Search for a heavy resonance decaying into a top quark and a W boson in the lepton+jets final state at 13 TeV - INSPIRE

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Search for a heavy resonance decaying into a top quark and a W boson in the lepton+jets final state at 13 TeV

CMS

Collaboration

2021

16 pages

Published: 2021

Report number:

CMS-PAS-B2G-20-010

Experiments:

CERN-LHC-CMS,
CERN-LHC-CMS

View in:

CERN Document Server

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Abstract: (CDS)

A search for a heavy resonance decaying into a top quark and a W boson in proton-proton collisions at

\sqrt{s}=13~\mathrm{TeV}

is presented. The data analyzed were recorded with the CMS detector at the LHC and correspond to an integrated luminosity of

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

. The search is performed in the lepton+jets final state, where the lepton is either an electron or muon. The top quark is reconstructed with a single jet and the W boson from its decay into a charged lepton and a neutrino. A top quark tagging technique based on a jet clustering with variable distance parameter and inherent jet grooming is used to identify jets from the collimated top quark decay. An excited bottom quark

\mathrm{b}^\ast

model is used as a benchmark. A combination with an analysis in the all-hadronic final state is performed. At

95\%

confidence level,

\mathrm{b}^\ast

masses up to 2.95, 3.03 and 3.22 TeV are excluded for left-handed, right-handed and vector-like couplings, respectively.

Note:

Preliminary results

Monte-Carlo
p p: colliding beams
resonance: production
jet: final state
resonance: heavy
top: decay
W: leptonic decay
p p: scattering
CERN LHC Coll
bottom: excited state

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