TY - JOUR
T1 - Latest result of solar neutrino analysis in Super-Kamiokande
AU - Super-Kamiokande collaboration
AU - Nakano, Yuuki
N1 - Publisher Copyright:
© Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd
PY - 2020/3/20
Y1 - 2020/3/20
N2 - Super-Kamiokande (SK), a 50 kton water Cherenkov detector in Japan, is observing neutrinos and searching for proton decay and neutrino produced by dark matter. In solar neutrino analysis, SK studies the effects of both the solar and terrestrial matter density on neutrino oscillations: a distortion of the solar neutrino energy spectrum would be caused by the edge of the Mikheyev-Smirnov-Wolfenstein resonance in the solar core, and terrestrial matter effects would induce a day/night solar neutrino flux asymmetry. The installation of new front-end electronics in 2008 marks the beginning of the 4th phase of SK (SK-IV). On 2018 May, we finished taking data of SK-IV and started the refurbishment work in order to clean the inside of the detector and to seal the water tank to prevent water tank toward SK-Gd. In this proceedings, we overview the latest solar neutrino results in SK-IV, for example, the precise measurement of 8B solar neutrino flux, its energy spectrum and oscillation parameters. In addition, we discuss the future prospect of the new phase of SK-V.
AB - Super-Kamiokande (SK), a 50 kton water Cherenkov detector in Japan, is observing neutrinos and searching for proton decay and neutrino produced by dark matter. In solar neutrino analysis, SK studies the effects of both the solar and terrestrial matter density on neutrino oscillations: a distortion of the solar neutrino energy spectrum would be caused by the edge of the Mikheyev-Smirnov-Wolfenstein resonance in the solar core, and terrestrial matter effects would induce a day/night solar neutrino flux asymmetry. The installation of new front-end electronics in 2008 marks the beginning of the 4th phase of SK (SK-IV). On 2018 May, we finished taking data of SK-IV and started the refurbishment work in order to clean the inside of the detector and to seal the water tank to prevent water tank toward SK-Gd. In this proceedings, we overview the latest solar neutrino results in SK-IV, for example, the precise measurement of 8B solar neutrino flux, its energy spectrum and oscillation parameters. In addition, we discuss the future prospect of the new phase of SK-V.
UR - http://www.scopus.com/inward/record.url?scp=85089569447&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/1468/1/012189
DO - 10.1088/1742-6596/1468/1/012189
M3 - 会議記事
AN - SCOPUS:85089569447
SN - 1742-6588
VL - 1468
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 1
M1 - 012189
T2 - 16th International Conference on Topics in Astroparticle and Underground Physics, TAUP 2019
Y2 - 9 September 2019 through 13 September 2019
ER -