First observation of the all-hadronic decay of tt pairs

CDF Collaboration

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

We present the first observation of the all hadronic decay of tt pairs. The analysis is performed using 109 pb−1 of pp collisions at s = 1.8 TeV collected with the Collider Detector at Fermilab. We observe an excess of events with five or more jets, including one or two b jets, relative to background expectations. Based on this excess we evaluate the production cross section to be in agreement with previous results. We measure the top mass to be 186±10±12 GeV/c2.

Original languageEnglish (US)
Pages (from-to)1992-1997
Number of pages6
JournalPhysical review letters
Volume79
Issue number11
DOIs
StatePublished - 1997

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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