Measurement of beauty hadron pair production in 600 GeV/c π- emulsion interactions

K. Kodama, N. Ushida, A. Mokhtarani, 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, 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. Miyanashi, K. Nakamura, Y. Nakamura, S. Nakanishi, K. Niu, K. Niwa, M. Nomura, H. Tajima, S. Yoshida, M. Aryal, J. M. Dunlea, S. G. Frederiksen, S. Kuramata, B. G. Lundberg, G. A. Olevnik, 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. Kusumoto, 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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25 Citations (Scopus)


We report on the production characteristics and total cross section for 9 beauty hadron pairs produced by a 600 GeV/c π- beam, the first such information in this energy region. The events were detected in the hybrid emulsion spectrometer of Fermilab Experiment E653. The measured pair cross section for all χF, assuming linear A dependence, is 33±11 (stat.)±6(syst.) nb/nucleon. Fits of the inclusive single-hadron production distribution to the forms dσ dχF ∝ (1-|χF0|)n and dσ dpT2 ∝ exp(-bpt2) give n=5.0-2.1-1.7+2.7+1.7, χ0=0.06-0.07-0.03 +0.06+0.02, and b=0.13-0.04-0.02+0.05+0.02 (GeV/c-2. .The pairs tend to be produced back-to-back.

Original languageEnglish
Pages (from-to)359-367
Number of pages9
JournalPhysics Letters B
Issue number3-4
Publication statusPublished - 1993 Apr 15
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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