A study of the D* content of jets at the CERN pp collider

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

We have measured the rate of D meson production inside the jets produced in pp collisions at √s = 630 GeV. For jets in the transverse energy range 15<ET<60 GeV we find a production rate of 0.10±0.04±0.03 D per jet, which is in good agreement with perturbative QCD calculations. In addition, we find that the D fragmentation distribution is strongly peaked towards low z consistent with gluon splitting as the dominant production mechanism.

Original languageEnglish (US)
Pages (from-to)566-572
Number of pages7
JournalPhysics Letters B
Volume244
Issue number3-4
DOIs
StatePublished - Jul 26 1990

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