A5068943355- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Neutrino Physics Research
- Dark Matter and Cosmic Phenomena
- Rock Mechanics and Modeling
- Numerical methods in engineering
- Atomic and Subatomic Physics Research
- Particle Detector Development and Performance
- Black Holes and Theoretical Physics
- Structural Response to Dynamic Loads
- Superconducting Materials and Applications
- Structural Health Monitoring Techniques
- Contact Mechanics and Variational Inequalities
- Computational Physics and Python Applications
- Fire effects on concrete materials
- Mechanical stress and fatigue analysis
- Geotechnical Engineering and Underground Structures
- Fatigue and fracture mechanics
- Lower Extremity Biomechanics and Pathologies
- Seismic Performance and Analysis
- Grouting, Rheology, and Soil Mechanics
- High-Velocity Impact and Material Behavior
- Geotechnical Engineering and Analysis
- Shoulder and Clavicle Injuries
University of Chinese Academy of Sciences
2024-2025
Chinese Academy of Sciences
2015
Nanyang Technological University
2009-2013
Ben-Gurion University of the Negev
2012-2013
UCLouvain
1999
The <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mi>C</a:mi><a:mi>P</a:mi></a:math> asymmetry and branching fraction of the Cabibbo-Kobayashi-Maskawa-suppressed decay <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:msup><c:mi>B</c:mi><c:mo>+</c:mo></c:msup><c:mo stretchy="false">→</c:mo><c:mrow><c:mi>J</c:mi><c:mo>/</c:mo><c:mi>ψ</c:mi></c:mrow><c:msup><c:mi>π</c:mi><c:mo>+</c:mo></c:msup></c:math> are precisely measured relative to...
A study of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msubsup><a:mi mathvariant="normal">Λ</a:mi><a:mi>b</a:mi><a:mn>0</a:mn></a:msubsup></a:math> and <d:math xmlns:d="http://www.w3.org/1998/Math/MathML" display="inline"><d:msubsup><d:mi mathvariant="normal">Ξ</d:mi><d:mi>b</d:mi><d:mn>0</d:mn></d:msubsup></d:math> decays to <g:math xmlns:g="http://www.w3.org/1998/Math/MathML" display="inline"><g:mrow><g:mi...
A measurement of the time-dependent ratio <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msup><a:mi>D</a:mi><a:mn>0</a:mn></a:msup><a:mo stretchy="false">→</a:mo><a:mrow><a:msup><a:mi>K</a:mi><a:mo>+</a:mo></a:msup><a:msup><a:mi>π</a:mi><a:mo>−</a:mo></a:msup></a:mrow></a:math> to <d:math xmlns:d="http://www.w3.org/1998/Math/MathML" display="inline"><d:mrow><d:mrow><d:msup><d:mrow><d:mover accent="true"><d:mrow><d:mi>D</d:mi></d:mrow><d:mrow><d:mo...
Abstract Charged-particle trajectories are usually reconstructed with the LHCb detector using combined information from tracking devices placed upstream and downstream of 4 T m dipole magnet. Trajectories only tracker magnet, which referred to as tracks, have not been used for physics analysis date. The challenges reconstruction long-lived particles tracks use discussed solutions proposed. feasibility performance studied samples $$\varvec{\Lambda }$$ <mml:math...
A bstract The first full amplitude analysis of B + → ψ (2 S ) K π − decays is performed using proton-proton collision data corresponding to an integrated luminosity 9 fb −1 recorded with the LHCb detector. rich spectrum studied and branching fractions resonant substructure associated prominent 1 (1270) contribution are measured. cannot be described by conventional strange charmonium resonances only. An model 53 components developed comprising 11 hidden-charm exotic hadrons. New production...
The Ξ_{b}^{0(-)}→Ξ_{c}(3055)^{+(0)}(→D^{+(0)}Λ)π^{-} decay chains are observed, and the spin-parity of Ξ_{c}(3055)^{+(0)} baryons is determined for first time. measurement performed using proton-proton collision data at a center-of-mass energy sqrt[s]=13 TeV, corresponding to an integrated luminosity 5.4 fb^{-1}, recorded by LHCb experiment between 2016 2018. be 3/2^{+} with significance more than 6.5σ (3.5σ) compared all other tested hypotheses. up-down asymmetries...
A bstract An angular analysis of the $$ {B}_s^0 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>B</mml:mi> <mml:mi>s</mml:mi> <mml:mn>0</mml:mn> </mml:msubsup> </mml:math> → ϕe + e − decay is performed using proton-proton collision dataset collected between 2011 and 2018 by LHCb experiment, corresponding to an integrated luminosity 9 fb 1 at centre-of-mass energies 7, 8 13 TeV. The in very low dielectron invariant mass-squared region 0 . 0009 2615 GeV 2 /c 4...
An amplitude analysis of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:msup><a:mrow><a:mi>B</a:mi></a:mrow><a:mrow><a:mo>−</a:mo></a:mrow></a:msup><a:mo...
Lepton flavor universality in rare <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mi>b</a:mi><a:mo stretchy="false">→</a:mo><a:mi>s</a:mi></a:math> transitions is tested for the first time using <d:math xmlns:d="http://www.w3.org/1998/Math/MathML" display="inline"><d:msubsup><d:mi>B</d:mi><d:mi>s</d:mi><d:mn>0</d:mn></d:msubsup></d:math> meson decays. The measurements are performed <f:math xmlns:f="http://www.w3.org/1998/Math/MathML"...
A search for <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msup><a:mi>D</a:mi><a:mn>0</a:mn></a:msup></a:math> meson decays to the <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:msup><c:mi>π</c:mi><c:mo>+</c:mo></c:msup><c:msup><c:mi>π</c:mi><c:mo>−</c:mo></c:msup><c:msup><c:mi>e</c:mi><c:mo>+</c:mo></c:msup><c:msup><c:mi>e</c:mi><c:mo>−</c:mo></c:msup></c:math> and <e:math xmlns:e="http://www.w3.org/1998/Math/MathML"...
A bstract comprehensive study of the local and nonlocal amplitudes contributing to decay B 0 → K *0 (→ + π − ) μ is performed by analysing phase-space distribution products. The analysis based on pp collision data corresponding an integrated luminosity 8.4 fb 1 collected LHCb experiment. This measurement employs for first time a model both one-particle two-particle amplitudes, utilises complete dimuon mass spectrum without any veto regions around narrow charmonium resonances. In this way it...
A comprehensive study of the angular distributions in bottom-baryon decays Λ_{b}^{0}→Λ_{c}^{+}h^{-}(h=π,K), followed by Λ_{c}^{+}→Λh^{+} with Λ→pπ^{-} or Λ_{c}^{+}→pK_{S}^{0} decays, is performed using a data sample proton-proton collisions corresponding to an integrated luminosity 9 fb^{-1} collected LHCb experiment at center-of-mass energies 7, 8, and 13 TeV. The decay parameters associated charge-parity (CP) asymmetries are measured, no significant CP violation observed. For first time,...
Drill and blast method has been widely used as an effective excavation for underground rock caverns or tunnels. To achieve a good design, understanding on the dynamic response fragmentation process is important. In this paper, numerical simulations are performed typical parallel hole cut blasting based discontinuous deformation analysis (DDA). The loading obtained from explicit FEM code LS-DYNA of mass modeled by DDA. Different influence factors under investigated, including different delay...
Measurements are presented of the cross-section for central exclusive production J/\psi\to\mu^+\mu^- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>J</mml:mi><mml:mi>/</mml:mi><mml:mi>ψ</mml:mi><mml:mo>→</mml:mo><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>μ</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:mrow></mml:math> and \psi(2S)\to\mu^+\mu^- display="inline"><mml:mrow><mml:mi>ψ</mml:mi><mml:mo stretchy="false"...
A bstract time-dependent, flavour-tagged measurement of CP violation is performed with B 0 → D + − and $$ {B}_s^0 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>B</mml:mi> <mml:mi>s</mml:mi> <mml:mn>0</mml:mn> </mml:msubsup> </mml:math> {D}_s^{+}{D}_s^{-} <mml:mi>D</mml:mi> <mml:mo>+</mml:mo> <mml:mo>−</mml:mo> decays, using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy 13 TeV corresponding to an integrated...
Abstract A search for the very rare $$B^{*0}\rightarrow \mu ^+\mu ^-$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mmultiscripts> <mml:mi>B</mml:mi> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mn>0</mml:mn> </mml:mrow> </mml:mmultiscripts> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>μ</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>-</mml:mo> </mml:math> and $$B_{s}^{*0}\rightarrow <mml:mi>s</mml:mi> decays is conducted by analysing $$B_c^+\rightarrow \pi <mml:msubsup>...
The branching fraction ratios of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:msup><a:mrow><a:mover accent="true"><a:mrow><a:mi>B</a:mi></a:mrow><a:mrow><a:mo stretchy="false">¯</a:mo></a:mrow></a:mover></a:mrow><a:mrow><a:mn>0</a:mn></a:mrow></a:msup><a:mo...
A bstract Measurements of CP observables and the CKM angle γ are performed in B ± → DK * (892) decays, where D represents a superposition 0 $$ {\overline{D}}^0 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mover> <mml:mi>D</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mn>0</mml:mn> </mml:msup> </mml:math> states, using LHCb dataset collected during Run 1 (2011–2012) 2 (2015–2018). study this channel is presented with meson reconstructed two-body final states K π ∓...
A bstract The first measurement of ϕ (1020) meson production in fixed-target p Ne collisions at $$ \sqrt{s_{NN}} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mi>NN</mml:mi> </mml:msub> </mml:msqrt> </mml:math> = 68 . 5 GeV is presented. mesons are reconstructed their K + − decay a data sample consisting proton on neon nuclei rest, corresponding to an integrated luminosity 21 7 ± 1 4 nb , collected by the LHCb detector CERN....
A bstract measurement of the CP -violating parameters in $$ {B}_s^0\boldsymbol{\to}{D}_s^{\mp }{K}^{\pm} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>B</mml:mi> <mml:mi>s</mml:mi> <mml:mn>0</mml:mn> </mml:msubsup> <mml:mo>→</mml:mo> <mml:mi>D</mml:mi> <mml:mo>∓</mml:mo> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>±</mml:mo> </mml:msup> </mml:math> decays is reported, based on analysis proton-proton collision data collected by LHCb experiment corresponding to an...
A bstract An analysis of the flavour oscillations charmed neutral meson is presented. The ratio D 0 → K + π − and decay rates measured as a function time compared with charge-conjugated system to search for charge-parity violation. at production double-tagged by charges muon pion in preceding $$ \overline{B}\to {D}^{\ast }{(2010)}^{+}{\mu}^{-}X <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mover> <mml:mi>B</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mo>→</mml:mo>...