Measurement of the beauty production cross section in 350 GeV / c π-Cu interactions

M. Adamovich,M. Adinolfi,Y. Alexandrov,C. Angelini,F. Antinori, C. Bacci, D. Barberis,D. Barney,J. Batten,W. Beusch,C. Bruschini, R. Cardarelli,A. Cardini,V. Casanova, F. Ceradini,C. Cianfarani, G. Ciapetti,M. Dameri,G. Darbo,A. De Santo,A. Di Ciaccio,A. Duane,J.P. Dufey, P. Farthouat,V. Flaminio,A. Forino,B.R. French,A. Frenkel,C. Gemme,R. Gessaroli,K. Harrison,N. Hummadi,R. Hurst,A. Kirk,F. Lacava,J.C. Lassalle,C. Lazzeroni,L. Malferrari,S. Maljukov,G. Martellotti,P. Martinengo,P. Mazzanti,J.G. McEwen,I. Minashvili,P. Musico,P. Nechaeva, A. Nisati, D. Orestano,B. Osculati,M. Palutan,M. Passaseo,G. Penso, E. Petrolo,L. Pontecorvo,A. Quareni,H. Rotscheidt,V. Ryzhov,C. Roda, L. Rossi,N. Russakovich,C. Salvo, R. Santonico,G. Schuler,A. Semenov,A. Solovjev,M. Torelli,S. Veneziano,M. Verzocchi,D. Websdale,M. Weymann, L. Zanello,M. Zavertyaev

Nuclear Physics B（1998）

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摘要

Using a sample of 108 triggered events, produced in π−−Cu interactions at 350 GeV/c, we have identified 26 beauty events. The estimated background in this sample is 0.6 ± 0.6 events. From these data, assuming a linear A-dependence, we measure a beauty production cross section integrated over all χF of 5.7−1.1+1.3 (stat.)−0.5+0.6 (syst.) nb/N.

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13.85.Lg,14.65.Fy

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