Measurement of the e+ e- → D (*)+ D(*)- cross sections

T. Uglov, K. Abe, K. Abe, T. Abe, H. Aihara, M. Akatsu, Y. Asano, T. Aso, V. Aulchenko, A. M. Bakich, Y. Ban, U. Bitenc, I. Bizjak, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, Y. Chao, B. G. Cheon, R. ChistovS. K. Choi, Y. Choi, A. Chuvikov, S. Cole, M. Danilov, A. Drutskoy, S. Eidelman, V. Eiges, Y. Enari, D. Epifanov, S. Fratina, N. Gabyshev, A. Garmash, T. Gershon, B. Golob, N. C. Hastings, H. Hayashii, M. Hazumi, T. Hokuue, Y. Hoshi, H. C. Huang, K. Inami, A. Ishikawa, H. Iwasaki, M. Iwasaki, Y. Iwasaki, J. H. Kang, J. S. Kang, P. Kapusta, N. Katayama, H. Kawai, T. Kawasaki, H. Kichimi, H. J. Kim, J. H. Kim, S. K. Kim, K. Kinoshita, P. Koppenburg, S. Korpar, P. Krokovny, S. Kumar, A. Kuzmin, Y. J. Kwon, J. S. Lange, G. Leder, S. H. Lee, T. Lesiak, J. Li, S. W. Lin, D. Liventsev, J. MacNaughton, G. Majumder, H. Matsumoto, T. Matsumoto, A. Matyja, W. Mitaroff, H. Miyake, H. Miyata, D. Mohapatra, T. Nagamine, Y. Nagasaka, T. Nakadaira, E. Nakano, M. Nakao, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, C. W. Park, H. Park, N. Parslow, L. S. Peak, L. E. Piilonen, Y. Sakai, O. Schneider, J. Schümann, C. Schwanda, S. Semenov, K. Senyo, R. Seuster, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, N. Soni, R. Stamen, S. Stanič, M. Starič, T. Sumiyoshi, S. Suzuki, O. Tajima, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, Y. Teramoto, T. Tomura, T. Tsuboyama, T. Tsukamoto, S. Uehara, Y. Unno, S. Uno, G. Varner, K. E. Varvell, C. C. Wang, C. H. Wang, L. Widhalm, B. D. Yabsley, Y. Yamada, A. Yamaguchi, Y. Yamashita, M. Yamauchi, H. Yang, J. Ying, Y. Yusa, C. C. Zhang, V. Zhilich, D. Žontar

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Abstract

We report first measurements of e+e- → D (*)+ D(*)- processes far above threshold. The cross sections for e+ e- → DT* + DT*- and e+ e- → D+ DT*- at √s ≃ 10.6 GeV/c2 are measured to be 0.55 ± 0.03 ± 0.05 and 0.62 ± 0.03 ± 0.06 pb, respectively. We set upper limits on the cross sections for e+e- → DT*+ DT*-, e+ e- → D L*+ DL*-, e+ e- → DL*+ DL* -, and e+ e- → D+ D -* processes. The analysis is based on 88.9 fb-1 of data collected by the Belle experiment at the KEKB e+e- asymmetric collider.

Original languageEnglish
Article number071101
Pages (from-to)071101-1-071101-6
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number7
DOIs
Publication statusPublished - 2004 Oct

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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