Search for a resonance decaying into WZ boson pairs in $p\bar{p}$ collisions

Details Search for a resonance decaying into WZ boson pairs in $p\bar{p}$ collisions Search for a resonance decaying into WZ boson pairs in $p\bar{p}$ collisions

2009-12-03

arxiv.org/abs/0912.0715v3

Phys.Rev.Lett.104:061801,2010

Physics

High Energy Physics

High Energy Physics - Experiment

Updated to reflect published version

Scientific paper

10.1103/PhysRevLett.104.061801

We present the first search for an electrically charged resonance $W^\prime$ decaying to a WZ boson pair using 4.1 fb$^{-1}$ of integrated luminosity collected with the D0 detector at the Fermilab Tevatron $p\bar{p}$ collider. The WZ pairs are reconstructed through their decays into three charged leptons ($\ell=e,\mu$). A total of 9 data events is observed in good agreement with the background prediction. We set 95% C.L. limits on the W'WZ coupling and on the W' production cross section multiplied by the branching fractions. We also exclude W' masses between 188 and 520 GeV within a simple extension of the standard model and set the most restrictive limits to date on low-scale technicolor models.

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