241 Result(s)
within
**n-Cai Yang
English
Elementary Particles, Quantum Field Theory
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Article
Open AccessSearch for the \( {B}_s^0 \) → μ+μ−γ decay
A search for the fully reconstructed B s 0 ...
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Article
Open AccessMeasurements of electroweak W±Z boson pair production in association with two jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Measurements of integrated and differential cross-sections for electroweak W±Z production in association with two jets (W±Zjj) in proton-proton collisions are presented. The data collected by the ATLAS detector a...
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Open AccessSearch for long-lived heavy neutrinos in the decays of B mesons produced in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for long-lived heavy neutrinos (N) in the decays of B mesons produced in proton-proton collisions at ...
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Article
Open AccessSearch for heavy neutral leptons in final states with electrons, muons, and hadronically decaying tau leptons in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for heavy neutral leptons (HNLs) of Majorana or Dirac type using proton-proton collision data at ...
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Article
Open AccessSearch for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at \( \sqrt{\textrm{s}} \) = 13 TeV
A search is presented for the decay of the 125 GeV Higgs boson (H) to a pair of new light pseudoscalar bosons (a), followed by the prompt decay of each a boson to a bottom quark-antiquark pair,
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Article
Open AccessA measurement of ∆Γs
Using a dataset corresponding to 9 fb−1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes ...
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Open AccessLight-flavor particle production in high-multiplicity pp collisions at \( \sqrt{\textrm{s}} \) = 13 TeV as a function of transverse spherocity
Results on the transverse spherocity dependence of light-flavor particle production (π, K, p, ϕ, K*0,
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Article
Open AccessElectron and photon efficiencies in LHC Run 2 with the ATLAS experiment
Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS ex...
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Open AccessSearch for electroweak production of supersymmetric particles in final states with two τ-leptons in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
Three searches for the direct production of τ-sleptons or charginos and neutralinos in final states with at least two hadronically decaying τ-leptons are presented. For chargino and neutralino production, decays ...
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Article
Open AccessMeasurement of the branching fraction of B0 → J/ψπ0 decays
The ratio of branching fractions between B0 → J/ψπ0 and B+ → J/ψK*+ decays is measured with proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The ...
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Article
Open AccessSearch for long-lived particles decaying to final states with a pair of muons in proton-proton collisions at \( \sqrt{s} \) = 13.6 TeV
An inclusive search for long-lived exotic particles (LLPs) decaying to final states with a pair of muons is presented. The search uses data corresponding to an integrated luminosity of 36.6 fb−1 collected by the ...
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Open AccessMeasurement of inclusive charged-particle jet production in pp and p-Pb collisions at \( \sqrt{s_{\textrm{NN}}} \) = 5.02 TeV
Measurements of inclusive charged-particle jet production in pp and p-Pb collisions at center-of-mass energy per nucleon-nucleon collision ...
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Open AccessA search for R-parity-violating supersymmetry in final states containing many jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for R-parity-violating supersymmetry in final states with high jet multiplicity is presented. The search uses 140 fb−1 of proton-proton collision data at
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Open AccessA precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at \(\sqrt{s}=8\) TeV
This paper presents for the first time a precise measurement of the production properties of the Z boson in the full phase space of the decay leptons. This is in contrast to the many previous precise unfolded mea...
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Open AccessSearch for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a Z boson in the \( {\ell}^{+}{\ell}^{-}t\overline{t} \) and \( \nu \overline{\nu}b\overline{b} \) final states using 140 fb−1 of data collected with the ATLAS detector
A search for a heavy CP-odd Higgs boson, A, decaying into a Z boson and a heavy CP-even Higgs boson, H, is presented. It uses the full LHC Run 2 dataset of pp collisions at
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Article
Open AccessA model-independent measurement of the CKM angle γ in partially reconstructed B± → D*h± decays with D → \( {K}_S^0 \) h+h− (h = π, K)
A measurement of CP-violating observables in B± → D*K± and B± → D*π± decays is made where the photon or neutral pion from the D* → Dγ or D* → Dπ0 decay is not reconstructed. The D meson is reconstructed in the se...
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Article
Open AccessA search for rare B → Dμ+μ− decays
A search for rare B → Dμ+μ− decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. No significant signals are observed in the...
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Article
Open AccessMeasurement of the \(H \rightarrow \gamma \gamma \) and \(H \rightarrow ZZ^* \rightarrow 4 \ell \) cross-sections in pp collisions at \(\sqrt{s}=13.6\) TeV with the ATLAS detector
The inclusive Higgs boson production cross-section is measured in the di-photon and the \(ZZ^* \rightarrow 4 \ell \) ...
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Article
Open AccessCharged-particle production as a function of the relative transverse activity classifier in pp, p–Pb, and Pb–Pb collisions at the LHC
Measurements of charged-particle production in pp, p–Pb, and Pb–Pb collisions in the toward, away, and transverse regions with the ALICE detector are discussed. These regions are defined event-by-event relativ...
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Article
Open AccessSearch for flavour-changing neutral tqH interactions with H → γγ in pp collisions at \( \sqrt{s} \) = 13 TeV using the ATLAS detector
A search for flavour-changing neutral interactions involving the top quark, the Higgs boson and an up-type quark q (q = c, u) is presented. The proton-proton collision data set used, with an integrated luminosity...
