Phys. Rev. Lett. 80, 2779 - 2784 (1998)
Measurement of the Top Quark Mass and tt̅ Production Cross Section from Dilepton Events at the Collider Detector at Fermilab
F. Abe et al. (CDF Collaboration)
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F. Abe17, H. Akimoto39, A. Akopian31, M. G. Albrow7, A. Amadon5, S. R. Amendolia27, D. Amidei20, J. Antos33, S. Aota37, G. Apollinari31, T. Arisawa39, T. Asakawa37, W. Ashmanskas18, M. Atac7, P. Azzi-Baccehtta25, N. Bacchetta25, S. Bagdasarov31, M. W. Bailey22, P. de Barbaro30, A. Barbaro-Galtieri18, V. E. Barnes29, B. A. Barnett15, M. Barone9, G. Bauer19, T. Baumann11, F. Bedeschi27, S. Behrends3, S. Belforte27, G. Bellettini27, J. Bellinger40, D. Benjamin35, J. Bensinger3, A. Beretvas7, J. P. Berge7, J. Berryhill5, S. Bertolucci9, S. Bettelli27, B. Bevensee26, A. Bhatti31, K. Biery7, C. Bigongiari27, M. Binkley7, D. Bisello25, R. E. Blair1, C. Blocker3, S. Blusk30, A. Bodek30, W. Bokhari26, G. Bolla29, Y. Bonushkin4, D. Bortoletto29, J. Boudreau28, L. Breccia2, C. Bromberg21, N. Bruner22, R. Brunetti2, E. Buckley-Geer7, H. S. Budd30, K. Burkett20, G. Busetto25, A. Byon-Wagner7, K. L. Byrum1, M. Campbell20, A. Caner27, W. Carithers18, D. Carlsmith40, J. Cassada30, A. Castro25, D. Cauz36, A. Cerri27, P. S. Chang33, P. T. Chang33, H. Y. Chao33, J. Chapman20, M.-T. Cheng33, M. Chertok34, G. Chiarelli27, C. N. Chiou33, F. Chlebana7, L. Christofek13, M. L. Chu33, S. Chigangir7, A. G. Clark10, M. Cobal27, E. Cocca27, M. Contreras5, J. Conway32, J. Cooper7, M. Cordelli9, D. Costanzo27, C. Couyoumtzelis10, D. Cronin-Hennessy6, R. Culbertson5, D. Dagenhart38, T. Daniels19, F. DeJongh7, S. Dell'Agnello9, M. Dell'Orso27, R. Demina7, L. Demortier31, M. Deninno2, P. F. Derwent7, T. Devlin32, J. R. Dittmann6, S. Donati27, J. Done34, T. Dorigo25, N. Eddy20, K. Einsweiler18, J. E. Elias7, R. Ely18, E. Engels, Jr.28, W. Erdmann7, D. Errede13, S. Errede13, Q. Fan30, R. G. Feild41, Z. Feng15, C. Ferretti27, I. Fiori2, B. Flaugher7, G. W. Foster7, M. Franklin11, J. Freeman7, J. Friedman19, H. Frisch5, Y. Fukui17, S. Gadomski14,14b, S. Galeotti27, M. Gallinaro26, O. Ganel35, M. Garcia-Sciveres18, A. F. Garfinkel29, C. Gay41, S. Geer7, D. W. Gerdes15, P. Giannetti27, N. Giokaris31, P. Giromini9, G. Giusti27, M. Gold22, A. Gordon11, A. T. Goshaw6, Y. Gotra25, K. Goulianos31, H. Grassmann36, L. Groer32, C. Grosso-Pilcher5, G. Guillian20, J. Guimaraes da Costa15, R. S. Guo33, C. Haber18, E. Hafen19, S. R. Hahn7, R. Hamilton11, T. Handa12, R. Handler40, F. Happacher9, K. Hara37, A. D. Hardman29, R. M. Harris7, F. Hartmann16, J. Hauser4, E. Hayashi37, J. Heinrich26, W. Hao35, B. Hinrichsen14,14b, K. D. Hoffman29, M. Hohlmann5, C. Holck26, R. Hollebeek26, L. Holloway13, Z. Huang20, B. T. Huffman28, R. Hughes23, J. Huston21, J. Huth11, H. Ikeda37, M. Incagli27, J. Incandela7, G. Introzzi27, J. Iwai39, Y. Iwata12, E. James20, H. Jensen7, U. Joshi7, E. Kajfasz25, H. Kambara10, T. Kamon34, T. Kaneko37, K. Karr38, H. Kasha41, Y. Kato24, T. A. Keaffaber29, K. Kelley19, R. D. Kennedy7, R. Kephart7, D. Kestenbaum11, D. Khazins6, T. Kikuchi37, B. J. Kim27, H. S. Kim14,14b, S. H. Kim37, Y. K. Kim18, L. Kirsch3, S. Klimenko8, D. Knoblauch16, P. Koehn23, A. Köngeter16, K. Kondo37, J. Konigsberg8, K. Kordas14,14b, A. Korytov8, E. Kovacs1, W. Kowald6, J. Kroll26, M. Kruse30, S. E. Kuhlmann1, E. Kuns32, K. Kurino12, T. Kuwabara37, A. T. Laasanen29, S. Lami27, S. Lammel7, J. I. Lamoureux3, M. Lancaster18, M. Lanzoni27, G. Latino27, T. LeCompte1, S. Leone27, J. D. Lewis7, P. Limon7, M. Lindgren4, T. M. Liss13, J. B. Liu30, Y. C. Liu33, N. Lockyer26, O. Long26, C. Loomis32, M. Loreti25, D. Lucchesi27, P. Lukens7, S. Lusin40, J. Lys18, K. Maeshima7, P. Maksimovic19, M. Mangano27, M. Mariotti25, J. P. Marriner7, A. Martin41, J. A. J. Matthews22, P. Mazzanti2, P. McIntyre34, P. Melese31, M. Meguzzato25, A. Menzione27, E. Meschi27, S. Metzler26, C. Miao20, T. Miao7, G. Michail11, R. Miller21, H. Minato37, S. Miscetti9, M. Mishina17, S. Miyashita37, N. Moggi27, E. Moore22, Y. Morita17, A. Mukherjee7, T. Muller16, P. Murat27, S. Murgia21, H. Nakada37, I. Nakano12, C. Nelson7, D. Neuberger16, C. Newman-Holmes7, C.-Y. P. Ngan19, L. Nodulman1, A. Nomerotski8, S. H. Oh6, T. Ohmoto12, T. Ohsugi12, R. Oishi37, M. Okabe37, T. Okusawa24, J. Olsen40, C. Pagliarone27, R. Paoletti27, V. Papadimitriou35, S. P. Pappas41, N. Parashar27, A. Parri9, J. Patrick7, G. Pauletta36, M. Paulini18, A. Perazzo27, L. Pescara25, M. D. Peters18, T. J. Phillips6, G. Piacentino27, M. Pillai30, K. T. Pitts7, R. Plunkett7, L. Pondrom40, J. Proudfoot1, F. Ptohos11, G. Punzi27, K. Ragan14,14b, D. Reher18, M. Reischl16, A. Ribon25, F. Rimondi2, L. Ristori27, W. J. Robertson6, T. Rodrigo27, S. Rolli38, L. Rosenson19, R. Roser13, T. Saab14,14b, W. K. Sakumoto30, D. Saltzberg4, A. Sansoni9, L. Santi36, H. Sato37, P. Schlabach7, E. E. Schmidt7, M. P. Schmidt41, A. Scott4, A. Scribano27, S. Segler7, S. Seidel22, Y. Seiya37, F. Semeria2, T. Shah19, M. D. Shapiro18, N. M. Shaw29, P. F. Shepard28, T. Shibayama37, M. Shimojima37, M. Shochet5, J. Siegrist18, A. Sill35, P. Sinervo14,14b, P. Singh13, K. Sliwa38, C. Smith15, F. D. Snider15, J. Spalding7, T. Speer10, P. Sphicas19, F. Spinella27, M. Spiropulu11, L. Spiegel7, L. Stanco25, J. Steele40, A. Stefanini27, R. Ströhmer7 *, J. Strologas10, F. Strumia10, D. Stuart7, K. Sumorok19, J. Suzuki37, T. Suzuki37, T. Takahashi24, T. Takano24, R. Takashima12, K. Takikawa37, M. Tanaka37, B. Tannenbaum22, F. Tartarelli27, W. Taylor14,14b, M. Tecchio20, P. K. Teng33, Y. Teramoto24, K. Terashi37, S. Tether19, D. Theriot7, T. L. Thomas22, R. Thurman-Keup1, M. Timko38, P. Tipton30, A. Titov31, S. Tkaczyk7, D. Toback5, K. Tollefson19, A. Tollestrup7, H. Toyoda24, W. Trischuk14,14b, J. F. de Troconiz11, S. Truitt20, J. Tseng19, N. Turini27, T. Uchida37, F. Ukegawa26, J. Valls32, S. C. van den Brink28, S. Vejcik, III20, G. Velev27, R. Vidal7, R. Vilar7 †, D. Vucinic19, R. G. Wagner1, R. L. Wagner7, J. Wahl5, N. B. Wallace27, A. M. Walsh32, C. Wang6, C. H. Wang33, M. J. Wang33, A. Warburton14,14b, T. Watanabe37, T. Watts32, R. Webb34, C. Wei6, H. Wenzel16, W. C. Wester, III7, A. B. Wicklund1, E. Wicklund7, R. Wilkinson26, H. H. Williams26, P. Wilson5, B. L. Winer23, D. Winn20, D. Wolinski20, J. Wolinski21, S. Worm22, X. Wu10, J. Wyss27, A. Yagil7, W. Yao18, K. Yasuoka37, G. P. Yeh7, P. Yeh33, J. Yoh7, C. Yosef21, T. Yoshida24, I. Yu7, A. Zanetti36, F. Zetti27, and S. Zucchelli2 (CDF Collaboration)
1Argonne National Laboratory, Argonne, Illinois 60439
2Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna, Italy
3Brandeis University, Waltham, Massachusetts 02254
4University of California at Los Angeles, Los Angeles, California 90024
5University of Chicago, Chicago, Illinois 60637
6Duke University, Durham, North Carolina 27708
7Fermi National Accelerator Laboratory, Batavia, Illinois 60510
8University of Florida, Gainesville, Florida 32611
9Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
10University of Geneva, CH-1211 Geneva 4, Switzerland
11Harvard University, Cambridge, Massachusetts 02138
12Hiroshima University, Higashi-Hiroshima 724, Japan
13University of Illinois, Urbana, Illinois 61801
14aInstitute of Particle Physics, McGill University, Montreal H3A 2T8
14band University of Toronto, Toronto M5S 1A7, Canada
15The Johns Hopkins University, Baltimore, Maryland 21218
16Institut für Experimentelle Kernphysik, Universität Karlsruhe, 76128 Karlsruhe, Germany
17National Laboratory for High Energy Physics (KEK), Tsukuba, Ibaraki 305, Japan
18Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720
19Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
20University of Michigan, Ann Arbor, Michigan 48109
21Michigan State University, East Lansing, Michigan 48824
22University of New Mexico, Albuquerque, New Mexico 87131
23The Ohio State University, Columbus, Ohio 43210
24Osaka City University, Osaka 588, Japan
25Universita di Padova, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy
26University of Pennsylvania, Philadelphia, Pennsylvania 19104
27Istituto Nazionale di Fisica Nuclear, University and Scuola Normale Superiore of Pisa, I-56100 Pisa, Italy
28University of Pittsburgh, Pittsburgh, Pennsylvania 15260
29Purdue University, West Lafayette, Indiana 47907
30University of Rochester, Rochester, New York 14627
31Rockefeller University, New York, New York 10021
32Rutgers University, Piscataway, New Jersey 08855
33Academia Sinica, Taipei, Taiwan 11530, Republic of China
34Texas A&M University, College Station, Texas 77843
35Texas Tech University, Lubbock, Texas 79409
36Istituto Nazionale di Fisica Nucleare, University of Trieste/Udine, Italy
37University of Tsukuba, Tsukuba, Ibaraki 315, Japan
38Tufts University, Medford, Massachusetts 02155
39Waseda University, Tokyo 169, Japan
40University of Wisconsin, Madison, Wisconsin 53706
41Yale University, New Haven, Connecticut 06520
Received 30 September 1997
We present an analysis of dilepton events originating from tt̅ production in pp̅ collisions at sqrt[s] = 1.8 TeV at the Fermilab Tevatron Collider. The sample corresponds to an integrated luminosity of 109±7 pb-1. We observe nine candidate events, with an estimated background of 2.4±0.5 events. We determine the mass of the top quark to be Mtop = 161±17(stat)±10(syst) GeV/c2. In addition, we measure a tt̅ production cross section of 8.2-3.4+4.4 pb (where Mtop = 175 GeV/c2 has been assumed for the acceptance estimate).
©1998 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v80/p2779
DOI: 10.1103/PhysRevLett.80.2779
PACS: 14.65.Ha, 13.85.Ni, 13.85.Qk
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