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Observation of Top Quark Production in [¯ over p]p Collisions with the Collider Detector at Fermilab

Author(s)
Benlloch, J.; Bokhari, W.; Daniels, T.; Friedman, J.; Kelley, K.; Maksimovic, P.; Mattingly, R.; Rosenson, Lawrence; Sphicas, Paraskevas; Tether, S.; Vucinic, D.; Bauer, Gerry P; Sumorok, Konstanty C; ... Show more Show less
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Abstract
We establish the existence of the top quark using a 67pb[superscript −1] data sample of [¯ over p]p collisions at √s = 1.8TeV collected with the Collider Detector at Fermilab (CDF). Employing techniques similar to those we previously published, we observe a signal consistent with t[¯ over t] decay to WWb[¯ over b], but inconsistent with the background prediction by 4.8σ. 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±8(stat)±10(syst)GeV/c[superscript 2], and the t[¯ over t] production cross section to be 6.8[+3.6 over −2.4]pb.
Date issued
1995-04
URI
http://hdl.handle.net/1721.1/87761
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Abe, F., H. Akimoto, A. Akopian, M. Albrow, S. Amendolia, D. Amidei, J. Antos, et al. “Observation of Top Quark Production in P¯p Collisions with the Collider Detector at Fermilab.” Physical Review Letters 74, no. 14 (April 1995): 2626–2631. © 1995 The American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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