A study on single photon production at √s=54.0-61.4 GeV

K. Abe; K. Amako; Y. Arai; Y. Asano; M. Chiba; Y. Chiba; M. Daigo; T. Emura; I. Endo; M. Fukawa; T. Fukui; Y. Fukushima; J. Haba; D. Haidt; I. Hayashibara; Y. Hemmi; M. Higuchi; T. Hirose; Y. Hojyo; Y. Homma; Y. Hoshi; Y. Ikegami; N. Ishihara; T. Kamitani; N. Kanematsu; J. Kanzaki; R. Kikuchi; T. Kondo; T. Koseki; H. Kurashige; T. Matsui; M. Minami; K. Miyake; S. Mori; Y. Nagashima; T. Nakamura; I. Nakano; Y. Narita; S. Odaka; K. Ogawa; T. Ohama; T. Ohsugi; A. Okamoto; A. Ono; H. Osabe; T. Oyama; H. Saito; H. Sakae; H. Sakamoto; S. Sakamoto; M. Sakano; M. Sakuda; N. Sasao; M. Sato; M. Shioden; J. Shirai; S. Shirakata; S. Sugimoto; T. Sumiyoshi; S. Suzuki; Y. Suzuki; Y. Takada; F. Takasaki; A. Taketani; M. Takita; N. Tamura; R. Tanaka; N. Terunuma; K. Tobimatsu; T. Tsuboyama; A. Tsukamoto; S. Uehara; Y. Unno; M. Utsumi; M. Wakai; T. Watanabe; Y. Watase; F. Yabuki; Y. Yamada; T. Yamagata; T. Yamashita; Y. Yonezawa; H. Yoshida

doi:10.1016/0370-2693(89)90769-7

A study on single photon production at √s=54.0-61.4 GeV

K. Abe, K. Amako, Y. Arai, Y. Asano, M. Chiba, Y. Chiba, M. Daigo, T. Emura, I. Endo, M. Fukawa, T. Fukui, Y. Fukushima, J. Haba, D. Haidt, I. Hayashibara, Y. Hemmi, M. Higuchi, T. Hirose, Y. Hojyo, Y. HommaY. Hoshi, Y. Ikegami, N. Ishihara, T. Kamitani, N. Kanematsu, J. Kanzaki, R. Kikuchi, T. Kondo, T. Koseki, H. Kurashige, T. Matsui, M. Minami, K. Miyake, S. Mori, Y. Nagashima, T. Nakamura, I. Nakano, Y. Narita, S. Odaka, K. Ogawa, T. Ohama, T. Ohsugi, A. Okamoto, A. Ono, H. Osabe, T. Oyama, H. Saito, H. Sakae, H. Sakamoto, S. Sakamoto, M. Sakano, M. Sakuda, N. Sasao, M. Sato, M. Shioden, J. Shirai, S. Shirakata, S. Sugimoto, T. Sumiyoshi, S. Suzuki, Y. Suzuki, Y. Takada, F. Takasaki, A. Taketani, M. Takita, N. Tamura, R. Tanaka, N. Terunuma, K. Tobimatsu, T. Tsuboyama, A. Tsukamoto, S. Uehara, Y. Unno, M. Utsumi, M. Wakai, T. Watanabe, Y. Watase, F. Yabuki, Y. Yamada, T. Yamagata, T. Yamashita, Y. Yonezawa, H. Yoshida

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Abstract

A study of single photon events, produced in association with light neutrinos or other weakly interacting neutral particlaes in e⁺e^- collisions, has been performed at √s=54.0-61.4 GeV with the VENUS detector at TRISTAN. No anomalous signal has been observed in a data sample corresponding to an integrated luminosity of 28.2 pb^-1. This result indicates that the upper limit on the number of light neutrinos, N_ν, is 11 (15) at a 90 (95)% confidence level. Combining this with published results from other e⁺e^- experiments, the number of light neutrinos is limited to N_ν<3.9(4.8) at the 90 (95)% confidence level. Limits are also placed on the mass of supersymmetric particles.

Original language	English
Pages (from-to)	431-436
Number of pages	6
Journal	Physics Letters B
Volume	232
Issue number	3
DOIs	https://doi.org/10.1016/0370-2693(89)90769-7
Publication status	Published - 1989 Dec 7
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0370-2693(89)90769-7

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Abe, K., Amako, K., Arai, Y., Asano, Y., Chiba, M., Chiba, Y., Daigo, M., Emura, T., Endo, I., Fukawa, M., Fukui, T., Fukushima, Y., Haba, J., Haidt, D., Hayashibara, I., Hemmi, Y., Higuchi, M., Hirose, T., Hojyo, Y., ... Yoshida, H. (1989). A study on single photon production at √s=54.0-61.4 GeV. Physics Letters B, 232(3), 431-436. https://doi.org/10.1016/0370-2693(89)90769-7

Abe, K, Amako, K, Arai, Y, Asano, Y, Chiba, M, Chiba, Y, Daigo, M, Emura, T, Endo, I, Fukawa, M, Fukui, T, Fukushima, Y, Haba, J, Haidt, D, Hayashibara, I, Hemmi, Y, Higuchi, M, Hirose, T, Hojyo, Y, Homma, Y, Hoshi, Y, Ikegami, Y, Ishihara, N, Kamitani, T, Kanematsu, N, Kanzaki, J, Kikuchi, R, Kondo, T, Koseki, T, Kurashige, H, Matsui, T, Minami, M, Miyake, K, Mori, S, Nagashima, Y, Nakamura, T, Nakano, I, Narita, Y, Odaka, S, Ogawa, K, Ohama, T, Ohsugi, T, Okamoto, A, Ono, A, Osabe, H, Oyama, T, Saito, H, Sakae, H, Sakamoto, H, Sakamoto, S, Sakano, M, Sakuda, M, Sasao, N, Sato, M, Shioden, M, Shirai, J, Shirakata, S, Sugimoto, S, Sumiyoshi, T, Suzuki, S, Suzuki, Y, Takada, Y, Takasaki, F, Taketani, A, Takita, M, Tamura, N, Tanaka, R, Terunuma, N, Tobimatsu, K, Tsuboyama, T, Tsukamoto, A, Uehara, S, Unno, Y, Utsumi, M, Wakai, M, Watanabe, T, Watase, Y, Yabuki, F, Yamada, Y, Yamagata, T, Yamashita, T, Yonezawa, Y & Yoshida, H 1989, 'A study on single photon production at √s=54.0-61.4 GeV', Physics Letters B, vol. 232, no. 3, pp. 431-436. https://doi.org/10.1016/0370-2693(89)90769-7

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title = "A study on single photon production at √s=54.0-61.4 GeV",

abstract = "A study of single photon events, produced in association with light neutrinos or other weakly interacting neutral particlaes in e+e- collisions, has been performed at √s=54.0-61.4 GeV with the VENUS detector at TRISTAN. No anomalous signal has been observed in a data sample corresponding to an integrated luminosity of 28.2 pb-1. This result indicates that the upper limit on the number of light neutrinos, Nν, is 11 (15) at a 90 (95)% confidence level. Combining this with published results from other e+e- experiments, the number of light neutrinos is limited to Nν<3.9(4.8) at the 90 (95)% confidence level. Limits are also placed on the mass of supersymmetric particles.",

author = "K. Abe and K. Amako and Y. Arai and Y. Asano and M. Chiba and Y. Chiba and M. Daigo and T. Emura and I. Endo and M. Fukawa and T. Fukui and Y. Fukushima and J. Haba and D. Haidt and I. Hayashibara and Y. Hemmi and M. Higuchi and T. Hirose and Y. Hojyo and Y. Homma and Y. Hoshi and Y. Ikegami and N. Ishihara and T. Kamitani and N. Kanematsu and J. Kanzaki and R. Kikuchi and T. Kondo and T. Koseki and H. Kurashige and T. Matsui and M. Minami and K. Miyake and S. Mori and Y. Nagashima and T. Nakamura and I. Nakano and Y. Narita and S. Odaka and K. Ogawa and T. Ohama and T. Ohsugi and A. Okamoto and A. Ono and H. Osabe and T. Oyama and H. Saito and H. Sakae and H. Sakamoto and S. Sakamoto and M. Sakano and M. Sakuda and N. Sasao and M. Sato and M. Shioden and J. Shirai and S. Shirakata and S. Sugimoto and T. Sumiyoshi and S. Suzuki and Y. Suzuki and Y. Takada and F. Takasaki and A. Taketani and M. Takita and N. Tamura and R. Tanaka and N. Terunuma and K. Tobimatsu and T. Tsuboyama and A. Tsukamoto and S. Uehara and Y. Unno and M. Utsumi and M. Wakai and T. Watanabe and Y. Watase and F. Yabuki and Y. Yamada and T. Yamagata and T. Yamashita and Y. Yonezawa and H. Yoshida",

year = "1989",

month = dec,

day = "7",

doi = "10.1016/0370-2693(89)90769-7",

language = "English",

volume = "232",

pages = "431--436",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "3",

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TY - JOUR

T1 - A study on single photon production at √s=54.0-61.4 GeV

AU - Abe, K.

AU - Amako, K.

AU - Arai, Y.

AU - Asano, Y.

AU - Chiba, M.

AU - Chiba, Y.

AU - Daigo, M.

AU - Emura, T.

AU - Endo, I.

AU - Fukawa, M.

AU - Fukui, T.

AU - Fukushima, Y.

AU - Haba, J.

AU - Haidt, D.

AU - Hayashibara, I.

AU - Hemmi, Y.

AU - Higuchi, M.

AU - Hirose, T.

AU - Hojyo, Y.

AU - Homma, Y.

AU - Hoshi, Y.

AU - Ikegami, Y.

AU - Ishihara, N.

AU - Kamitani, T.

AU - Kanematsu, N.

AU - Kanzaki, J.

AU - Kikuchi, R.

AU - Kondo, T.

AU - Koseki, T.

AU - Kurashige, H.

AU - Matsui, T.

AU - Minami, M.

AU - Miyake, K.

AU - Mori, S.

AU - Nagashima, Y.

AU - Nakamura, T.

AU - Nakano, I.

AU - Narita, Y.

AU - Odaka, S.

AU - Ogawa, K.

AU - Ohama, T.

AU - Ohsugi, T.

AU - Okamoto, A.

AU - Ono, A.

AU - Osabe, H.

AU - Oyama, T.

AU - Saito, H.

AU - Sakae, H.

AU - Sakamoto, H.

AU - Sakamoto, S.

AU - Sakano, M.

AU - Sakuda, M.

AU - Sasao, N.

AU - Sato, M.

AU - Shioden, M.

AU - Shirai, J.

AU - Shirakata, S.

AU - Sugimoto, S.

AU - Sumiyoshi, T.

AU - Suzuki, S.

AU - Suzuki, Y.

AU - Takada, Y.

AU - Takasaki, F.

AU - Taketani, A.

AU - Takita, M.

AU - Tamura, N.

AU - Tanaka, R.

AU - Terunuma, N.

AU - Tobimatsu, K.

AU - Tsuboyama, T.

AU - Tsukamoto, A.

AU - Uehara, S.

AU - Unno, Y.

AU - Utsumi, M.

AU - Wakai, M.

AU - Watanabe, T.

AU - Watase, Y.

AU - Yabuki, F.

AU - Yamada, Y.

AU - Yamagata, T.

AU - Yamashita, T.

AU - Yonezawa, Y.

AU - Yoshida, H.

PY - 1989/12/7

Y1 - 1989/12/7

N2 - A study of single photon events, produced in association with light neutrinos or other weakly interacting neutral particlaes in e+e- collisions, has been performed at √s=54.0-61.4 GeV with the VENUS detector at TRISTAN. No anomalous signal has been observed in a data sample corresponding to an integrated luminosity of 28.2 pb-1. This result indicates that the upper limit on the number of light neutrinos, Nν, is 11 (15) at a 90 (95)% confidence level. Combining this with published results from other e+e- experiments, the number of light neutrinos is limited to Nν<3.9(4.8) at the 90 (95)% confidence level. Limits are also placed on the mass of supersymmetric particles.

AB - A study of single photon events, produced in association with light neutrinos or other weakly interacting neutral particlaes in e+e- collisions, has been performed at √s=54.0-61.4 GeV with the VENUS detector at TRISTAN. No anomalous signal has been observed in a data sample corresponding to an integrated luminosity of 28.2 pb-1. This result indicates that the upper limit on the number of light neutrinos, Nν, is 11 (15) at a 90 (95)% confidence level. Combining this with published results from other e+e- experiments, the number of light neutrinos is limited to Nν<3.9(4.8) at the 90 (95)% confidence level. Limits are also placed on the mass of supersymmetric particles.

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U2 - 10.1016/0370-2693(89)90769-7

DO - 10.1016/0370-2693(89)90769-7

M3 - Article

AN - SCOPUS:0002494682

SN - 0370-2693

VL - 232

SP - 431

EP - 436

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3

ER -

A study on single photon production at √s=54.0-61.4 GeV

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