Photoproduction Of An Isovector Rho-Pi State At 1775 Mev

G. Condo,T. Handler,J. Shimony,K. Abe,R. Armenteros,M. Austern, T. Bacon,J. Ballam,H. Bingham,J. Brau,K. Braune,D. Brick,W. Bugg,J. Butler,W. Cameron,H. Cohn,D. Colley,S. Dado,R. Diamond,P. Dingus,R. Erickson, A. Falicov,R. Field,L. Fortney,B. Franek,N. Fujiwara, T. Glanzman,I. Godfrey,J. Goldberg,A. Goshaw,G. Hall,E. Hancock,H. Hargis,E. Hart,M. Harwin,K. Hasegawa,R. Hulsizer,M. Jobes,T. Kafka,G. Kalmus,D. Kelsey,J. Kent,T. Kitagaki,A. Levy,P. Lucas,W. Mann,E. McCrory,R. Merenyi,R. Milburn,C. Milstene,K. Moffeit, A. Napier,S. Noguchi,V. O’Dell,S. O’Neale,A. Palounek,I. Pless,P. Rankin,W. Robertson,H. Sagawa,T. Sato, J. Schneps,S. Sewell,J. Shank,A. Shapiro, R. Sugahara,K. Takahashi,K. Tamai,S. Tanaka,S. Tether,D. Waide,W. Walker,S. White,M. Widgoff,C. Wilkins,S. Wolbers,C. Woods,A. Yamaguchi,R. Yamamoto,Y. Yoshimura,G. Yost,H. Yuta

PHYSICAL REVIEW D（1991）

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摘要

Evidence is presented for the charge-exchange photoproduction, in two distinct reactions, of an isovector rho-pi state of mass approximately 1775 MeV. Results of an analysis of the decay-angular distributions are also presented, from which it is concluded that J(P) = 1-, 2-, or 3+.

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关键词

mathematical model,tensors,pions,decay,spin,exchange interaction,angular momentum,hadrons,measuring instruments,mesons,nonmetals,interactions,mass spectra,mathematical models,radiation detectors,hydrogen,parity,bosons,elementary particles,spectra,distribution,elements

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