First Direct Bound on the Total Width of the Top Quark in $p \barp$ Collisions at $\sqrts=$ 1.96-TeV

CDF Collaboration, Victoria Martin

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We present the first direct experimental bound on the total decay width of the top quark using 955pb^-1 of the Tevatron's ppbar collisions recorded by the Collider Detector at Fermilab. We identify 253 top-antitop pair candidate events. The distribution of reconstructed top quark mass from these events is fitted to templates representing different values of the top quark width. Using a confidence interval based on likelihood ratio ordering, we extract an upper limit at 95% C.L. of Gamma_t
Original languageEnglish
JournalPhysical Review Letters
Volume102
DOIs
Publication statusPublished - 2009

Keywords / Materials (for Non-textual outputs)

  • hep-ex

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