Study of multihadron events with isolated leptons in e+e- annihilation at 50≤ sles;55 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, K. Kubo, H. Kurashige, K. Maehata, T. Matsui, M. Minami, K. Miyake, S. Mori, Y. Nagashima, T. Nakamura, I. Nakano, K. Ogawa, T. Ohama, T. Ohsugi, A. Ono, H. Osabe, H. Saito, H. Sakae, H. Sakamoto, S. Sakamoto, M. Sakano, Makoto Sakuda, Noboru Sasao, M. Sato, M. Shioden, J. Shirai, F. Suekane, S. Sugimoto, T. Sumiyoshi, Y. Suzuki, Y. Takada, F. Takasaki, A. Taketani, N. Tamura, R. Tanaka, K. Tobimatsu, T. Tsuboyama, A. Tsukamoto, S. Uehara, Y. Unno, M. Wakai, M. Wake, T. Watanabe, Y. Watase, Y. Yamada, T. Yamagata, T. Yamashita, H. Yoshida

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Abstract

We have studied inclusive lepton production in e+e- annihilations into multihadrons in the energy range between √s=50 and 55 GeV using the VENUS detector at TRISTAN, KEK. Though MARK-J and JADE groups at PETRA found an excess of isolated muon events at √s≥46.3 GeV, we have not observed such an anomaly in muon nor in electron production. The observed rates of isolated leptons are consistent with the production and decay of five known quarks.

Original languageEnglish
Pages (from-to)355-360
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume207
Issue number3
DOIs
Publication statusPublished - Jun 23 1988
Externally publishedYes

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leptons
muons
quarks
anomalies
detectors
decay
electrons
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Study of multihadron events with isolated leptons in e+e- annihilation at 50≤ sles;55 GeV. / 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.; Kubo, K.; Kurashige, H.; Maehata, K.; Matsui, T.; Minami, M.; Miyake, K.; Mori, S.; Nagashima, Y.; Nakamura, T.; Nakano, I.; Ogawa, K.; Ohama, T.; Ohsugi, T.; Ono, A.; Osabe, H.; Saito, H.; Sakae, H.; Sakamoto, H.; Sakamoto, S.; Sakano, M.; Sakuda, Makoto; Sasao, Noboru; Sato, M.; Shioden, M.; Shirai, J.; Suekane, F.; Sugimoto, S.; Sumiyoshi, T.; Suzuki, Y.; Takada, Y.; Takasaki, F.; Taketani, A.; Tamura, N.; Tanaka, R.; Tobimatsu, K.; Tsuboyama, T.; Tsukamoto, A.; Uehara, S.; Unno, Y.; Wakai, M.; Wake, M.; Watanabe, T.; Watase, Y.; Yamada, Y.; Yamagata, T.; Yamashita, T.; Yoshida, H.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 207, No. 3, 23.06.1988, p. 355-360.

Research output: Contribution to journalArticle

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, Kubo, K, Kurashige, H, Maehata, K, Matsui, T, Minami, M, Miyake, K, Mori, S, Nagashima, Y, Nakamura, T, Nakano, I, Ogawa, K, Ohama, T, Ohsugi, T, Ono, A, Osabe, H, Saito, H, Sakae, H, Sakamoto, H, Sakamoto, S, Sakano, M, Sakuda, M, Sasao, N, Sato, M, Shioden, M, Shirai, J, Suekane, F, Sugimoto, S, Sumiyoshi, T, Suzuki, Y, Takada, Y, Takasaki, F, Taketani, A, Tamura, N, Tanaka, R, Tobimatsu, K, Tsuboyama, T, Tsukamoto, A, Uehara, S, Unno, Y, Wakai, M, Wake, M, Watanabe, T, Watase, Y, Yamada, Y, Yamagata, T, Yamashita, T & Yoshida, H 1988, 'Study of multihadron events with isolated leptons in e+e- annihilation at 50≤ sles;55 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 207, no. 3, pp. 355-360. https://doi.org/10.1016/0370-2693(88)90590-4
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. ; Kubo, K. ; Kurashige, H. ; Maehata, K. ; Matsui, T. ; Minami, M. ; Miyake, K. ; Mori, S. ; Nagashima, Y. ; Nakamura, T. ; Nakano, I. ; Ogawa, K. ; Ohama, T. ; Ohsugi, T. ; Ono, A. ; Osabe, H. ; Saito, H. ; Sakae, H. ; Sakamoto, H. ; Sakamoto, S. ; Sakano, M. ; Sakuda, Makoto ; Sasao, Noboru ; Sato, M. ; Shioden, M. ; Shirai, J. ; Suekane, F. ; Sugimoto, S. ; Sumiyoshi, T. ; Suzuki, Y. ; Takada, Y. ; Takasaki, F. ; Taketani, A. ; Tamura, N. ; Tanaka, R. ; Tobimatsu, K. ; Tsuboyama, T. ; Tsukamoto, A. ; Uehara, S. ; Unno, Y. ; Wakai, M. ; Wake, M. ; Watanabe, T. ; Watase, Y. ; Yamada, Y. ; Yamagata, T. ; Yamashita, T. ; Yoshida, H. / Study of multihadron events with isolated leptons in e+e- annihilation at 50≤ sles;55 GeV. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1988 ; Vol. 207, No. 3. pp. 355-360.
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abstract = "We have studied inclusive lepton production in e+e- annihilations into multihadrons in the energy range between √s=50 and 55 GeV using the VENUS detector at TRISTAN, KEK. Though MARK-J and JADE groups at PETRA found an excess of isolated muon events at √s≥46.3 GeV, we have not observed such an anomaly in muon nor in electron production. The observed rates of isolated leptons are consistent with the production and decay of five known quarks.",
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TY - JOUR

T1 - Study of multihadron events with isolated leptons in e+e- annihilation at 50≤ sles;55 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 - Kubo, K.

AU - Kurashige, H.

AU - Maehata, K.

AU - Matsui, T.

AU - Minami, M.

AU - Miyake, K.

AU - Mori, S.

AU - Nagashima, Y.

AU - Nakamura, T.

AU - Nakano, I.

AU - Ogawa, K.

AU - Ohama, T.

AU - Ohsugi, T.

AU - Ono, A.

AU - Osabe, H.

AU - Saito, H.

AU - Sakae, H.

AU - Sakamoto, H.

AU - Sakamoto, S.

AU - Sakano, M.

AU - Sakuda, Makoto

AU - Sasao, Noboru

AU - Sato, M.

AU - Shioden, M.

AU - Shirai, J.

AU - Suekane, F.

AU - Sugimoto, S.

AU - Sumiyoshi, T.

AU - Suzuki, Y.

AU - Takada, Y.

AU - Takasaki, F.

AU - Taketani, A.

AU - Tamura, N.

AU - Tanaka, R.

AU - Tobimatsu, K.

AU - Tsuboyama, T.

AU - Tsukamoto, A.

AU - Uehara, S.

AU - Unno, Y.

AU - Wakai, M.

AU - Wake, M.

AU - Watanabe, T.

AU - Watase, Y.

AU - Yamada, Y.

AU - Yamagata, T.

AU - Yamashita, T.

AU - Yoshida, H.

PY - 1988/6/23

Y1 - 1988/6/23

N2 - We have studied inclusive lepton production in e+e- annihilations into multihadrons in the energy range between √s=50 and 55 GeV using the VENUS detector at TRISTAN, KEK. Though MARK-J and JADE groups at PETRA found an excess of isolated muon events at √s≥46.3 GeV, we have not observed such an anomaly in muon nor in electron production. The observed rates of isolated leptons are consistent with the production and decay of five known quarks.

AB - We have studied inclusive lepton production in e+e- annihilations into multihadrons in the energy range between √s=50 and 55 GeV using the VENUS detector at TRISTAN, KEK. Though MARK-J and JADE groups at PETRA found an excess of isolated muon events at √s≥46.3 GeV, we have not observed such an anomaly in muon nor in electron production. The observed rates of isolated leptons are consistent with the production and decay of five known quarks.

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U2 - 10.1016/0370-2693(88)90590-4

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VL - 207

SP - 355

EP - 360

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

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

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