• Milestone

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

F. Abe et al. (CDF Collaboration)
Phys. Rev. Lett. 74, 2626 – Published 3 April 1995
An article within the collection: Letters from the Past - A PRL Retrospective
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Abstract

We establish the existence of the top quark using a 67pb1 data sample of 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 tt¯ decay to WWbb¯, 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/c2, and the tt¯ production cross section to be 6.82.4+3.6pb.

  • Received 24 February 1995

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

©1995 American Physical Society

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This article appears in the following collection:

Letters from the Past - A PRL Retrospective

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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Issue

Vol. 74, Iss. 14 — 3 April 1995

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