Measurement Of The Lambda(B)(0) Lifetime Using Lambda(B)(0)->Lambda(C)(+)L(-)(Nu)Over-Bar
F. Abe, H. Akimoto, A. Akopian,M. Albrow,S. Amendolia, D. Amidei, J. Antos,C. Anway-Wiese,S. Aota, G. Apollinari,T. Asakawa,W. Ashmanskas, M. Atac, F. Azfar,P. Azzi-Bacchetta, N. Bacchetta,W. Badgett,S. Bagdasarov,M. Bailey, J. Bao,P. de Barbaro, A. Barbaro-Galtieri,V. Barnes, B. Barnett, E. Barzi,G. Bauer,T. Baumann, F. Bedeschi,S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin,J. Benlloch,J. Bensinger,D. Benton, A. Beretvas,J. Berge, J. Berryhill,S. Bertolucci, A. Bhatti,K. Biery, M. Binkley, D. Bisello,R. Blair,C. Blocker,A. Bodek,W. Bokhari,V. Bolognesi, D. Bortoletto, J. Boudreau,L. Breccia,C. Bromberg,N. Bruner,E. Buckley-Geer,H. Budd, K. Burkett,G. Busetto,A. Byon-Wagner,K. Byrum,J. Cammerata,C. Campagnari, M. Campbell,A. Caner,W. Carithers, D. Carlsmith, A. Castro, D. Cauz,Y. Cen,F. Cervelli,P. Chang,H. Chao,J. Chapman,M.-T. Cheng,G. Chiarelli,T. Chikamatsu,C. Chiou,L. Christofek, S. Cihangir,A. Clark,M. Cobal, M. Contreras, J. Conway,J. Cooper,M. Cordelli,C. Couyoumtzelis,D. Crane, D. Cronin-Hennessy, R. Culbertson,J. Cunningham,T. Daniels,F. DeJongh,S. Delchamps,S. Dell'Agnello,M. Dell'Orso,R. Demina,L. Demortier,B. Denby, M. Deninno,P. Derwent,T. Devlin, J. Dittmann, S. Donati,J. Done, T. Dorigo, A. Dunn,N. Eddy, K. Einsweiler,J. Elias,R. Ely,E. Engels, Jr., D. Errede, S. Errede,Q. Fan,I. Fiori,B. Flaugher,G. Foster, M. Franklin,M. Frautschi, J. Freeman,J. Friedman,T. Fuess,Y. Fukui,S. Funaki,G. Gagliardi,S. Galeotti,M. Gallinaro, M. Garcia-Sciveres, A. Garfinkel, C. Gay,S. Geer, D. Gerdes,P. Giannetti, N. Giokaris,P. Giromini, L. Gladney, D. Glenzinski,M. Gold,J. Gonzalez, A. Gordon,A. Goshaw, K. Goulianos, H. Grassmann,L. Groer,C. Grosso-Pilcher,G. Guillian,R. Guo, C. Haber,E. Hafen,S. Hahn,R. Hamilton,R. Handler,R. Hans, K. Hara,A. Hardman,B. Harral,R. Harris,S. Hauger, J. Hauser,C. Hawk,E. Hayashi,J. Heinrich,K. Hoffman, M. Hohlmann, C. Holck, R. Hollebeek,L. Holloway,A. Hölscher,S. Hong,G. Houk,P. Hu,B. Huffman, R. Hughes, J. Huston, J. Huth,J. Hylen,H. Ikeda,M. Incagli, J. Incandela,G. Introzzi,J. Iwai,Y. Iwata,H. Jensen, U. Joshi,R. Kadel,E. Kajfasz,H. Kambara, T. Kamon,T. Kaneko,K. Karr,H. Kasha,Y. Kato,T. Keaffaber,L. Keeble,K. Kelley,R. Kennedy,R. Kephart,P. Kesten,D. Kestenbaum, R. Keup,H. Keutelian,F. Keyvan,B. Kharadia, B. Kim,D. Kim,H. Kim, S. Kim,Y. Kim, L. Kirsch,P. Koehn,K. Kondo,J. Konigsberg,S. Kopp,K. Kordas,W. Koska,E. Kovacs,W. Kowald,M. Krasberg, J. Kroll, M. Kruse,T. Kuwabara,S. Kuhlmann,E. Kuns,A. Laasanen,N. Labanca,S. Lammel,J. Lamoureux, T. LeCompte,S. Leone, J. Lewis, P. Limon,M. Lindgren,T. Liss,N. Lockyer,O. Long,C. Loomis,M. Loreti,J. Lu,D. Lucchesi,P. Lukens,S. Lusin, J. Lys, K. Maeshima,A. Maghakian, P. Maksimovic,M. Mangano, J. Mansour,M. Mariotti,J. Marriner, A. Martin,J. Matthews,R. Mattingly,P. McIntyre,P. Melese, A. Menzione,E. Meschi,S. Metzler,C. Miao, T. Miao,G. Michail,R. Miller,H. Minato,S. Miscetti,M. Mishina,H. Mitsushio,T. Miyamoto,S. Miyashita,N. Moggi,Y. Morita,J. Mueller, A. Mukherjee, T. Muller,P. Murat,H. Nakada, I. Nakano, C. Nelson,D. Neuberger, C. Newman-Holmes,M. Ninomiya,L. Nodulman,S. Oh,K. Ohl,T. Ohmoto, T. Ohsugi,R. Oishi,M. Okabe,T. Okusawa,R. Oliveira, J. Olsen,C. Pagliarone, R. Paoletti,V. Papadimitriou,S. Pappas,S. Park,A. Parri,J. Patrick, G. Pauletta,M. Paulini,A. Perazzo,L. Pescara,M. Peters,T. Phillips,G. Piacentino,M. Pillai,K. Pitts,R. Plunkett,L. Pondrom,J. Proudfoot,F. Ptohos,G. Punzi,K. Ragan,A. Ribon,F. Rimondi, L. Ristori,W. Robertson, T. Rodrigo,S. Rolli,J. Romano,L. Rosenson, R. Roser, W. Sakumoto, D. Saltzberg, A. Sansoni,L. Santi,H. Sato,V. Scarpine,P. Schlabach,E. Schmidt,M. Schmidt, A. Scribano,S. Segler, S. Seidel, Y. Seiya,G. Sganos, M. Shapiro,N. Shaw,Q. Shen,P. Shepard, M. Shimojima, M. Shochet, J. Siegrist,A. Sill, P. Sinervo, P. Singh,J. Skarha,K. Sliwa,F. Snider,T. Song, J. Spalding, T. Speer,P. Sphicas, F. Spinella, M. Spiropulu,L. Spiegel,L. Stanco, J. Steele,A. Stefanini,K. Strahl, J. Strait,R. Ströhmer, D. Stuart,G. Sullivan,A. Soumarokov, K. Sumorok,J. Suzuki,T. Takada,T. Takahashi,T. Takano,K. Takikawa,N. Tamura,F. Tartarelli,W. Taylor,P. Teng,Y. Teramoto,S. Tether,D. Theriot, T. Thomas,R. Thun,M. Timko,P. Tipton,A. Titov, S. Tkaczyk,D. Toback, K. Tollefson,A. Tollestrup,J. Tonnison,J. de Troconiz,S. Truitt,J. Tseng,N. Turini,T. Uchida, N. Uemura, F. Ukegawa,G. Unal,S. van den Brink,S. Vejcik III,G. Velev,R. Vidal,M. Vondracek, D. Vucinic,R. Wagner,J. Wahl, C. Wang,G. Wang, J. Wang,M. Wang,Q. Wang,A. Warburton,T. Watts,R. Webb,C. Wei, C. Wendt,H. Wenzel,W. Wester III, A. Wicklund, E. Wicklund,R. Wilkinson,H. Williams,P. Wilson,B. Winer,D. Wolinski,J. Wolinski,X. Wu,J. Wyss,A. Yagil, W. Yao,K. Yasuoka,Y. Ye,G. Yeh,P. Yeh,M. Yin, J. Yoh,C. Yosef,T. Yoshida,D. Yovanovitch, I. Yu,L. Yu,J. Yun, A. Zanetti,F. Zetti, L. Zhang,W. Zhang,S. Zucchelli
PHYSICAL REVIEW LETTERS（1996）
引用 39|浏览290
摘要
The lifetime of Lambda(b)(0) is measured using the semileptonic decay Lambda(b)(0)-->Lambda(c)(+)l(-)nu(-), where the Lambda(c)(+) is reconstructed through its decay Lambda(c)(+) --> pK(-)pi(+). The data were collected by the CDF detector at the Tevatron Collider during 1992-1995 and correspond to an integrated luminosity of 110 pb(-1) of collisions at root s=1.8 TeV. From a fit to the decay length distribution of the Lambda(c)-lepton system from 197+/-25 signal events, the lifetime of Lambda(b)(0) is measured to be 1.32+/-0.15+/- 0.07 ps.
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