162 Result(s)
within
**n-Hao Li
Physics
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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 AccessAmplitude analysis of the \( {\Lambda}_{\textrm{b}}^0\to {\textrm{pK}}^{-}\upgamma \) decay
The resonant structure of the radiative decay Λ b 0 ...
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Article
Stabilization of HEPS linac microwave system
The linac of the High Energy Photon Source has been commissioned. The low-level RF (LLRF) control system for the linac has been developed using MicroTCA.4-based technologies to maintain high stability of beam ...
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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 ...
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Article
Stepped-up development of accelerator mass spectrometry method for the detection of 60Fe with the HI-13 tandem accelerator
The Moon provides a unique environment for investigating nearby astrophysical events such as supernovae. Lunar samples retain valuable information from these events, via detectable long-lived “fingerprint” rad...
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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 ...
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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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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
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Article
Dynamical switchable quantum nonreciprocity induced by off-resonant chiral two-photon driving
Optical nonreciprocity, which refers to the direction-dependent emission, scattering and absorption of photons, plays a very important role in quantum engineering and quantum information processing. Here, we p...
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Article
Super-stealth dicing of transparent solids with nanometric precision
Laser cutting of semiconductor wafers and transparent dielectrics has become a dominant process in manufacturing industries, encompassing a wide range of applications from display panels to microelectronic chi...
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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 \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) decays and measurement of the branching fraction ratio \({\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {\psi {(2S)}} {{\pi } ^+} )/{\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\pi } ^+} )\)
The first search for nonresonant \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) ...
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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 ...
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Article
Open AccessErratum to: Measurement of the \( {\Lambda}_c^{+} \) to D0 production ratio in peripheral PbPb collisions at \( \sqrt{s_{NN}} \) = 5.02 TeV
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Article
Open AccessObservation of the \( {B}_c^{+}\to J/\psi {\pi}^{+}{\pi}^0 \) decay
The first observation of the B c + ...
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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 ...
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Article
Open AccessErratum to: Search for CP violation in the phase space of D0 → π−π+π0 decays with the energy test
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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 → ...
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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 ...
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Article
Open AccessA von-Neumann-like photonic processor and its application in studying quantum signature of chaos
Photonic quantum computation plays an important role and offers unique advantages. Two decades after the milestone work of Knill-Laflamme-Milburn, various architectures of photonic processors have been propose...
