Search for exclusive $Z$ boson production and observation of high mass $p\barp \to \gamma \gamma \to p+\ell\ell+\barp$ events in $p\barp$ collisions at $\sqrts$ = 1.96 TeV

CDF Collaboration, Victoria Martin

Research output: Contribution to journalArticlepeer-review

Abstract

We present a search for exclusive Z boson production in proton-antiproton collisions at sqrt(s) = 1.96 TeV, using the CDF II detector at Fermilab. We observe no exclusive Z->ll candidates and place the first upper limit on the exclusive Z cross section in hadron collisions, sigma(exclu) <0.96 pb at 95% confidence level. In addition, we observe eight candidate exclusive dilepton events from the quantum electrodynamic process ppbar->gammagamma->p+ll+pbar, and measure the cross section for M(ll) > 40 GeV/c2 and
Original languageEnglish
JournalPhysical Review Letters
Volume102
DOIs
Publication statusPublished - 2009

Keywords

  • hep-ex

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