/ Experiment-HEP hep-ex/9812022


A Study of the centrally produced baryon - anti-baryon systems in p p interactions at 450-GeV/c


Barberis, D. ; Beusch, W. ; Binon, F.G. ; Blick, A.M. ; Close, F.E. ; Danielsen, K.M. ; Dolgopolov, A.V. ; Donskov, S.V. ; Earl, B.C. ; Evans, D. ; French, B.R. ; Hino, T. ; Inaba, S. ; Inyakin, A.V. ; Ishida, T. ; Jacholkowski, A. ; Jacobsen, T. ; Jones, G. ; Khaustov, G.V. ; Kinashi, T. ; Kinson, J.B. ; Kirk, A. ; Klempt, W. ; Kolosov, V. ; Kondashov, A.A. ; Lednev, A.A. ; Lenti, V. ; Maljukov, S. ; Martinengo, P. ; Minashvili, I. ; Nakagawa, T. ; Norman, K.L. ; Peigneux, J.P. ; Polovnikov, S.A. ; Polyakov, V.A. ; Romanovsky, V. ; Rotscheidt, H. ; Rumyantsev, V. ; Russakovich, N. ; Samoylenko, V.D. ; Semenov, A. ; Sene, M. ; Sene, R. ; Shagin, P.M. ; Shimizu, H. ; Singovsky, A.V. ; Sobol, A. ; Solovjev, A. ; Stassinaki, M. ; Stroot, J.P. ; Sugonyaev, V.P. ; Takamatsu, K. ; Tchlatchidze, G. ; Tsuru, T. ; Venables, M. ; Villalobos Baillie, O. ; Votruba, M.F. ; Yasu, Y.

Published in: Phys.Lett.
Year: 1999
Vol.: B446
Page No: 342-348
Pages: 14

Abstract: A study of the centrally produced ppbar, ppbarpi, ppbarpipi and lambda lambda channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. No significant new structures are observed in the mass spectra, however, important new information on the production dynamics is obtained. A systematic study of the production properties of these systems has been performed and it is found that these systems are not produced dominantly by double Pomeron exchange.

Web-Page: http://www.adsabs.harvard.edu/abs/1999PhLB..446..342W; http://alice.cern.ch/format/showfull?sysnb=0300167; http://dx.doi.org/10.1016/S0370-2693(98)01565-2; http://www.sciencedirect.com/science?_ob=GatewayURL&_origin=SPIRES&_method=citationSearch&_volkey=03702693%23446%23342%23&_version=1&md5=074e8cc91311b6711b1007356c2ea167

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