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Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande.

Publication ,  Journal Article
Abe, K; Hayato, Y; Iida, T; Iyogi, K; Kameda, J; Koshio, Y; Kozuma, Y; Marti, L; Miura, M; Moriyama, S; Nakahata, M; Nakayama, S; Obayashi, Y ...
Published in: Physical review letters
May 2013

Super-Kamiokande atmospheric neutrino data were fit with an unbinned maximum likelihood method to search for the appearance of tau leptons resulting from the interactions of oscillation-generated tau neutrinos in the detector. Relative to the expectation of unity, the tau normalization is found to be 1.42 ± 0.35(stat)(-0.12)(+0.14)(syst) excluding the no-tau-appearance hypothesis, for which the normalization would be zero, at the 3.8σ level. We estimate that 180.1 ± 44.3(stat)(-15.2)(+17.8) (syst) tau leptons were produced in the 22.5 kton fiducial volume of the detector by tau neutrinos during the 2806 day running period. In future analyses, this large sample of selected tau events will allow the study of charged current tau neutrino interaction physics with oscillation produced tau neutrinos.

Duke Scholars

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

May 2013

Volume

110

Issue

18

Start / End Page

181802

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

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Abe, K., Hayato, Y., Iida, T., Iyogi, K., Kameda, J., Koshio, Y., … Super-Kamiokande Collaboration. (2013). Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande. Physical Review Letters, 110(18), 181802. https://doi.org/10.1103/physrevlett.110.181802
Abe, K., Y. Hayato, T. Iida, K. Iyogi, J. Kameda, Y. Koshio, Y. Kozuma, et al. “Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande.Physical Review Letters 110, no. 18 (May 2013): 181802. https://doi.org/10.1103/physrevlett.110.181802.
Abe K, Hayato Y, Iida T, Iyogi K, Kameda J, Koshio Y, et al. Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande. Physical review letters. 2013 May;110(18):181802.
Abe, K., et al. “Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande.Physical Review Letters, vol. 110, no. 18, May 2013, p. 181802. Epmc, doi:10.1103/physrevlett.110.181802.
Abe K, Hayato Y, Iida T, Iyogi K, Kameda J, Koshio Y, Kozuma Y, Marti L, Miura M, Moriyama S, Nakahata M, Nakayama S, Obayashi Y, Sekiya H, Shiozawa M, Suzuki Y, Takeda A, Takenaga Y, Ueno K, Ueshima K, Yamada S, Yokozawa T, Ishihara C, Kaji H, Kajita T, Kaneyuki K, Lee KP, McLachlan T, Okumura K, Shimizu Y, Tanimoto N, Labarga L, Kearns E, Litos M, Raaf JL, Stone JL, Sulak LR, Goldhaber M, Bays K, Kropp WR, Mine S, Regis C, Renshaw A, Smy MB, Sobel HW, Ganezer KS, Hill J, Keig WE, Jang JS, Kim JY, Lim IT, Albert JB, Scholberg K, Walter CW, Wendell R, Wongjirad TM, Ishizuka T, Tasaka S, Learned JG, Matsuno S, Smith SN, Hasegawa T, Ishida T, Ishii T, Kobayashi T, Nakadaira T, Nakamura K, Nishikawa K, Oyama Y, Sakashita K, Sekiguchi T, Tsukamoto T, Suzuki AT, Takeuchi Y, Ikeda M, Minamino A, Nakaya T, Fukuda Y, Itow Y, Mitsuka G, Tanaka T, Jung CK, Lopez GD, Taylor I, Yanagisawa C, Ishino H, Kibayashi A, Mino S, Mori T, Sakuda M, Toyota H, Kuno Y, Yoshida M, Kim SB, Yang BS, Okazawa H, Choi Y, Nishijima K, Koshiba M, Yokoyama M, Totsuka Y, Martens K, Schuemann J, Vagins MR, Chen S, Heng Y, Yang Z, Zhang H, Kielczewska D, Mijakowski P, Connolly K, Dziomba M, Thrane E, Wilkes RJ, Super-Kamiokande Collaboration. Evidence for the appearance of atmospheric tau neutrinos in super-Kamiokande. Physical review letters. 2013 May;110(18):181802.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

May 2013

Volume

110

Issue

18

Start / End Page

181802

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences