Milestone

Observation of Top Quark Production in $\bar{p} p$ Collisions with the Collider Detector at Fermilab

F. Abe¹⁵,H. Akimoto³³,A. Akopian²⁸,M. G. Albrow⁷,S. R. Amendolia²⁵,D. Amidei¹⁸,J. Antos³⁰,C. Anway-Wiese⁴,S. Aota³³et al. (CDF Collaboration)

S. Aota³³,G. Apollinari²⁸,T. Asakawa³³,W. Ashmanskas¹⁶,M. Atac⁷,P. Auchincloss²⁷,F. Azfar²³,P. Azzi-Bacchetta²²,N. Bacchetta²²,W. Badgett¹⁸,S. Bagdasarov²⁸,M. W. Bailey²⁰,J. Bao³⁶,P. de Barbaro²⁷,A. Barbaro-Galtieri¹⁶,V. E. Barnes²⁶,B. A. Barnett¹⁴,P. Bartalini²⁵,G. Bauer¹⁷,T. Baumann⁹,F. Bedeschi²⁵,S. Behrends³,S. Belforte²⁵,G. Bellettini²⁵,J. Bellinger³⁵,D. Benjamin³²,J. Benlloch¹⁷,J. Bensinger³,D. Benton²³,A. Beretvas⁷,J. P. Berge⁷,S. Bertolucci⁸,A. Bhatti²⁸,K. Biery^12,13,M. Binkley⁷,D. Bisello²²,R. E. Blair¹,C. Blocker³,A. Bodek²⁷,W. Bokhari¹⁷,V. Bolognesi²⁵,D. Bortoletto²⁶,J. Boudreau²⁴,G. Brandenburg⁹,L. Breccia²,C. Bromberg¹⁹,E. Buckley-Geer⁷,H. S. Budd²⁷,K. Burkett¹⁸,G. Busetto²²,A. Byon-Wagner⁷,K. L. Byrum¹,J. Cammerata¹⁴,C. Campagnari⁷,M. Campbell¹⁸,A. Caner⁷,W. Carithers¹⁶,D. Carlsmith³⁵,A. Castro²²,G. Cauz²⁵,Y. Cen²⁷,F. Cervelli²⁵,H. Y. Chao³⁰,J. Chapman¹⁸,M.-T. Cheng³⁰,G. Chiarelli²⁵,T. Chikamatsu³³,C. N. Chiou³⁰,L. Christofek¹¹,S. Cihangir⁷,A. G. Clark²⁵,M. Cobal²⁵,M. Contreras⁵,J. Conway²⁹,J. Cooper⁷,M. Cordelli⁸,C. Couyoumtzelis²⁵,D. Crane¹,D. Cronin-Hennessy⁶,R. Culbertson⁵,J. D. Cunningham³,T. Daniels¹⁷,F. DeJongh⁷,S. Delchamps⁷,S. Dell'Agnello²⁵,M. Dell'Orso²⁵,L. Demortier²⁸,B. Denby²⁵,M. Deninno²,P. F. Derwent¹⁸,T. Devlin²⁹,M. Dickson²⁷,J. R. Dittmann⁶,S. Donati²⁵,R. B. Drucker¹⁶,A. Dunn¹⁸,N. Eddy¹⁸,K. Einsweiler¹⁶,J. E. Elias⁷,R. Ely¹⁶,E. Engels, Jr.²⁴,D. Errede¹¹,S. Errede¹¹,Q. Fan²⁷,I. Fiori²,B. Flaugher⁷,G. W. Foster⁷,M. Franklin⁹,M. Frautschi²⁰,J. Freeman⁷,J. Friedman¹⁷,H. Frisch⁵,T. A. Fuess¹,Y. Fukui¹⁵,S. Funaki³³,G. Gagliardi²⁴,S. Galeotti²⁵,M. Gallinaro²²,M. Garcia-Sciveres¹⁶,A. F. Garfinkel²⁶,C. Gay⁹,S. Geer⁷,D. W. Gerdes¹⁸,P. Giannetti²⁵,N. Giokaris²⁸,P. Giromini⁸,L. Gladney²³,D. Glenzinski¹⁴,M. Gold²⁰,J. Gonzalez²³,A. Gordon⁹,A. T. Goshaw⁶,K. Goulianos²⁸,H. Grassmann⁷,L. Groer²⁹,C. Grosso-Pilcher⁵,G. Guillian¹⁸,R. S. Guo³⁰,C. Haber¹⁶,S. R. Hahn⁷,R. Hamilton⁹,R. Handler³⁵,R. M. Hans³⁶,K. Hara³³,B. Harral²³,R. M. Harris⁷,S. A. Hauger⁶,J. Hauser⁴,C. Hawk²⁹,E. Hayashi³³,J. Heinrich²³,M. Hohlmann^1,5,C. Holck²³,R. Hollebeek²³,L. Holloway¹¹,A. Hölscher^12,13,S. Hong¹⁸,G. Houk²³,P. Hu²⁴,B. T. Huffman²⁴,R. Hughes²⁷,J. Huston¹⁹,J. Huth⁹,J. Hylen⁷,H. Ikeda³³,M. Incagli²⁵,J. Incandela⁷,J. Iwai³³,Y. Iwata¹⁰,H. Jensen⁷,U. Joshi⁷,R. W. Kadel¹⁶,E. Kajfasz⁷,T. Kamon³¹,T. Kaneko³³,K. Karr³⁴,H. Kasha³⁶,Y. Kato²¹,L. Keeble⁸,K. Kelley¹⁷,R. D. Kennedy²⁹,R. Kephart⁷,P. Kesten¹⁶,D. Kestenbaum⁹,R. M. Keup¹¹,H. Keutelian⁷,F. Keyvan⁴,B. J. Kim²⁷,D. H. Kim⁷,H. S. Kim^12,13,S. B. Kim¹⁸,S. H. Kim³³,Y. K. Kim¹⁶,L. Kirsch³,P. Koehn²⁷,K. Kondo³³,J. Konigsberg⁹,S. Kopp⁵,K. Kordas^12,13,W. Koska⁷,E. Kovacs⁷,W. Kowald⁶,M. Krasberg¹⁸,J. Kroll⁷,M. Kruse²⁶,T. Kuwabara³³,S. E. Kuhlmann¹,E. Kuns²⁹,A. T. Laasanen²⁶,N. Labanca²⁵,S. Lammel⁷,J. I. Lamoureux³,T. LeCompte¹¹,S. Leone²⁵,J. D. Lewis⁷,P. Limon⁷,M. Lindgren⁴,T. M. Liss¹¹,N. Lockyer²³,O. Long²³,C. Loomis²⁹,M. Loreti²²,J. Lu³¹,D. Lucchesi²⁵,P. Lukens⁷,S. Lusin³⁵,J. Lys¹⁶,K. Maeshima⁷,A. Maghakian²⁸,P. Maksimovic¹⁷,M. Mangano²⁵,J. Mansour¹⁹,M. Mariotti²²,J. P. Marriner⁷,A. Martin¹¹,J. A. J. Matthews²⁰,R. Mattingly¹⁷,P. McIntyre³¹,P. Melese²⁸,A. Menzione²⁵,E. Meschi²⁵,S. Metzler²³,C. Miao¹⁸,G. Michail⁹,S. Mikamo¹⁵,R. Miller¹⁹,H. Minato³³,S. Miscetti⁸,M. Mishina¹⁵,H. Mitsushio³³,T. Miyamoto³³,S. Miyashita³³,Y. Morita¹⁵,J. Mueller²⁴,A. Mukherjee⁷,T. Muller⁴,P. Murat²⁵,H. Nakada³³,I. Nakano³³,C. Nelson⁷,D. Neuberger⁴,C. Newman-Holmes⁷,M. Ninomiya³³,L. Nodulman¹,S. Ogawa³³,S. H. Oh⁶,K. E. Ohl³⁶,T. Ohmoto¹⁰,T. Ohsugi¹⁰,R. Oishi³³,M. Okabe³³,T. Okusawa²¹,R. Oliver²³,J. Olsen³⁵,C. Pagliarone²,R. Paoletti²⁵,V. Papadimitriou³²,S. P. Pappas³⁶,S. Park⁷,J. Patrick⁷,G. Pauletta²⁵,M. Paulini¹⁶,L. Pescara²²,M. D. Peters¹⁶,T. J. Phillips⁶,G. Piacentino²,M. Pillai²⁷,K. T. Pitts⁷,R. Plunkett⁷,L. Pondrom³⁵,J. Proudfoot¹,F. Ptohos⁹,G. Punzi²⁵,K. Ragan^12,13,A. Ribon²²,F. Rimondi²,L. Ristori²⁵,W. J. Robertson⁶,T. Rodrigo⁷,J. Romano⁵,L. Rosenson¹⁷,R. Roser¹¹,W. K. Sakumoto²⁷,D. Saltzberg⁵,A. Sansoni⁸,L. Santi²⁵,H. Sato³³,V. Scarpine³¹,P. Schlabach⁹,E. E. Schmidt⁷,M. P. Schmidt³⁶,G. F. Sciacca²⁵,A. Scribano²⁵,S. Segler⁷,S. Seidel²⁰,Y. Seiya³³,G. Sganos^12,13,A. Sgolacchia²,M. D. Shapiro¹⁶,N. M. Shaw²⁶,Q. Shen²⁶,P. F. Shepard²⁴,M. Shimojima³³,M. Shochet⁵,J. Siegrist¹⁶,A. Sill³²,P. Sinervo^12,13,P. Singh²⁴,J. Skarha¹⁴,K. Sliwa³⁴,D. A. Smith²⁵,F. D. Snider¹⁴,T. Song¹⁸,J. Spalding⁷,P. Sphicas¹⁷,L. Spiegel⁷,A. Spies¹⁴,L. Stanco²²,J. Steele³⁵,A. Stefanini²⁵,K. Strahl^12,13,J. Strait⁷,D. Stuart⁷,G. Sullivan⁵,A. Soumarokov³⁰,K. Sumorok¹⁷,J. Suzuki³³,T. Takada³³,T. Takahashi²¹,T. Takano³³,K. Takikawa³³,N. Tamura¹⁰,F. Tartarelli²⁵,W. Taylor^12,13,P. K. Teng³⁰,Y. Teramoto²¹,S. Tether¹⁷,D. Theriot⁷,T. L. Thomas²⁰,R. Thun¹⁸,M. Timko³⁴,P. Tipton²⁷,A. Titov²⁸,S. Tkaczyk⁷,D. Toback⁵,K. Tollefson²⁷,A. Tollestrup⁷,J. Tonnison²⁶,J. F. de Troconiz⁹,S. Truitt¹⁸,J. Tseng¹⁴,N. Turini²⁵,T. Uchida²⁵,N. Uemura³³,F. Ukegawa²³,G. Unal²³,S. C. van den Brink²⁴,S. Vejcik III¹⁸,G. Velev²⁵,R. Vidal⁷,M. Vondracek¹¹,D. Vucinic¹⁷,R. G. Wagner¹,R. L. Wagner⁷,J. Wahl⁵,R. C. Walker²⁷,C. Wang⁶,C. H. Wang³⁰,G. Wang²⁵,J. Wang⁵,M. J. Wang³⁰,Q. F. Wang²⁸,A. Warburton^12,13,G. Watts²⁷,T. Watts²⁹,R. Webb³¹,C. Wei⁶,C. Wendt³⁵,H. Wenzel¹⁶,W. C. Wester III⁷,A. B. Wicklund¹,E. Wicklund⁷,R. Wilkinson²³,H. H. Williams²³,P. Wilson⁵,B. L. Winer²⁷,D. Wolinski¹⁸,J. Wolinski³¹,X. Wu²⁵,J. Wyss²²,A. Yagil⁷,W. Yao¹⁶,K. Yasuoka³³,Y. Ye^12,13,G. P. Yeh⁷,P. Yeh³⁰,M. Yin⁶,J. Yoh⁷,C. Yosef¹⁹,T. Yoshida²¹,D. Yovanovitch⁷,I. Yu³⁶,J. C. Yun⁷,A. Zanetti²⁵,F. Zetti²⁵,L. Zhang³⁵,W. Zhang²³, andS. Zucchelli² (CDF Collaboration)

¹Argonne National Laboratory, Argonne, Illinois 60439
²Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40126 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
⁸Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
⁹Harvard University, Cambridge, Massachusetts 02138
¹⁰Hiroshima University, Higashi-Hiroshima 724, Japan
¹¹University of Illinois, Urbana, Illinois 61801
¹²Institute of Particle Physics, McGill University, Montreal, Canada H3A 2T8
¹³and University of Toronto, Toronto, Canada M5S 1A7
¹⁴The Johns Hopkins University, Baltimore, Maryland 21218
¹⁵National Laboratory for High Energy Physics (KEK), Tsukuba, Ibaraki 305, Japan
¹⁶Lawrence Berkeley Laboratory, Berkeley, California 94720
¹⁷Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
¹⁸University of Michigan, Ann Arbor, Michigan 48109
¹⁹Michigan State University, East Lansing, Michigan 48824
²⁰University of New Mexico, Albuquerque, New Mexico 87131
²¹Osaka City University, Osaka 588, Japan
²²Università di Padova, Instituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy
²³University of Pennsylvania, Philadelphia, Pennsylvania 19104
²⁴University of Pittsburgh, Pittsburgh, Pennsylvania 15260
²⁵Istituto Nazionale di Fisica Nucleare, University and Scuola Normale Superiore of Pisa, I-56100 Pisa, Italy
²⁶Purdue University, West Lafayette, Indiana 47907
²⁷University of Rochester, Rochester, New York 14627
²⁸Rockefeller University, New York, New York 10021
²⁹Rutgers University, Piscataway, New Jersey 08854
³⁰Academia Sinica, Taipei, Taiwan 11529, Republic of China
³¹Texas A&M University, College Station, Texas 77843
³²Texas Tech University, Lubbock, Texas 79409
³³University of Tsukuba, Tsukuba, Ibaraki 305, Japan
³⁴Tufts University, Medford, Massachusetts 02155
³⁵University of Wisconsin, Madison, Wisconsin 53706
³⁶Yale University, New Haven, Connecticut 06511

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Phys. Rev. Lett.74, 2626 –Published 3 April, 1995

DOI:https://doi.org/10.1103/PhysRevLett.74.2626

Abstract

We establish the existence of the top quark using a $67 {pb}^{- 1}$ data sample of $\bar{p} p$ collisions at $\sqrt{s} = 1.8 TeV$ collected with the Collider Detector at Fermilab (CDF). Employing techniques similar to those we previously published, we observe a signal consistent with $t \bar{t}$ decay to $WWb \bar{b}$ , but inconsistent with the background prediction by $4.8 σ$ . Additional evidence for the top quark is provided by a peak in the reconstructed mass distribution. We measure the top quark mass to be $176 \pm 8 (stat) \pm 10 (syst) GeV {/ c}^{2}$ , and the $t \bar{t}$ production cross section to be ${6.8}_{- 2.4}^{+ 3.6} pb$ .

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2008 marked PRL’s 50th anniversary. As part of the celebrations a collection of milestone Letters was started. The collection contains Letters that have made long-lived contributions to physics, either by announcing significant discoveries, or by initiating new areas of research.

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Phys. Rev. Lett.74, 2626– Published 3 April, 1995

Vol. 74, Iss. 14 — 3 April 1995

Received 24 February 1995

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DOI:https://doi.org/10.1103/PhysRevLett.74.2626

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Observation of Top Quark Production in $\bar{p} p$ Collisions with the Collider Detector at Fermilab

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Movatterモバイル変換

Observation of Top Quark Production inp¯p Collisions with the Collider Detector at Fermilab

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Observation of Top Quark Production in $\bar{p} p$ Collisions with the Collider Detector at Fermilab