THE DOUBLE ASSOCIATED PRODUCTION OF CHARMED PARTICLES BY THE INTERACTION OF 350 GEV/C PI-MESONS WITH EMULSION NUCLEI

S. Aoki,R. Arnold,G. Baroni,M. Barth,J.H. Bartley,G. Bertrand-Coremans,V. Bisi,A. C. Breslin,G. Carboni,E. Chesi,K. Chiba,M. Coupland,G. Crosetti,D. H. Davis,S. DellUomo,S. Di Liberto,W. Donnelly,M. J. Esten,D Gamba,C. Gerke,P. Giubellino,M. Hazama,F F Heymann,K. Hoshino,D.C. Imrie,Y. Isokane,M. Kazuno,M. Kobayashi,K. Kodama,G.J. Lush,Y. Maeda,A. Manfredini,A. Marzari Chiesa,M. A. Mazzoni,F. Meddi,F. Minakawa,M. Miyanishi,A. Montwill,M.T. Muciaccia,P. Musset,M. Nakamura,K. Nakazawa,S. Natali,K. Niu,K. Niwa,S. Nuzzo,M. Ohashi,F. Piuz,G. Poulard,L. Ramello,L. Riccati,G. Romano,R. Roosen,G. Rosa,F. Ruggieri,Y. Sato,H. Sasaki,C. Sgarbi,H. Shibuya,S. Simone,H. Sletten,Hiroyasu Tajima,S. Tasaka,I. Tezuka,Y. Tomita,D. N. Tovee,P.T. Trent,Y. Tsuneoka,N. Ushida,O. Yamakawa,Y. Yanagisawa

THE DOUBLE ASSOCIATED PRODUCTION OF CHARMED PARTICLES BY THE INTERACTION OF 350 GEV/C PI-MESONS WITH EMULSION NUCLEI

1987

Abstract Evidence is reported for the simultaneous production of four charmed particles in interactions induced by 350 GeV/ c π − mesons in stacks of nuclear emulsions. The events were found during a search for beauty particles among a sample of about 200 interactions with candidates for charmed particles. The events selected required the presence of at least one muon with a high component of momentum transverse to the beam direction.

Keywords:

Muon
Emulsion
Meson
Pi
Particle physics
Physics
Momentum
Nuclear physics
beam direction
Transverse plane

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