A search for high-mass resonances decaying to dimuons at CDF

Abstract

We present a search for high-mass neutral resonances using dimuon data corresponding to an integrated luminosity of 2.3 fb${}^{-1}$ collected in {$p\bar{p}$} collisions at {$\sqrt{s}$ = 1.96 TeV} by the CDF II detector at the Fermilab Tevatron. No significant excess above the standard model expectation is observed in the dimuon invariant-mass spectrum. We set 95% confidence level upper limits on $\sigma \cdot BR(p\bar{p}\to X\to \mu \bar{\mu })$, where $X$ is a boson with spin 0, 1, or 2. Using these cross section limits, we determine lower mass limits on sneutrinos in R-parity-violating supersymmetric models, $Z^{\prime }$ bosons, and Kaluza-Klein gravitons in the Randall-Sundrum model.

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• Search for Z'--> e^+e^- Using Dielectron Mass and Angular Distribution
• Search for New Physics in High Mass Electron-Positron Events in ppbar Collisions at sqrt(s) = 1.96 TeV
• Search for High-Mass \boldmath$e^{+}{e}^{-}$ Resonances in \boldmath$p\bar{p}$ Collisions at \boldmath$\sqrt{s}=$1.96 TeV
• First Run II Measurement of the W Boson Mass
• Search for Randall-Sundrum gravitons with 1 fb-1 of data from ppbar collisions at sqrt(s)=1.96 TeV
• Search for a High-Mass Diphoton State and Limits on Randall-Sundrum Gravitons at CDF
• QCD corrections to the R-parity violating processes $p\bar{p}/pp\to e\mu +X$ at hadron colliders

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