PoS - Proceedings of Science
Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Poster Session
Search for new resonances in the merged jet + dilepton final state in CMS
J. Vargas* on behalf of the CMS collaboration
*corresponding author
Full text: pdf
Pre-published on: February 06, 2017
Published on: April 19, 2017
Abstract
The standard model of elementary particles has been experimentally tested by a long series of high energy experiments, amongst which the latest is the LHC at CERN. This analysis is based on proton-proton collision data collected by the CMS experiment in 2015 corresponding to an integrated luminosity of 2.7 fb$^{-1}$ delivered by the LHC operating at centre-of-mass energy of 13 TeV. The channel under study involves the production of a resonance $X$ followed by the decay $X \rightarrow$ ZV $\rightarrow \ell^{+}\ell^{-} +$ jet, where V $=$ W, Z and $\ell=\mu,\, e$. Upper limits at 95\% confidence level are set for the production cross section of $X$ decaying to a pair of Z bosons as function of the resonance mass. The results are interpreted in the context of the Randall-Sundrum warped extra dimensions model in the mass range between 550 -- 2500 GeV. A localized excess at 650 GeV is observed in the data with global significance of 3.5 $\sigma$.
DOI: https://doi.org/10.22323/1.282.0757
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