A study of single photon production in e+ e- annihilation at s = 58 GeV

N. Hosoda, 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, Y. Hoshi, N. IshiharaY. Iwata, N. Kanda, N. Kanematsu, J. Kanzaki, R. Kikuchi, T. Kondo, T. T. Korhonen, A. 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, T. Ohama, T. Ohsugi, A. Ohyama, A. Okamoto, A. Ono, T. Oyama, H. Sakamoto, M. Sakuda, M. Sato, N. Sato, M. Shioden, J. Shirai, 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, Y. Yamamoto, T. Yamagata, Y. Yonezawa, H. Yoshida

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2 Citations (Scopus)


We have studied single photon production in e+ e- annihilation based on a data sample corresponding to an integrated luminosity of 164.1 pb-1 at s=58 GeV. The single photon yield is consistent with the prediction of the standard model with three light neutrino species. No anomalous signal has been observed. From this result left- and right-handed scalar electrons in the mass degenerate case are excluded at 90% CL below 44.4 GeV/c2 for the massless photino.

Original languageEnglish
Pages (from-to)211-216
Number of pages6
JournalPhysics Letters B
Issue number1-2
Publication statusPublished - Jun 30 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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