Search for proton decay via p→e+π0 in a large water cherenkov detector

M. Shiozawa; B. Viren; 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; M. Oketa; K. Okumura; M. Ota; N. Sakurai; 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; T. Barszczak; W. Gajewski; P. G. Halverson; J. Hsu; W. R. Kropp; L. R. Price; F. Reines; H. W. Sobel; M. R. Vagins; K. S. Ganezer; W. E. Keig; R. W. Ellsworth; S. Tasaka; J. W. Flanagan; A. Kibayashi; J. G. Learned; S. Matsuno; V. Stenger; D. Takemori; T. Ishii; J. Kanzaki; T. Kobayashi; K. Nakamura; K. Nishikawa; Y. Oyama; A. Sakai; M. Sakuda; O. Sasaki; S. Echigo; M. Kohama; A. T. Suzuki; T. J. Haines; E. Blaufuss; R. Sanford; R. Svoboda; M. L. Chen; Z. Conner; J. A. Goodman; G. W. Sullivan; M. Mori; J. Hill; C. K. Jung; K. Martens; C. Mauger; C. McGrew; E. Sharkey; C. Yanagisawa; W. Doki; T. Ishizuka; Y. Kitaguchi; H. Koga; K. Miyano; H. Okazawa; C. Saji; M. Takahata; A. Kusano; Y. Nagashima; M. Takita; T. Yamaguchi; M. Yoshida; S. B. Kim; M. Etoh; K. Fujita; A. Hasegawa; T. Hasegawa; S. Hatakeyama; T. Iwamoto; T. Kinebuchi; M. Koga; T. Maruyama; H. Ogawa; A. Suzuki; F. Tsushima; M. Koshiba; M. Nemoto; K. Nishijima; T. Futagami; Y. Hayato; Y. Kanaya; K. Kaneyuki; Y. Watanabe; D. Kielczewska; R. Doyle; J. George; A. Stachyra; L. Wai; J. Wilkes; K. Young

doi:10.1103/PhysRevLett.81.3319

Search for proton decay via p→e⁺π⁰ in a large water cherenkov detector

M. Shiozawa, B. Viren, 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, M. OketaK. Okumura, M. Ota, N. Sakurai, 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, T. Barszczak, W. Gajewski, P. G. Halverson, J. Hsu, W. R. Kropp, L. R. Price, F. Reines, H. W. Sobel, M. R. Vagins, K. S. Ganezer, W. E. Keig, R. W. Ellsworth, S. Tasaka, J. W. Flanagan, A. Kibayashi, J. G. Learned, S. Matsuno, V. Stenger, D. Takemori, T. Ishii, J. Kanzaki, T. Kobayashi, K. Nakamura, K. Nishikawa, Y. Oyama, A. Sakai, M. Sakuda, O. Sasaki, S. Echigo, M. Kohama, A. T. Suzuki, T. J. Haines, E. Blaufuss, R. Sanford, R. Svoboda, M. L. Chen, Z. Conner, J. A. Goodman, G. W. Sullivan, M. Mori, J. Hill, C. K. Jung, K. Martens, C. Mauger, C. McGrew, E. Sharkey, C. Yanagisawa, W. Doki, T. Ishizuka, Y. Kitaguchi, H. Koga, K. Miyano, H. Okazawa, C. Saji, M. Takahata, A. Kusano, Y. Nagashima, M. Takita, T. Yamaguchi, M. Yoshida, S. B. Kim, M. Etoh, K. Fujita, A. Hasegawa, T. Hasegawa, S. Hatakeyama, T. Iwamoto, T. Kinebuchi, M. Koga, T. Maruyama, H. Ogawa, A. Suzuki, F. Tsushima, M. Koshiba, M. Nemoto, K. Nishijima, T. Futagami, Y. Hayato, Y. Kanaya, K. Kaneyuki, Y. Watanabe, D. Kielczewska, R. Doyle, J. George, A. Stachyra, L. Wai, J. Wilkes, K. Young

Physics & Astronomy (Duluth)

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Abstract

We have searched for proton decay via p→e⁺π⁰ using data from a 25.5ktonyr exposure of the Super-Kamiokande detector. We find no candidate events with an expected background induced by atmospheric neutrinos of 0.1 events. From these data, we set a lower limit on the partial lifetime of the proton τ/B_{p→e⁺π⁰} to be 1.6×1033years at a 90% confidence level.

Original language	English (US)
Pages (from-to)	3319-3323
Number of pages	5
Journal	Physical review letters
Volume	81
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.81.3319
State	Published - 1998

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Shiozawa, M., Viren, B., Fukuda, Y., Hayakawa, T., Ichihara, E., Inoue, K., Ishihara, K., Ishino, H., Itow, Y., Kajita, T., Kameda, J., Kasuga, S., Kobayashi, K., Kobayashi, Y., Koshio, Y., Miura, M., Nakahata, M., Nakayama, S., Okada, A., ... Young, K. (1998). Search for proton decay via p→e⁺π⁰ in a large water cherenkov detector. Physical review letters, 81(16), 3319-3323. https://doi.org/10.1103/PhysRevLett.81.3319

Shiozawa, M, Viren, B, Fukuda, Y, Hayakawa, T, Ichihara, E, Inoue, K, Ishihara, K, Ishino, H, Itow, Y, Kajita, T, Kameda, J, Kasuga, S, Kobayashi, K, Kobayashi, Y, Koshio, Y, Miura, M, Nakahata, M, Nakayama, S, Okada, A, Oketa, M, Okumura, K, Ota, M, Sakurai, N, Suzuki, Y, Takeuchi, Y, Totsuka, Y, Yamada, S, Earl, M, Habig, A, Kearns, E, Messier, MD, Scholberg, K, Stone, JL, Sulak, LR, Walter, CW, Goldhaber, M, Barszczak, T, Gajewski, W, Halverson, PG, Hsu, J, Kropp, WR, Price, LR, Reines, F, Sobel, HW, Vagins, MR, Ganezer, KS, Keig, WE, Ellsworth, RW, Tasaka, S, Flanagan, JW, Kibayashi, A, Learned, JG, Matsuno, S, Stenger, V, Takemori, D, Ishii, T, Kanzaki, J, Kobayashi, T, Nakamura, K, Nishikawa, K, Oyama, Y, Sakai, A, Sakuda, M, Sasaki, O, Echigo, S, Kohama, M, Suzuki, AT, Haines, TJ, Blaufuss, E, Sanford, R, Svoboda, R, Chen, ML, Conner, Z, Goodman, JA, Sullivan, GW, Mori, M, Hill, J, Jung, CK, Martens, K, Mauger, C, McGrew, C, Sharkey, E, Yanagisawa, C, Doki, W, Ishizuka, T, Kitaguchi, Y, Koga, H, Miyano, K, Okazawa, H, Saji, C, Takahata, M, Kusano, A, Nagashima, Y, Takita, M, Yamaguchi, T, Yoshida, M, Kim, SB, Etoh, M, Fujita, K, Hasegawa, A, Hasegawa, T, Hatakeyama, S, Iwamoto, T, Kinebuchi, T, Koga, M, Maruyama, T, Ogawa, H, Suzuki, A, Tsushima, F, Koshiba, M, Nemoto, M, Nishijima, K, Futagami, T, Hayato, Y, Kanaya, Y, Kaneyuki, K, Watanabe, Y, Kielczewska, D, Doyle, R, George, J, Stachyra, A, Wai, L, Wilkes, J & Young, K 1998, 'Search for proton decay via p→e⁺π⁰ in a large water cherenkov detector', Physical review letters, vol. 81, no. 16, pp. 3319-3323. https://doi.org/10.1103/PhysRevLett.81.3319

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title = "Search for proton decay via p→e+π0 in a large water cherenkov detector",

abstract = "We have searched for proton decay via p→e+π0 using data from a 25.5ktonyr exposure of the Super-Kamiokande detector. We find no candidate events with an expected background induced by atmospheric neutrinos of 0.1 events. From these data, we set a lower limit on the partial lifetime of the proton τ/Bp→e+π0 to be 1.6×1033years at a 90% confidence level.",

author = "M. Shiozawa and B. Viren and Y. Fukuda and T. Hayakawa and E. Ichihara and K. Inoue and K. Ishihara and H. Ishino and Y. Itow and T. Kajita and J. Kameda and S. Kasuga and K. Kobayashi and Y. Kobayashi and Y. Koshio and M. Miura and M. Nakahata and S. Nakayama and A. Okada and M. Oketa and K. Okumura and M. Ota and N. Sakurai and Y. Suzuki and Y. Takeuchi and Y. Totsuka and S. Yamada and M. Earl and A. Habig and E. Kearns and Messier, {M. D.} and K. Scholberg and Stone, {J. L.} and Sulak, {L. R.} and Walter, {C. W.} and M. Goldhaber and T. Barszczak and W. Gajewski and Halverson, {P. G.} and J. Hsu and Kropp, {W. R.} and Price, {L. R.} and F. Reines and Sobel, {H. W.} and Vagins, {M. R.} and Ganezer, {K. S.} and Keig, {W. E.} and Ellsworth, {R. W.} and S. Tasaka and Flanagan, {J. W.} and A. Kibayashi and Learned, {J. G.} and S. Matsuno and V. Stenger and D. Takemori and T. Ishii and J. Kanzaki and T. Kobayashi and K. Nakamura and K. Nishikawa and Y. Oyama and A. Sakai and M. Sakuda and O. Sasaki and S. Echigo and M. Kohama and Suzuki, {A. T.} and Haines, {T. J.} and E. Blaufuss and R. Sanford and R. Svoboda and Chen, {M. L.} and Z. Conner and Goodman, {J. A.} and Sullivan, {G. W.} and M. Mori and J. Hill and Jung, {C. K.} and K. Martens and C. Mauger and C. McGrew and E. Sharkey and C. Yanagisawa and W. Doki and T. Ishizuka and Y. Kitaguchi and H. Koga and K. Miyano and H. Okazawa and C. Saji and M. Takahata and A. Kusano and Y. Nagashima and M. Takita and T. Yamaguchi and M. Yoshida and Kim, {S. B.} and M. Etoh and K. Fujita and A. Hasegawa and T. Hasegawa and S. Hatakeyama and T. Iwamoto and T. Kinebuchi and M. Koga and T. Maruyama and H. Ogawa and A. Suzuki and F. Tsushima and M. Koshiba and M. Nemoto and K. Nishijima and T. Futagami and Y. Hayato and Y. Kanaya and K. Kaneyuki and Y. Watanabe and D. Kielczewska and R. Doyle and J. George and A. Stachyra and L. Wai and J. Wilkes and K. Young",

year = "1998",

doi = "10.1103/PhysRevLett.81.3319",

language = "English (US)",

volume = "81",

pages = "3319--3323",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

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TY - JOUR

T1 - Search for proton decay via p→e+π0 in a large water cherenkov detector

AU - Shiozawa, M.

AU - Viren, B.

AU - Fukuda, Y.

AU - Hayakawa, T.

AU - Ichihara, E.

AU - Inoue, K.

AU - Ishihara, K.

AU - Ishino, H.

AU - Itow, Y.

AU - Kajita, T.

AU - Kameda, J.

AU - Kasuga, S.

AU - Kobayashi, K.

AU - Kobayashi, Y.

AU - Koshio, Y.

AU - Miura, M.

AU - Nakahata, M.

AU - Nakayama, S.

AU - Okada, A.

AU - Oketa, M.

AU - Okumura, K.

AU - Ota, M.

AU - Sakurai, N.

AU - Suzuki, Y.

AU - Takeuchi, Y.

AU - Totsuka, Y.

AU - Yamada, S.

AU - Earl, M.

AU - Habig, A.

AU - Kearns, E.

AU - Messier, M. D.

AU - Scholberg, K.

AU - Stone, J. L.

AU - Sulak, L. R.

AU - Walter, C. W.

AU - Goldhaber, M.

AU - Barszczak, T.

AU - Gajewski, W.

AU - Halverson, P. G.

AU - Hsu, J.

AU - Kropp, W. R.

AU - Price, L. R.

AU - Reines, F.

AU - Sobel, H. W.

AU - Vagins, M. R.

AU - Ganezer, K. S.

AU - Keig, W. E.

AU - Ellsworth, R. W.

AU - Tasaka, S.

AU - Flanagan, J. W.

AU - Kibayashi, A.

AU - Learned, J. G.

AU - Matsuno, S.

AU - Stenger, V.

AU - Takemori, D.

AU - Ishii, T.

AU - Kanzaki, J.

AU - Kobayashi, T.

AU - Nakamura, K.

AU - Nishikawa, K.

AU - Oyama, Y.

AU - Sakai, A.

AU - Sakuda, M.

AU - Sasaki, O.

AU - Echigo, S.

AU - Kohama, M.

AU - Suzuki, A. T.

AU - Haines, T. J.

AU - Blaufuss, E.

AU - Sanford, R.

AU - Svoboda, R.

AU - Chen, M. L.

AU - Conner, Z.

AU - Goodman, J. A.

AU - Sullivan, G. W.

AU - Mori, M.

AU - Hill, J.

AU - Jung, C. K.

AU - Martens, K.

AU - Mauger, C.

AU - McGrew, C.

AU - Sharkey, E.

AU - Yanagisawa, C.

AU - Doki, W.

AU - Ishizuka, T.

AU - Kitaguchi, Y.

AU - Koga, H.

AU - Miyano, K.

AU - Okazawa, H.

AU - Saji, C.

AU - Takahata, M.

AU - Kusano, A.

AU - Nagashima, Y.

AU - Takita, M.

AU - Yamaguchi, T.

AU - Yoshida, M.

AU - Kim, S. B.

AU - Etoh, M.

AU - Fujita, K.

AU - Hasegawa, A.

AU - Hasegawa, T.

AU - Hatakeyama, S.

AU - Iwamoto, T.

AU - Kinebuchi, T.

AU - Koga, M.

AU - Maruyama, T.

AU - Ogawa, H.

AU - Suzuki, A.

AU - Tsushima, F.

AU - Koshiba, M.

AU - Nemoto, M.

AU - Nishijima, K.

AU - Futagami, T.

AU - Hayato, Y.

AU - Kanaya, Y.

AU - Kaneyuki, K.

AU - Watanabe, Y.

AU - Kielczewska, D.

AU - Doyle, R.

AU - George, J.

AU - Stachyra, A.

AU - Wai, L.

AU - Wilkes, J.

AU - Young, K.

PY - 1998

Y1 - 1998

N2 - We have searched for proton decay via p→e+π0 using data from a 25.5ktonyr exposure of the Super-Kamiokande detector. We find no candidate events with an expected background induced by atmospheric neutrinos of 0.1 events. From these data, we set a lower limit on the partial lifetime of the proton τ/Bp→e+π0 to be 1.6×1033years at a 90% confidence level.

AB - We have searched for proton decay via p→e+π0 using data from a 25.5ktonyr exposure of the Super-Kamiokande detector. We find no candidate events with an expected background induced by atmospheric neutrinos of 0.1 events. From these data, we set a lower limit on the partial lifetime of the proton τ/Bp→e+π0 to be 1.6×1033years at a 90% confidence level.

UR - http://www.scopus.com/inward/record.url?scp=4244060559&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=4244060559&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.81.3319

DO - 10.1103/PhysRevLett.81.3319

M3 - Article

AN - SCOPUS:4244060559

SN - 0031-9007

VL - 81

SP - 3319

EP - 3323

JO - Physical review letters

JF - Physical review letters

IS - 16

ER -

Search for proton decay via p→e⁺π⁰ in a large water cherenkov detector

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