Charged particle multiplicities at the CERN SPS collider

Clicks: 132
ID: 269865
1981
First results from UA5 on charged particle multiplicities from pp interactions at √s = 540 GeV are presented. A value of 27.4 ± 2.0 is obtained for the mean charged multiplicity 〈nch〉 of produced hadrons. This excludes an s14 behaviour of 〈nch〉 in going from ISR to Collider energies, but is not in disagreement with an extrapolation using a quadratic fit in ln s to previous lower energy data up to ISR energies.
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Authors K. Alpgård,R.E. Ansorge,B. Åsman,S. Berglund,K. Berkelman,D. Bertrand,K. Böckmann,Christopher Booth,C. Buffam,L. Burow,P. Carlson,J.R. Carter,J.-L. Chevalley,B. Eckart,G. Ekspong,J.-P. Fabre,K.A. French,J. Gauden,M. Gijsen,K. von Holt,R. Hospes,D. Johnson,K. Jon-And,Th. Kokott,R. Mackenzie,M.N. Maggs,R. Meinke,Th. Müller,H. Mulkens,D.J. Munday,A. Odian,M. Rosenberg,J.G. Rushbrooke,H. Saarikko,F. Triantis,Ch. Walck,C.P. Ward,D.R. Ward,G. Weber,A.R. Weidberg,T.O. White,G. Wilquet,N. Yamdagni;K. Alpgård;R.E. Ansorge;B. Åsman;S. Berglund;K. Berkelman;D. Bertrand;K. Böckmann;Christopher Booth;C. Buffam;L. Burow;P. Carlson;J.R. Carter;J.-L. Chevalley;B. Eckart;G. Ekspong;J.-P. Fabre;K.A. French;J. Gauden;M. Gijsen;K. von Holt;R. Hospes;D. Johnson;K. Jon-And;Th. Kokott;R. Mackenzie;M.N. Maggs;R. Meinke;Th. Müller;H. Mulkens;D.J. Munday;A. Odian;M. Rosenberg;J.G. Rushbrooke;H. Saarikko;F. Triantis;Ch. Walck;C.P. Ward;D.R. Ward;G. Weber;A.R. Weidberg;T.O. White;G. Wilquet;N. Yamdagni;
Journal physics letters b
Year 1981
DOI 10.1016/0370-2693(81)90838-8
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