Search For Lambda(B)-]-J/Psi-Lambda(0) In P(P)Over-Bar Collisions At Root-S = 1.8 Tev

F. Abe, D. Amidei,C. Anway-Wiese, G. Apollinari,M. Atac,P. Auchincloss,P. Azzi,A. R. Baden, N. Bacchetta,W. Badgett,M. W. Bailey,A. Bamberger,P. de Barbaro, A. Barbaro-Galtieri, V. E. Barnes,B. A. Barnett, G. Bauer,T. Baumann, F. Bedeschi,S. Behrends, S. Belforte, G. Bellettini, J. Bellinger,D. Benjamin,J. Benlloch,J. Bensinger, A. Beretvas,J. P. Berge,S. Bertolucci,K. Biery,S. Bhadra,M. Binkley, D. Bisello,R. Blair,C. Blocker,A. Bodek,V. Bolognesi,A. W. Booth,C. Boswell,G. Brandenburg,D. Brown,E. Buckley-Geer,H. S. Budd,G. Busetto,A. Byon-Wagner, K. L. Byrum,C. Campagnari, M. Campbell,A. Caner,R. Carey,W. Carithers, D. Carlsmith,J. T. Carroll, R. Cashmore,A. Castro,F. Cervelli,K. Chadwick,J. Chapman,G. Chiarelli,W. Chinowsky, S. Cihangir,A. G. Clark, M. Cobal,D. Connor, M. Contreras,J. Cooper,M. Cordelli,D. Crane,J. D. Cunningham,C. Day,F. DeJongh,S. Dell'Agnello,M. Dell'Orso,L. Demortier,B. Denby,P. F. Derwent,T. Devlin,D. DiBitonto,M. Dickson,R. B. Drucker, K. Einsweiler,J. E. Elias,R. Ely,S. Eno, S. Errede,A. Etchegoyen,B. Farhat,G. J. Feldman,B. Flaugher, G. W. Foster,M. Franklin,J. Freeman,H. Frisch,T. Fuess,Y. Fukui,A. F. Garfinkel,A. Gauthier,S. Geer,D. W. Gerdes,P. Giannetti, N. Giokaris,P. Giromini, L. Gladney,M. Gold,J. Gonzalez, K. Goulianos, H. Grassmann,G. M. Grieco,R. Grindley,C. Grosso-Pilcher, C. Haber, S. R. Hahn,R. Handler, K. Hara,B. Harral,R. M. Harris,S. A. Hauger, J. Hauser,C. Hawk,T. Hessing, R. Hollebeek,L. Holloway, S. Hong,P. Hu,B. Hubbard, B. T. Huffman, R. Hughes,P. Hurst, J. Huth,J. Hylen,M. Incagli,T. Ino,H. Iso,H. Jensen, C. P. Jessop,R. P. Johnson, U. Joshi,R. W. Kadel, T. Kamon,S. Kanda, D. A. Kardelis,I. Karliner,E. Kearns,L. Keeble,R. Kephart,P. Kesten,R. M. Keup,H. Keutelian,D. Kim, S. B. Kim, S. H. Kim,Y. K. Kim, L. Kirsch,K. Kondo, J. Konigsberg, K. Kordas,E. Kovacs,M. Krasberg,S. E. Kuhlmann,E. Kuns, A. T. Laasanen,S. Lammel,J. I. Lamoureux,S. Leone,J. D. Lewis, W. Li, P. Limon,M. Lindgren, T. M. Liss,N. Lockyer,M. Loreti,E. H. Low,D. Lucchesi,C. B. Luchini,P. Lukens,P. Maas, K. Maeshima,M. Mangano,J. P. Marriner,M. Mariotti, R. Markeloff,L. A. Markosky,R. Mattingly,P. McIntyre, A. Menzione,E. Meschi,T. Meyer,S. Mikamo, M. Miller,T. Mimashi,S. Miscetti,M. Mishina,S. Miyashita,Y. Morita, S. Moulding,J. Mueller, A. Mukherjee,T. Muller,L. F. Nakae, I. Nakano, C. Nelson,D. Neuberger, C. Newman-Holmes,J. S. T. Ng,M. Ninomiya, L. Nodulman,S. Ogawa, R. Paoletti,V. Papadimitriou,A. Para,E. Pare,S. Park,J. Patrick,G. Pauletta,L. Pescara,T. J. Phillips,F. Ptohos,R. Plunkett,L. Pondrom,J. Proudfoot,G. Punzi,D. Quarrie,K. Ragan,G. Redlinger,J. Rhoades,M. Roach,F. Rimondi, L. Ristori,W. J. Robertson, T. Rodrigo,T. Rohaly,A. Roodman,W. K. Sakumoto, A. Sansoni,R. D. Sard, A. Savoy-Navarro,V. Scarpine,P. Schlabach,E. E. Schmidt,O. Schneider,M. H. Schub, R. Schwitters, A. Scribano,S. Segler, Y. Seiya,G. Sganos, M. Shapiro,N. M. Shaw,M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo,J. Skarha,K. Sliwa,A. Spies,D. A. Smith,F. D. Snider,L. Song,T. Song, M. Spahn,P. Sphicas,R. St. Denis,L. Stanco,A. Stefanini,G. Sullivan, K. Sumorok,R. L. Swartz,M. Takano,K. Takikawa, S. Tarem,F. Tartarelli,S. Tether,D. Theriot,M. Timko,P. Tipton, S. Tkaczyk,A. Tollestrup,J. Tonnison, W. Trischuk,Y. Tsay,J. Tseng,N. Turini, F. Ukegawa,D. Underwood,S. Vejcik,R. G. Wagner,R. L. Wagner,N. Wainer,R. C. Walker,J. Walsh, G. Watts,T. Watts,R. Webb, C. Wendt,H. Wenzel,W. C. Wester,T. Westhusing,S. N. White,A. B. Wicklund, E. Wicklund,H. H. Williams,B. L. Winer,J. Wolinski,D. Wu,J. Wyss,A. Yagil,K. Yasuoka,Y. Ye,G. P. Yeh,C. Yi, J. Yoh,M. Yokoyama, J. C. Yun, A. Zanetti,F. Zetti,S. Zhang,W. Zhang,S. Zucchelli

PHYSICAL REVIEW D(1993)

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摘要
We have searched for the b-flavored baryon decay LAMBDA(b) --> J/psi LAMBDA0 in ppBAR collisions at square-root s = 1.8 TeV with the Collider Detector at Fermilab (CDF). In the J/psi LAMBDA0 invariant-mass distribution we observe a flat distribution and a small number of events, consistent with no signal. Using the b-quark cross section measured by the CDF we put an upper limit on the b --> LAMBDA(b) production fraction times the branching ratio F(LAMBDA(b))B(LAMBDA(b) --> J/psi LAMBDA0) of 0.50 X 10(-3) at 90% confidence level.
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