Intermittency studies in pp collisions at {check mark}s = 630 GeV

C. Albajar, M. G. Albrow, O. C. Allkofer, B. Andrieu, K. Ankoviak, R. Apsimon, B. Aubert, C. Bacci, S. Bartha, G. Bauer, A. Bettini, A. Bezaguet, P. Biddulph, H. Bohn, A. Böhrer, R. Bonino, K. Bos, M. Botlo, D. Brockhausen, C. BuchananB. Buschbeck, G. Busetto, A. Caner, P. Casoli, H. Castilla-Valdez, F. Cavanna, P. Cennini, S. Centro, F. Ceradini, G. Ciapetti, S. Cittolin, E. Clayton, D. Cline, J. Colas, R. Conte, J. A. Coughlan, G. Cox, D. Dau, C. Daum, M. Della Negra, M. Demoulin, D. Denegri, H. Dibon, A. Diciaccio, F. J. Diez Hedo, L. Dobrzynski, J. Dorenbosch, J. D. Dowell, D. Drijard, K. Eggert

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Abstract

A significant intermittency signal is observed in 630 GeV pp collisions measured in the UA1 central detector. It occurs with similar magnitude in different variables: pseudorapidity, rapidity and azimuthal angle. The signal increases with decreasing charged particle multiplicity in the event. Its strength in a sample of low p tracks and its multiplicity dependence are not reproduced by commonly used Monte Carlo models of high energy interactions.

Original languageEnglish (US)
Pages (from-to)1-21
Number of pages21
JournalNuclear Physics, Section B
Volume345
Issue number1
DOIs
StatePublished - Nov 26 1990

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