Search for new physics in the lepton plus missing transverse momentum final state in proton-proton collisions at 13 TeV center-of-mass energy - INSPIRE

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Search for new physics in the lepton plus missing transverse momentum final state in proton-proton collisions at 13 TeV center-of-mass energy

CMS

Collaboration

2021

24 pages

Published: 2021

Report number:

CMS-PAS-EXO-19-017,
CMS-PAS-EXO-19-017

Experiments:

CERN-LHC-CMS,
CERN-LHC-CMS

View in:

CERN Document Server

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Abstract: (CDS)

A search for physics beyond the standard model in final states with an electron, or muon, and missing transverse momentum is presented. The analysis uses data from proton-proton collisions at 13 TeV center-of-mass energy, collected with the CMS detector at the LHC in 2016, 2017, and 2018 corresponding to a total integrated luminosity of

137~\mathrm{fb}^{-1}

. No significant deviation from the standard model prediction is observed. Model-independent limits are set on the production cross section of

W'

bosons decaying into lepton plus neutrino final states. This analysis also sets limits on the parameters of other new physics models. The best exclusion limit obtained is 5.7 TeV at

95\%

confidence level on the mass of a sequential standard model

W'

boson with standard-model-like couplings and comes from combining electron and muon decay channels. Results on oblique electroweak parameters, in particular on the

W

parameter, are also presented, for the first time using LHC data.

Note:

Preliminary results •
Preliminary results

Monte-Carlo
p p: colliding beams
transverse momentum: missing-energy
p p: scattering
W': mass: lower limit
new physics: search for
neutrino: final state
muon: final state
CERN LHC Coll
electron: final state

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