Jaw-Cherng Hsu

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Yerba mate tea is known as one of the most popular nonalcoholic beverages favoured by South Americans due to its nutrition facts and medicinal properties. The processing of yerba mate tea is found to affect the properties of its final forms. This study presents an investigation into the effects of water sources on the dissolution of yerba mate extract(More)
A search for day-night variations in the solar neutrino flux resulting from neutrino oscillations has been carried out using the 504 day sample of solar neutrino data obtained at Super-Kamiokande. The absence of a significant day-night variation has set an absolute flux independent exclusion region in the two neutrino oscillation parameter space.(More)
  • The Super-Kamiokande, Y Collaboration, +120 authors K K Young
  • 1998
A measurement of the energy spectrum of recoil electrons from solar neutrino scattering in the Super–Kamiokande detector is presented. The results shown here are obtained from 504 days of data taken between the 31 of May, 1996 and the 25 of March, 1998. The shape of the measured spectrum is compared with the expectation for solar B neutrinos. The comparison(More)
The atmospheric neutrino ux ratio = e and its zenith angle dependence have been measured in the multi-GeV energy range using an exposure of 25.5 kiloton-years of the Super-Kamiokande detector. By comparing the data to a detailed Monte Carlo simulation, the ratio ( =e)DATA=( =e)MC was measured to be 0:66 0:06(stat:) 0:08(sys:). In addition, a strong(More)
The first results of the solar neutrino flux measurement from Super-Kamiokande are presented. The results shown here are obtained from data taken between the 31st of May, 1996, and the 23rd of June, 1997. Using our measurement of recoil electrons with energies above 6.5 MeV, we infer the total flux of B solar neutrinos to be 2.42±0.06(stat.) −0.07(syst.)×10(More)
Y.Fukuda, T.Hayakawa, E.Ichihara, K.Inoue, K.Ishihara, H.Ishino, Y.Itow, T.Kajita, J.Kameda, S.Kasuga, K.Kobayashi, Y.Kobayashi, Y.Koshio, M.Miura, M.Nakahata, S.Nakayama, A.Okada, K.Okumura, N.Sakurai, M.Shiozawa, Y.Suzuki, Y.Takeuchi, Y.Totsuka, S.Yamada, M.Earl, A.Habig, E.Kearns, M.D.Messier, K.Scholberg, J.L.Stone, L.R.Sulak, C.W.Walter, M.Goldhaber,(More)
The atmospheric neutrino flux ratio νμ/νe and its zenith angle dependence have been measured in the multi-GeV energy range using an exposure of 25.5 kiloton-years of the Super-Kamiokande detector. By comparing the data to a detailed Monte Carlo simulation, the ratio (μ/e)DATA/(μ/e)MC was measured to be 0.66 ± 0.06(stat.) ± 0.08(sys.). In addition, a strong(More)
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