Measurement of the Lifetimes of Charged and Neutral Beauty Hadrons

Fermilab E Collaboration 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. Kim,M. 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. Yokohama,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. Kabayashi,M. Miyanishi, K. Nakamura,M. Nakamura,Y. Nakamura,S. Nakanishi,K. Niu, K. Niwa,M. Nomura,H. Tajima,S. Yoshida,M. Aryal,J. M. Dunlea,S. G. Freederiksen,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. 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

PROGRESS OF THEORETICAL PHYSICS（1993）

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摘要

We report on the characteristics of 9 bbBAR pair events produced by a 600 GeV/c pi- beam and detected in the hybrid emulsion spectrometer of Fermilab experiment E653. The measured lifetimes for samples of 12 neutral and 6 charged beauty hadrons are tau(b0)=0.81+0.34+0.08/-0.22-0.02 ps, and tau(b+/-)=3.84+2.73+0.80/-1.36-0.16 ps.

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