Measurement of bb¯ rapidity correlations in pp¯ collisions at s=1.8 TeV

F. Abe,H. Akimoto,A. Akopian,M. Albrow,A. Amadon,S. Amendolia, D. Amidei, J. Antos,S. Aota, G. Apollinari,T. Arisawa,T. Asakawa,W. Ashmanskas,M. Atac,P. Azzi-Bacchetta,N. Bacchetta,S. Bagdasarov,M. Bailey,P. de Barbaro, A. Barbaro-Galtieri,V. Barnes, B. Barnett,M. Barone, G. Bauer,T. Baumann, F. Bedeschi,S. Behrends, S. Belforte, G. Bellettini, J. Bellinger,D. Benjamin,J. Bensinger, A. Beretvas,J. Berge, J. Berryhill,S. Bertolucci,S. Bettelli,B. Bevensee,A. Bhatti,K. Biery,C. Bigongiari,M. Binkley, D. Bisello,R. Blair,C. Blocker,K. Bloom,S. Blusk,A. Bodek,W. Bokhari, G. Bolla,Y. Bonushkin,D. Bortoletto, J. Boudreau,L. Breccia,C. Bromberg,N. Bruner,R. Brunetti,E. Buckley-Geer,H. Budd, K. Burkett,G. Busetto,A. Byon-Wagner,K. Byrum,M. Campbell,A. Caner,W. Carithers, D. Carlsmith,J. Cassada, A. Castro, D. Cauz,A. Cerri,P. Chang,H. Chao,J. Chapman,M. Cheng, M. Chertok,G. Chiarelli,C. Chiou, F. Chlebana,L. Christofek,R. Cropp,M. Chu, S. Cihangir,A. Clark,M. Cobal,E. Cocca, M. Contreras, J. Conway,J. Cooper,M. Cordelli,D. Costanzo,C. Couyoumtzelis, D. Cronin-Hennessy, R. Culbertson,D. Dagenhart,T. Daniels,F. DeJongh,S. Dell’Agnello,M. Dell’Orso,R. Demina, L. Demortier, M. Deninno,P. Derwent,T. Devlin, J. Dittmann,S. Donati,J. Done,T. Dorigo,N. Eddy, K. Einsweiler,J. Elias,R. Ely,E. Engels, W. Erdmann, D. Errede, S. Errede,Q. Fan, R. Feild,Z. Feng, C. Ferretti,I. Fiori,B. Flaugher,G. Foster,M. Franklin, J. Freeman,J. Friedman,Y. Fukui, S. Gadomski,S. Galeotti, M. Gallinaro,O. Ganel,M. Garcia-Sciveres, A. Garfinkel, C. Gay,S. Geer, D. Gerdes, P. Giannetti, N. Giokaris,P. Giromini,G. Giusti,M. Gold, A. Gordon,A. Goshaw, Y. Gotra, K. Goulianos, H. Grassmann,C. Green,L. Groer,C. Grosso-Pilcher,G. Guillian,J. Guimaraes da Costa,R. Guo, C. Haber,E. Hafen,S. Hahn,R. Hamilton,T. Handa,R. Handler,W. Hao,F. Happacher, K. Hara,A. Hardman,R. Harris,F. Hartmann,J. Hauser,E. Hayashi,J. Heinrich,A. Heiss, B. Hinrichsen,K. Hoffman, C. Holck, R. Hollebeek,L. Holloway,Z. Huang,B. Huffman, R. Hughes,J. Huston,J. Huth,H. Ikeda,M. Incagli, J. Incandela,G. Introzzi,J. Iwai,Y. Iwata, E. James,H. Jensen, U. Joshi, E. Kajfasz,H. Kambara, T. Kamon,T. Kaneko,K. Karr,H. Kasha,Y. Kato,T. Keaffaber,K. Kelley,R. Kennedy,R. Kephart,D. Kestenbaum,D. Khazins,T. Kikuchi, B. Kim,H. Kim, S. Kim,Y. Kim, L. Kirsch,S. Klimenko,D. Knoblauch,P. Koehn,A. Köngeter,K. Kondo, J. Konigsberg, K. Kordas, A. Korytov,E. Kovacs,W. Kowald, J. Kroll, M. Kruse, S. Kuhlmann,E. Kuns,K. Kurino,T. Kuwabara,A. Laasanen,S. Lami,S. Lammel,J. Lamoureux,M. Lancaster,M. Lanzoni,G. Latino, T. LeCompte,S. Leone, J. Lewis,M. Lindgren, T. Liss, J. Liu,Y. Liu,N. Lockyer,O. Long,M. Loreti,D. Lucchesi,P. Lukens,S. Lusin, J. Lys, K. Maeshima, P. Maksimovic,M. Mangano,M. Mariotti,J. Marriner,G. Martignon, A. Martin,J. Matthews, P. Mazzanti, K. McFarland,P. McIntyre,P. Melese,M. Menguzzato, A. Menzione,E. Meschi,S. Metzler,C. Miao, T. Miao,G. Michail,R. Miller,H. Minato,S. Miscetti,M. Mishina,S. Miyashita,N. Moggi,E. Moore,Y. Morita, A. Mukherjee,T. Muller,A. Munar,P. Murat,S. Murgia,M. Musy,H. Nakada, T. Nakaya, I. Nakano, C. Nelson,D. Neuberger, C. Newman-Holmes,C.-Y. Ngan, L. Nodulman,A. Nomerotski,S. Oh,T. Ohmoto, T. Ohsugi,R. Oishi,M. Okabe,T. Okusawa, J. Olsen,C. Pagliarone, R. Paoletti,V. Papadimitriou,S. Pappas, N. Parashar,A. Parri,J. Patrick, G. Pauletta, M. Paulini,A. Perazzo,L. Pescara,M. Peters,T. Phillips,G. Piacentino,M. Pillai,K. Pitts,R. Plunkett,A. Pompos,L. Pondrom,J. Proudfoot,F. Ptohos,G. Punzi,K. Ragan,D. Reher,M. Reischl,A. Ribon,F. Rimondi, L. Ristori,W. Robertson,A. Robinson, T. Rodrigo, S. Rolli,L. Rosenson,R. Roser,T. Saab, W. Sakumoto, D. Saltzberg, A. Sansoni,L. Santi,H. Sato,P. Schlabach,E. Schmidt,M. Schmidt,A. Scott, A. Scribano,S. Segler, S. Seidel, Y. Seiya,F. Semeria, T. Shah, M. Shapiro, N. Shaw,P. Shepard,T. Shibayama, M. Shimojima, M. Shochet, J. Siegrist,A. Sill,P. Sinervo,P. Singh, K. Sliwa,C. Smith,F. Snider, J. Spalding, T. Speer,P. Sphicas, F. Spinella, M. Spiropulu,L. Spiegel,L. Stanco, J. Steele,A. Stefanini,R. Ströhmer,J. Strologas,F. Strumia, D. Stuart, K. Sumorok,J. Suzuki,T. Suzuki,T. Takahashi,T. Takano, R. Takashima,K. Takikawa,M. Tanaka, B. Tannenbaum,F. Tartarelli,W. Taylor,M. Tecchio,P. Teng,Y. Teramoto, K. Terashi,S. Tether,D. Theriot, T. Thomas,R. Thurman-Keup,M. Timko,P. Tipton,A. Titov, S. Tkaczyk, D. Toback,K. Tollefson,A. Tollestrup,H. Toyoda, W. Trischuk,J. de Troconiz,S. Truitt,J. Tseng,N. Turini,T. Uchida, F. Ukegawa,J. Valls,S. van den Brink,S. Vejcik,G. Velev, I. Volobouev,R. Vidal,R. Vilar,D. Vucinic,R. Wagner,J. Wahl,N. Wallace,A. Walsh, C. Wang,M. Wang,A. Warburton,T. Watanabe,T. Watts,R. Webb,C. Wei,H. Wenzel,W. Wester,A. Wicklund, E. Wicklund,R. Wilkinson,H. Williams,P. Wilson,B. Winer, D. Winn,D. Wolinski,J. Wolinski,S. Worm,X. Wu,J. Wyss, A. Yagil, W. Yao,K. Yasuoka,G. Yeh,P. Yeh, J. Yoh,C. Yosef,T. Yoshida, I. Yu, A. Zanetti,F. Zetti,S. Zucchelli

PHYSICAL REVIEW D（2000）

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摘要

We report the first direct measurement of b(b) over bar rapidity correlations in p(p) over bar collisions at root s=1.8 TeV. We select events with a high transverse momentum muon accompanied by a jet, and a second jet associated with a decay vertex displaced from the pp interaction vertex. Two independent samples are obtained corresponding to events with a forward (2.0<\eta\<2.6) or central (\eta\<0.6) muon. We measure the ratio of forward to central production to be 0.361 +/- 0.033( stat)(-0.031)(+0/015)(syst), in good agreement with the next-to-leading order QCD prediction 0.338(-0.097)(+0.014).

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