Charm meson production in 600 GeV/c π- emulsion interactions

K. Kodama, N. Ushida, A. Mokhtarami, V. S. Paolone, J. T. Volk, J. O. Wilcox, P. M. Yager, R. M. Edelstein, A. P. Freyberger, D. B. Gibaut, R. J. Lipton, W. R. Nichols, D. M. Potter, J. S. Russ, C. Zhang, Y. Zhang, H. I. Jang, J. Y. Kim, T. I. Kim, I. T. LimM. Y. Pac, B. R. Baller, R. J. Stefanski, K. Nakazawa, K. S. Chung, S. H. Chung, D. C. Kim, I. G. Park, M. S. Park, J. S. Song, C. S. Yoon, M. Chikawa, T. Abe, T. Fujii, G. Fujioka, K. Fujiwara, H. Fukushima, T. Hara, Y. Takahashi, K. Taruma, Y. Tsuzuki, C. Yokoyama, S. D. Chang, B. G. Cheon, J. H. Cho, J. S. Kang, C. O. Kim, K. Y. Kim, T. Y. Kim, J. C. Lee, S. B. Lee, G. Y. Lim, S. W. Nam, T. S. Shin, K. S. Sim, J. K. Woo, Y. Isokane, Y. Tsuneoka, S. Aoki, A. Gauthier, K. Hoshino, H. Kitamura, M. Kobayashi, M. Miyanishi, K. Nakamura, M. Nakamura, Y. Nakamura, S. Nakanishi, K. Niu, K. Niwa, H. Tajima, J. M. Dunlea, S. G. Frederiksen, S. Kuramata, B. G. Lundberg, G. A. Oleynik, N. W. Reay, K. Reibel, R. A. Sidwell, N. R. Stanton, K. Moriyama, H. Shibata, G. R. Kalbfleisch, P. Skubic, J. M. Snow, S. E. Willis, O. Kasumoto, K. Nakamura, T. Okusawa, M. Teranaka, T. Tominaga, T. Yoshida, H. Yuuki, H. Okabe, J. Yokota, M. Adachi, M. Kazuno, E. Niu, H. Shibuya, S. Watanabe, I. Ohtsuka, Y. Sato, I. Tezuka, S. Y. Bahk, S. K. Kim

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28 Citations (Scopus)

Abstract

We present total and differential cross sections for charm mesons produced in 600 GeV/c π- emulsion interactions. Fits to d2σ/dxF dpT2∞ (1-|xF|)nexp (-bpT2) for 676 electronically reconstructed D mesons with xF>0 give n=4.25±0.24 (stat.)±0.23 (syst.) and b=0.76±0.03±0.03 (GeV/c)-2. The total inclusive D+ and D0 cross sections are σ(π-N→D±; xF>0) = 8.66±0.46±1.96μb nucleon and σ(π-N→D0 D0; xF>0)=22.05±1.37±4.82μb nucleonk, where a linear dependence on the mean atomic weight of the target is assumed. These results are compared to next-to-leading order QCD predictions.

Original languageEnglish
Pages (from-to)461-470
Number of pages10
JournalPhysics Letters B
Volume284
Issue number3-4
DOIs
Publication statusPublished - 1992 Jun 25
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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