1st Observation Of Inclusive Psi Production In Gamma Decays
R. Fulton,P. Haas,M. Hempstead,T. Jensen,D.R. Johnson,H. Kagan,R. Kass,F. Morrow,J. Whitmore, P. Baringer,W.-Y. Chen,R.L. McIlwain,D.H. Miller,C.R. Ng,E.I. Shibata,W.-M. Yao,M.S. Alam,D. Chen,N. Katayama,I.J. Kim,W.C. Li,X.C. Lou,C.R. Sun,V. Tanikella, D. Bortoletto,M. Goldberg,N. Horwitz,P. Lubrano,M.D. Mestayer,G.C. Moneti,V. Sharma, I.P.J. Shipsey,T. Skwarnicki,S.E. Csorna,T. Letson,I.C. Brock,T. Ferguson,M. Artuso,C. Bebek,K. Berkelman,E. Blucher,J. Byrd,D.G. Cassel,E. Cheu,D.M. Coffman,G. Crawford,R. DeSalvo,J.W. DeWire,P.S. Drell,R. Ehrlich,R.S. Galik,B. Gittelman,S.W. Gray, A.M. Halling,D.L. Hartill,B.K. Heltsley,J. Kandaswamy,R. Kowalewski,D.L. Kreinick,Y. Kubota,J.D. Lewis,N.B. Mistry,J. Mueller,R. Namjoshi,S. Nandi,E. Nordberg,C. O'Grady,D. Perticone,D. Peterson,M. Pisharody,D. Riley,M. Sapper, A. Silverman,S. Stone,H. Worden,M. Worris,A.J. Sadoff, P. Avery,D. Besson, L. Garren,J. Yelton,T. Bowcock,K. Kinoshita,F.M. Pipkin,M. Procario,Richard Wilson,J. Wolinski,D. Xiao, A. Jawahery,C.H. Park,R. Poling PHYSICS LETTERS B(1989)
摘要
The branching ratio for inclusive ψ production in ψ(1S) decays is measured to be (0.11 ± 0.04 ± 0.02)%.
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