D*± inclusive production in two-photon process at √s = 58 GeV in TRISTAN

H. Ohyama, K. Abe, K. Amako, Y. Arai, Y. Asano, M. Chiba, Y. Chiba, M. Daigo, M. Fukawa, Y. Fukushima, J. Haba, H. Hamasaki, H. Hanai, Y. Hemmi, M. Higuchi, T. Hirose, Y. Homma, N. Ishihara, Y. Iwata, J. KanzakiR. Kikuchi, T. Kondo, T. T. Korhonen, H. Kurashige, E. K. Matsuda, T. Matsui, K. Miyake, S. Mori, Y. Nagashima, Y. Nakagawa, T. Nakamura, I. Nakano, S. Odaka, K. Ogawa, T. Ohama, T. Ohsugi, K. Okabe, A. Okamoto, A. Ono, J. Pennanen, H. Sakamoto, M. Sakuda, M. Sato, N. Sato, M. Shioden, J. Shirai, T. Sumiyoshi, Y. Takada, F. Takasaki, M. Takita, N. Tamura, D. Tatsumi, K. Tobimatsu, T. Tsuboyama, S. Uehara, Y. Unno, T. Watanabe, Y. Watase, F. Yabuki, Y. Yamada, T. Yamagata, Y. Yonezawa, H. Yoshida, K. Yusa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Using the VENUS detector at TRISTAN we have investigated the charm-quark production by detecting D*± mesons in the two-photon process of e+e- collisions. The study has confirmed that the charm-quark production rate is larger than that predicted from direct cc̄ production alone. The distribution of the transverse momentum of the D*± mesons and the forward energy flow associated with the D*± production suggest that the main part of the observed excess comes from the contribution of a resolved photon process.

Original languageEnglish
Pages (from-to)209-214
Number of pages6
JournalZeitschrift fur Physik C-Particles and Fields
Volume75
Issue number2
DOIs
Publication statusPublished - Jun 1997

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Ohyama, H., Abe, K., Amako, K., Arai, Y., Asano, Y., Chiba, M., Chiba, Y., Daigo, M., Fukawa, M., Fukushima, Y., Haba, J., Hamasaki, H., Hanai, H., Hemmi, Y., Higuchi, M., Hirose, T., Homma, Y., Ishihara, N., Iwata, Y., ... Yusa, K. (1997). D*± inclusive production in two-photon process at √s = 58 GeV in TRISTAN. Zeitschrift fur Physik C-Particles and Fields, 75(2), 209-214. https://doi.org/10.1007/s002880050463