Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at $$ \sqrt{s} $$ = 13 TeV
transverse momentum: missing-energy
final state: ((n)jet)
LHC; CMS; Beyond Standard Model; Hadron-Hadron Scattering; Vector-Like Quarks
13000 GeV-cms
QC770-798
Z-бозоны
7. Clean energy
quark --> top Z0
quark: vector particle
PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS
Physics, Particles & Fields
High Energy Physics - Experiment
High Energy Physics - Experiment (hep-ex)
Particle and Plasma Physics
quark --> top Z0
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
quark: postulated particle
decay: width
High energy physics ; Experimental particle physics ; LHC ; CMS ; p p: scattering ; p p: colliding beams ; B: decay ; tau: hadronic decay ; interaction: gauge ; interaction: model ; transverse momentum: missing-energy ; new physics: search for ; mass spectrum: transverse ; black hole: quantum ; vector boson: mass ; W': leptonic decay ; sensitivity ; leptoquark: coupling ; CERN LHC Coll ; leptoquark: mass: lower limit ; anomaly ; channel cross section: upper limit ; effective field theory ; Higgs
info:eu-repo/classification/ddc/530
hadron-hadron scattering
beyond standard mode
0105 Mathematical Physics
CMS
neutrino: pair production
Physics
ddc:530
top: hadronic decay
Nuclear & Particles Physics
charge, 2/3
mass dependence
channel cross section: branching ratio: upper limit
vector-like quarks
CERN LHC Coll
Physical Sciences
0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
адрон-адронное рассеяние
PARTICLE PHYSICS
Beyond Standard Model; Hadron-Hadron Scattering; Vector-Like Quarks;
branching ratio
quark: decay modes
transverse momentum, missing-energy
Lorentz
p p: scattering
CERN Lab
Стандартная модель
Particles & Fields
кварки
t-кварк
quark, mass
p p, scattering
FOS: Physical sciences
Beyond Standard Model; Hadron-Hadron Scattering; Vector-Like Quarks
Hadron-hadron scattering
530
Nuclear and particle physics. Atomic energy. Radioactivity
TeV
Nuclear
Vector-like quarks
ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика
0206 Quantum Physics
quark, production
Science & Technology
Hadron-Hadron Scattering
Vector-Like Quarks
hep-ex
Molecular
LARGE HADRON COLLIDER
LHC, CMS, Beyond Standard Model, Hadron-Hadron Scattering, Vector-Like Quarks
single production
quark: mass
width
Physics and Astronomy
0202 Atomic
Z0: leptonic decay
Beyond Standard Model
Beyond standard model
p p: colliding beams
charge: 2/3
quark: production
experimental results
DOI:
10.1007/jhep05(2022)093
Publication Date:
2022-05-20T03:31:52Z
AUTHORS (2360)
ABSTRACT
Abstract
A search is presented for single production of a vector-like T quark with charge 2/3 e, in the decay channel featuring a top quark and a Z boson, with the top quark decaying hadronically and the Z boson decaying to neutrinos. The search uses data collected by the CMS experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 137 fb−1 recorded at the CERN LHC in 2016–2018. The search is sensitive to a T quark mass between 0.6 and 1.8 TeV with decay widths ranging from negligibly small up to 30% of the T quark mass. Reconstruction strategies for the top quark are based on the degree of Lorentz boosting of its final state. At 95% confidence level, the upper limit on the product of the cross section and branching fraction for a T quark of small decay width varies between 15 and 602 fb, depending on its mass. For a T quark with decay widths between 10 and 30% of its mass, this upper limit ranges between 16 and 836 fb. For most of the studied range, the results provide the best limits to date. This is the first search for single T quark production based on the full Run 2 data set of the LHC.
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