

本文言語English
ページ(範囲)273-283
ページ数11
ジャーナルNuclear Physics B - Proceedings Supplements
70
1-3
DOI
出版ステータスPublished - 1999 1
外部発表はい

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 核物理学および高エネルギー物理学

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