Analysis of double-J/ψ production in Z decay at next-to-leading-order QCD accuracy

C Li, Z Sun, GY Zhang - Journal of High Energy Physics, 2023 - Springer
A bstract In this article, we study in detail the double-J/ψ yield through Z decay at the next-to-
leading-order (NLO) QCD accuracy within the nonrelativistic QCD factorization. At the tree …

Search for Higgs boson decays into Z and J/ψ and for Higgs and Z boson decays into J/ψ or Y pairs in pp collisions at s= 13 TeV

A Tumasyan, W Adam, JW Andrejkovic, T Bergauer… - Physics Letters B, 2023 - Elsevier
Decays of the Higgs boson into a Image 1 boson and a Image 2 or Image 3 meson are
searched for in four-lepton final states with the CMS detector at the LHC. A data set of proton …

Searches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb of ATLAS  TeV proton–proton collision data

G Aad, B Abbott, DC Abbott, K Abeling, SH Abidi… - The European Physical …, 2023 - Springer
Searches for the exclusive decays of Higgs and Z bosons into a vector quarkonium state and
a photon are performed in the μ+ μ-γ final state with a proton–proton collision data sample …

Observation of triple J/ψ meson production in proton-proton collisions

A Tumasyan, W Adam, JW Andrejkovic… - Nature …, 2023 - avesis.ebyu.edu.tr
Protons consist of three valence quarks, two up-quarks and one down-quark, held together
by gluons and a sea of quark-antiquark pairs. Collectively, quarks and gluons are referred to …

QCD one-loop correction to Higgs boson decay into quarkonium pairs

IN Belov, AV Berezhnoy, EA Leshchenko, AK Likhoded - Physical Review D, 2023 - APS
Rare decays of the Higgs boson into quarkonia pairs are studied within the framework of
nonrelativistic QCD approach. The main decay mechanisms and their interference are …

Bounds on CP-violating Higgs-gluon interactions: the case of vanishing light-quark Yukawa couplings

U Haisch, A Hala - Journal of High Energy Physics, 2019 - Springer
A bstract We investigate CP-violating interactions involving the Higgs boson and gluons
within an effective field theory approach, focusing on the specific class of new-physics …

Observation of double meson production in collisions at

A Hayrapetyan, A Tumasyan, W Adam, JW Andrejkovic… - Physical Review D, 2024 - APS
The first observation of the concurrent production of two J/ψ mesons in proton-nucleus
collisions is presented. The analysis is based on a proton-lead (p Pb) data sample recorded …

Searches for exclusive Higgs and boson decays into a vector quarkonium state and a photon using fb of ATLAS TeV protonproton collision data

ATLAS collaboration - arxiv preprint arxiv:2208.03122, 2022 - arxiv.org
Searches for the exclusive decays of Higgs and $ Z $ bosons into a vector quarkonium state
and a photon are performed in the $\mu^+\mu^-\gamma $ final state with a proton $-$ proton …

Observation of triple J/ψ meson production in proton-proton collisions

Nature Physics, 2023 - nature.com
Protons consist of three valence quarks, two up-quarks and one down-quark, held together
by gluons and a sea of quark-antiquark pairs. Collectively, quarks and gluons are referred to …

Searches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb^{-1} of ATLAS\sqrt {s}= 13 TeV proton–proton collision …

N Konstantinidis… - … Physical Journal C …, 2023 - discovery.ucl.ac.uk
Searches for the exclusive decays of Higgs and Z bosons into a vector quarkonium state and
a photon are performed in the\mu^+\mu^-\,\gamma final state with a proton–proton collision …