Phys. Rev. D
65,
111101(R)
(2002)
[6 pages]
Search for the decay Bs→μ+μ-φ in pp̅ collisions at √s=1.8 TeV
D. Acosta et al. (CDF Collaboration)
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D. Acosta12, T. Affolder23, H. Akimoto45, A. Akopian37, M. G. Albrow11, P. Amaral8, D. Amidei25, K. Anikeev24, J. Antos1, G. Apollinari11, T. Arisawa45, A. Artikov9, T. Asakawa43, W. Ashmanskas8, F. Azfar30, P. Azzi-Bacchetta31, N. Bacchetta31, H. Bachacou23, S. Bailey16, P. de Barbaro36, A. Barbaro-Galtieri23, V. E. Barnes35, B. A. Barnett19, S. Baroiant5, M. Barone13, G. Bauer24, F. Bedeschi33, S. Belforte42, W. H. Bell15, G. Bellettini33, J. Bellinger46, D. Benjamin10, J. Bensinger4, A. Beretvas11, J. P. Berge11, J. Berryhill8, A. Bhatti37, M. Binkley11, D. Bisello31, M. Bishai11, R. E. Blair2, C. Blocker4, K. Bloom25, B. Blumenfeld19, S. R. Blusk36, A. Bocci37, A. Bodek36, W. Bokhari32, G. Bolla35, Y. Bonushkin6, D. Bortoletto35, J. Boudreau34, A. Brandl27, S. van den Brink19, C. Bromberg26, M. Brozovic10, E. Brubaker23, N. Bruner27, E. Buckley-Geer11, J. Budagov9, H. S. Budd36, K. Burkett16, G. Busetto31, A. Byon-Wagner11, K. L. Byrum2, S. Cabrera10, P. Calafiura23, M. Campbell25, W. Carithers23, J. Carlson25, D. Carlsmith46, W. Caskey5, A. Castro3, D. Cauz42, A. Cerri33, A. W. Chan1, P. S. Chang1, P. T. Chang1, J. Chapman25, C. Chen32, Y. C. Chen1, M. -T. Cheng1, M. Chertok5, G. Chiarelli33, I. Chirikov-Zorin9, G. Chlachidze9, F. Chlebana11, L. Christofek18, M. L. Chu1, Y. S. Chung36, C. I. Ciobanu28, A. G. Clark14, A. P. Colijn11, A. Connolly23, J. Conway38, M. Cordelli13, J. Cranshaw40, R. Cropp41, R. Culbertson11, D. Dagenhart44, S. D’Auria15, F. DeJongh11, S. Dell’Agnello13, M. Dell’Orso33, S. Demers37, L. Demortier37, M. Deninno3, P. F. Derwent11, T. Devlin38, J. R. Dittmann11, A. Dominguez23, S. Donati33, J. Done39, M. D’Onofrio33, T. Dorigo16, N. Eddy18, K. Einsweiler23, J. E. Elias11, E. Engels, Jr.34, R. Erbacher11, D. Errede18, S. Errede18, Q. Fan36, H. -C. Fang23, R. G. Feild47, J. P. Fernandez11, C. Ferretti33, R. D. Field12, I. Fiori3, B. Flaugher11, G. W. Foster11, M. Franklin16, J. Freeman11, J. Friedman24, Y. Fukui22, I. Furic24, S. Galeotti33, A. Gallas16,*, M. Gallinaro37, T. Gao32, M. Garcia-Sciveres23, A. F. Garfinkel35, P. Gatti31, C. Gay47, D. W. Gerdes25, P. Giannetti33, M. P. Giordani5, P. Giromini13, V. Glagolev9, D. Glenzinski11, M. Gold27, J. Goldstein11, I. Gorelov27, A. T. Goshaw10, Y. Gotra34, K. Goulianos37, C. Green35, G. Grim5, P. Gris11, L. Groer38, C. Grosso-Pilcher8, M. Guenther35, G. Guillian25, J. Guimaraes da Costa16, R. M. Haas12, C. Haber23, S. R. Hahn11, C. Hall16, T. Handa17, R. Handler46, W. Hao40, F. Happacher13, K. Hara43, A. D. Hardman35, R. M. Harris11, F. Hartmann20, K. Hatakeyama37, J. Hauser6, J. Heinrich32, A. Heiss20, M. Herndon19, C. Hill5, A. Hocker36, K. D. Hoffman35, C. Holck32, R. Hollebeek32, L. Holloway18, B. T. Huffman30, R. Hughes28, J. Huston26, J. Huth16, H. Ikeda43, J. Incandela11,†, G. Introzzi33, A. Ivanov36, J. Iwai45, Y. Iwata17, E. James25, M. Jones32, U. Joshi11, H. Kambara14, T. Kamon39, T. Kaneko43, K. Karr44, S. Kartal11, H. Kasha47, Y. Kato29, T. A. Keaffaber35, K. Kelley24, M. Kelly25, D. Khazins10, T. Kikuchi43, B. Kilminster36, B. J. Kim21, D. H. Kim21, H. S. Kim18, M. J. Kim21, S. B. Kim21, S. H. Kim43, Y. K. Kim23, M. Kirby10, M. Kirk4, L. Kirsch4, S. Klimenko12, P. Koehn28, K. Kondo45, J. Konigsberg12, A. Korn24, A. Korytov12, E. Kovacs2, J. Kroll32, M. Kruse10, S. E. Kuhlmann2, K. Kurino17, T. Kuwabara43, A. T. Laasanen35, N. Lai8, S. Lami37, S. Lammel11, J. Lancaster10, M. Lancaster23, R. Lander5, A. Lath38, G. Latino33, T. LeCompte2, A. M. Lee, IV10, K. Lee40, S. Leone33, J. D. Lewis11, M. Lindgren6, T. M. Liss18, J. B. Liu36, Y. C. Liu1, D. O. Litvintsev11, O. Lobban40, N. Lockyer32, J. Loken30, M. Loreti31, D. Lucchesi31, P. Lukens11, S. Lusin46, L. Lyons30, J. Lys23, R. Madrak16, K. Maeshima11, P. Maksimovic16, L. Malferrari3, M. Mangano33, M. Mariotti31, G. Martignon31, A. Martin47, J. A. J. Matthews27, J. Mayer41, P. Mazzanti3, K. S. McFarland36, P. McIntyre39, E. McKigney32, M. Menguzzato31, A. Menzione33, P. Merkel11, C. Mesropian37, A. Meyer11, T. Miao11, R. Miller26, J. S. Miller25, H. Minato43, S. Miscetti13, M. Mishina22, G. Mitselmakher12, Y. Miyazaki29, N. Moggi3, E. Moore27, R. Moore25, Y. Morita22, T. Moulik35, M. Mulhearn24, A. Mukherjee11, T. Muller20, A. Munar33, P. Murat11, S. Murgia26, J. Nachtman6, V. Nagaslaev40, S. Nahn47, H. Nakada43, I. Nakano17, C. Nelson11, T. Nelson11, C. Neu28, D. Neuberger20, C. Newman-Holmes11, C.-Y. P. Ngan24, H. Niu4, L. Nodulman2, A. Nomerotski12, S. H. Oh10, Y. D. Oh21, T. Ohmoto17, T. Ohsugi17, R. Oishi43, T. Okusawa29, J. Olsen46, W. Orejudos23, C. Pagliarone33, F. Palmonari33, R. Paoletti33, V. Papadimitriou40, D. Partos4, J. Patrick11, G. Pauletta42, M. Paulini23,‡, C. Paus24, D. Pellett5, L. Pescara31, T. J. Phillips10, G. Piacentino33, K. T. Pitts18, A. Pompos35, L. Pondrom46, G. Pope34, M. Popovic41, F. Prokoshin9, J. Proudfoot2, F. Ptohos13, O. Pukhov9, G. Punzi33, A. Rakitine24, F. Ratnikov38, D. Reher23, A. Reichold30, P. Renton30, A. Ribon31, W. Riegler16, F. Rimondi3, L. Ristori33, M. Riveline41, W. J. Robertson10, A. Robinson41, T. Rodrigo7, S. Rolli44, L. Rosenson24, R. Roser11, R. Rossin31, C. Rott35, A. Roy35, A. Ruiz7, A. Safonov5, R. St. Denis15, W. K. Sakumoto36, D. Saltzberg6, C. Sanchez28, A. Sansoni13, L. Santi42, H. Sato43, P. Savard41, P. Schlabach11, E. E. Schmidt11, M. P. Schmidt47, M. Schmitt16,*, L. Scodellaro31, A. Scott6, A. Scribano33, S. Segler11, S. Seidel27, Y. Seiya43, A. Semenov9, F. Semeria3, T. Shah24, M. D. Shapiro23, P. F. Shepard34, T. Shibayama43, M. Shimojima43, M. Shochet8, A. Sidoti31, J. Siegrist23, A. Sill40, P. Sinervo41, P. Singh18, A. J. Slaughter47, K. Sliwa44, C. Smith19, F. D. Snider11, A. Solodsky37, J. Spalding11, T. Speer14, P. Sphicas24, F. Spinella33, M. Spiropulu8, L. Spiegel11, J. Steele46, A. Stefanini33, J. Strologas18, F. Strumia14, D. Stuart11, K. Sumorok24, T. Suzuki43, T. Takano29, R. Takashima17, K. Takikawa43, P. Tamburello10, M. Tanaka43, B. Tannenbaum6, M. Tecchio25, R. Tesarek11, P. K. Teng1, K. Terashi37, S. Tether24, A. S. Thompson15, R. Thurman-Keup2, P. Tipton36, S. Tkaczyk11, D. Toback39, K. Tollefson36, A. Tollestrup11, D. Tonelli33, H. Toyoda29, W. Trischuk41, J. F. de Troconiz16, J. Tseng24, D. Tsybychev11, N. Turini33, F. Ukegawa43, T. Vaiciulis36, J. Valls38, S. Vejcik, III11, G. Velev11, G. Veramendi23, R. Vidal11, I. Vila7, R. Vilar7, I. Volobouev23, M. von der Mey6, D. Vucinic24, R. G. Wagner2, R. L. Wagner11, N. B. Wallace38, Z. Wan38, C. Wang10, M. J. Wang1, B. Ward15, S. Waschke15, T. Watanabe43, D. Waters30, T. Watts38, R. Webb39, H. Wenzel20, W. C. Wester, III11, A. B. Wicklund2, E. Wicklund11, T. Wilkes5, H. H. Williams32, P. Wilson11, B. L. Winer28, D. Winn25, S. Wolbers11, D. Wolinski25, J. Wolinski26, S. Wolinski25, S. Worm27, X. Wu14, J. Wyss33, W. Yao23, G. P. Yeh11, P. Yeh1, J. Yoh11, C. Yosef26, T. Yoshida29, I. Yu21, S. Yu32, Z. Yu47, A. Zanetti42, F. Zetti23, and S. Zucchelli3 (CDF Collaboration)
1Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
2Argonne National Laboratory, Argonne, Illinois 60439
3Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna, Italy
4Brandeis University, Waltham, Massachusetts 02254
5University of California at Davis, Davis, California 95616
6University of California at Los Angeles, Los Angeles, California 90024
7Instituto de Fisica de Cantabria, CSIC–University of Cantabria, 39005 Santander, Spain
8Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637
9Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
10Duke University, Durham, North Carolina 27708
11Fermi National Accelerator Laboratory, Batavia, Illinois 60510
12University of Florida, Gainesville, Florida 32611
13Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
14University of Geneva, CH-1211 Geneva 4, Switzerland
15Glasgow University, Glasgow G12 8QQ, United Kingdom
16Harvard University, Cambridge, Massachusetts 02138
17Hiroshima University, Higashi-Hiroshima 724, Japan
18University of Illinois, Urbana, Illinois 61801
19The Johns Hopkins University, Baltimore, Maryland 21218
20Institut für Experimentelle Kernphysik, Universität Karlsruhe, 76128 Karlsruhe, Germany
21Center for High Energy Physics, Kyungpook National University, Taegu 702-701, Korea, Seoul National University, Seoul 151-742, Korea,SungKyunKwan University, Suwon 440-746, Korea
22High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305, Japan
23Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720
24Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
25University of Michigan, Ann Arbor, Michigan 48109
26Michigan State University, East Lansing, Michigan 48824
27University of New Mexico, Albuquerque, New Mexico 87131
28The Ohio State University, Columbus, Ohio 43210
29Osaka City University, Osaka 588, Japan
30University of Oxford, Oxford OX1 3RH, United Kingdom
31Universita di Padova, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy
32University of Pennsylvania, Philadelphia, Pennsylvania 19104
33Istituto Nazionale di Fisica Nucleare, University and Scuola Normale Superiore of Pisa, I-56100 Pisa, Italy
34University of Pittsburgh, Pittsburgh, Pennsylvania 15260
35Purdue University, West Lafayette, Indiana 47907
36University of Rochester, Rochester, New York 14627
37Rockefeller University, New York, New York 10021
38Rutgers University, Piscataway, New Jersey 08855
39Texas A&M University, College Station, Texas 77843
40Texas Tech University, Lubbock, Texas 79409
41Institute of Particle Physics, University of Toronto, Toronto, Canada M5S 1A7
42Istituto Nazionale di Fisica Nucleare, University of Trieste/Udine, Italy
43University of Tsukuba, Tsukuba, Ibaraki 305, Japan
44Tufts University, Medford, Massachusetts 02155
45Waseda University, Tokyo 169, Japan
46University of Wisconsin, Madison, Wisconsin 53706
47Yale University, New Haven, Connecticut 06520
Received 1 October 2001; published 7 June 2002
We present a search for the flavor-changing neutral current decay Bs→μ+μ-φ in pp̅ collisions at √s=1.8 TeV, using 91 pb-1 of data collected at the Collider Detector at Fermilab (CDF). We find two candidate events for this decay, which are consistent with the background estimate of one event, and set an upper limit on the branching fraction of B(Bs→μ+μ-φ)<6.7×10-5 at a 95% confidence level. This is the first limit on the branching fraction of this decay.
© 2002 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.65.111101
DOI:
10.1103/PhysRevD.65.111101
*Now at Northwestern University, Evanston, IL 60208. †Now at University of California, Santa Barbara, CA 93106. ‡Now at Carnegie Mellon University, Pittsburgh, PA 15213.
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