Search for a light scalar top squark in e+e- reactions at Ec.m.=58 GeV

J. Shirai, T. Ohmoto, K. Abe, K. Amako, Y. Arai, T. Arima, Y. Asano, M. Chiba, Y. Chiba, M. Daigo, M. Fukawa, Y. Fukushima, J. Haba, H. Hanai, Y. Hemmi, M. Higuchi, F. Hinode, T. Hirose, Y. Homma, N. HosodaN. Ishihara, Y. Iwata, N. Kanda, N. Kanematsu, J. Kanzaki, R. Kikuchi, T. Kondo, T. T. Korhonen, A. E. Krüger, H. Kurashige, J. MacNaughton, E. K. Matsuda, T. Matsui, M. Miura, K. Miyake, S. Mori, Y. Nagashima, Y. Nakagawa, T. Nakamura, I. Nakano, S. Odaka, K. Ogawa, T. Ohama, T. Ohsugi, H. Ohyama, A. Okamoto, A. Ono, T. Oyama, H. Sakamoto, M. Sakuda, M. Sato, N. Sato, M. Shioden, M. Shirakata, T. Sumiyoshi, A. Suzuki, Y. Takada, H. Takaki, F. Takasaki, M. Takita, N. Tamura, K. Tobimatsu, T. Tsuboyama, S. Uehara, Y. Unno, M. Utsumi, Y. Watase, F. Yabuki, Y. Yamada, T. Yamagata, Y. Yamamoto, Y. Yonezawa, H. Yoshida

研究成果: Article

8 引用 (Scopus)

抜粋

A search has been made for a light scalar top squark (t1), which has remained unexcluded by previous e+e- experiments up to the Z0 pole. By assuming the decay t1→c+Z1 (lightest neutralino), e+e- annihilation data at Ec.m.=58 GeV have been analyzed. The number of events comprising large-acoplanarity particle groups is consistent with that expected from known processes. We excluded t1 in the mass range 7.6-28.0 GeV/c2 and Z1 with a mass very close to the kinematical limit at the 95% C.L.

元の言語English
ページ(範囲)3313-3316
ページ数4
ジャーナルPhysical review letters
72
発行部数21
DOI
出版物ステータスPublished - 1994 1 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Shirai, J., Ohmoto, T., Abe, K., Amako, K., Arai, Y., Arima, T., Asano, Y., Chiba, M., Chiba, Y., Daigo, M., Fukawa, M., Fukushima, Y., Haba, J., Hanai, H., Hemmi, Y., Higuchi, M., Hinode, F., Hirose, T., Homma, Y., ... Yoshida, H. (1994). Search for a light scalar top squark in e+e- reactions at Ec.m.=58 GeV. Physical review letters, 72(21), 3313-3316. https://doi.org/10.1103/PhysRevLett.72.3313