Measurement of open charm production in two-photon processes with detection of electron-inclusive events

S. Uehara, 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. Hosoda, 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, K. Ogawa, T. Ohama, T. Ohsugi, H. 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, Y. Unno, M. Utsumi, Y. Watase, F. Yabuki, Y. Yamada, T. Yamagata, Y. Yamamoto, Y. Yonezawa, H. Yoshida

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Abstract

Experimental studies of open charm production in two-photon processes have been performed. In the measurement, charmed hadrons were identified by electrons from their semi-leptonic decays. The result was compared with calculations based on the direct process and photon-gluon fusion process by resolved photons. We found that the effect of the gluon component in a photon is substantial in the observed events.

Original languageEnglish
Pages (from-to)213-218
Number of pages6
JournalZeitschrift für Physik C Particles and Fields
Volume63
Issue number2
DOIs
Publication statusPublished - Jun 1 1994
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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