267 Result(s)
within
J. He
Quantum Physics
-
Article
Open AccessAmplitude analysis of the \( {\Lambda}_{\textrm{b}}^0\to {\textrm{pK}}^{-}\upgamma \) decay
The resonant structure of the radiative decay Λ b 0 ...
-
Article
Open AccessMeasurements of the branching fraction ratio \( \mathcal{B}\left(\phi \to {\mu}^{+}{\mu}^{-}\right)/\mathcal{B}\left(\phi \to {\textrm{e}}^{+}{\textrm{e}}^{-}\right) \) with charm meson decays
Measurements of the branching fraction ratio B ϕ ...
-
Article
Open AccessMeasurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at \( \sqrt{s} \) = 13 TeV
The cross-section of associated J/ψ-ψ(2S) production in proton-proton collisions at a centre-of-mass energy of ...
-
Article
Open AccessMultiplicity dependence of σψ(2S)/σJ/ψ in pp collisions at \( \sqrt{s} \) = 13 TeV
The ratio of production cross-sections of ψ(2S) over J/ψ mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy
-
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 ...
-
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 ...
-
Article
Open AccessStudy of CP violation in B0 → DK⋆(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states
A measurement of CP-violating observables associated with the interference of B0 → D0K⋆(892)0 and B ...
-
Article
Open AccessErratum to: Measurement of the \( {\Lambda}_c^{+} \) to D0 production ratio in peripheral PbPb collisions at \( \sqrt{s_{NN}} \) = 5.02 TeV
-
Article
Open AccessObservation of the \( {B}_c^{+}\to J/\psi {\pi}^{+}{\pi}^0 \) decay
The first observation of the B c + ...
-
Article
Open AccessPrompt and nonprompt ψ(2S) production in pPb collisions at \( \sqrt{s_{\textrm{NN}}} \) = 8.16 TeV
The production of ψ(2S) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of ...
-
Article
Open AccessErratum to: Search for CP violation in the phase space of D0 → π−π+π0 decays with the energy test
-
Article
Open AccessSearch for CP violation in the phase space of \( {D}^0\to {K}_S^0{K}^{\pm }{\pi}^{\mp } \) decays with the energy test
A search for CP violation in D 0 → ...
-
Article
Open AccessMeasurement of J/ψ-pair production in pp collisions at \( \sqrt{s} \) = 13 TeV and study of gluon transverse-momentum dependent PDFs
The production cross-section of J/ψ pairs in proton-proton collisions at a centre-of-mass energy of s ...
-
Article
Open AccessStudy of \( {B}_c^{+}\to {\chi}_c{\pi}^{+} \) decays
A study of B c + → ...
-
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...
-
Article
Open AccessMeasurement of the Z boson production cross-section in pp collisions at \( \sqrt{s} \) = 5.02 TeV
The first measurement of the Z boson production cross-section at centre-of-mass energy s ...
-
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...
-
Article
Open AccessMeasurement of prompt D+ and \( {D}_s^{+} \) production in pPb collisions at \( \sqrt{s_{NN}} \) = 5.02 TeV
The production of prompt D+ and D s + ...
-
Article
Open AccessMeasurement of the CKM angle γ using the B± → D*h± channels
A measurement of the CP-violating observables from B± → D*K± and B± → D*π± decays is presented, where D*(D) is an admixture of D*0 and ...
-
Article
Open AccessErratum to: Observation of the B+ → Jψη′K+ decay
