Yu Meng

activity

20172026

most citedThree-particle bound states in a finite volume: unequal masses and higher partial waves

38 citations · 95 across the 17 of their papers we have counts for

collaborators

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17 papers · 1 filter

hep-lat2026

Radiative decay of heavy-light mesons from lattice QCD

Wen-Zheng Hou, Nan Wang, Long-Cheng Gui +4

We present the first systematic study of the radiative decays of charmed mesons using $2 + 1$ -flavor clover fermion gauge ensembles generated by the CLQCD collaboration. One of the e…

hep-lat2026

Lattice determination of the neutrino background for $J / ψ \to γ + invisible$

Yu Meng, Ning Li, Chuan Liu +3

Searching for dark matter is a primary goal of modern astronomy and particle physics. Invisible decays of heavy quarkonia are particularly promising for probing light dark matter,…

hep-lat2025

Form factors of the $D_{s} \to ϕ ℓ ν_{ℓ}$ semileptonic decay with (2+1)-flavor lattice QCD

Gaofeng Fan, Yu Meng, Chuan Liu +5

We present a systematic lattice calculation of the vector and axial vector form factors $V$ and $A_{i} (i = 0, 1, 2)$ for the $D_{s} \to ϕ ℓ ν_{ℓ}$ semileptonic decay using (2+1)-flavor…

hep-lat2025★ 3 cited

Construction of general $N$ -body lattice operators with arbitrary momenta

Haobo Yan, Chuan Liu, Liuming Liu +1

We present a systematic method for constructing lattice QCD operators for systems of an arbitrary number of particles with arbitrary momentum, spin, and internal quantum numbers. E…

hep-lat2024

Charmed meson masses and decay constants in the continuum from the tadpole improved clover ensembles

Hai-Yang Du, Bolun Hu, Mengchu Cai +10

We present the determination of the charm quark mass, the masses, and decay constants of charmed mesons using thirteen 2+1 flavor gauge ensembles at five different lattice spacings…

hep-lat2024★ 10 cited

First lattice QCD calculation of $J / ψ$ semileptonic decay containing $D$ and $D_{s}$ particles

Yu Meng, Jin-Long Dang, Chuan Liu +4

We perform the first lattice calculation on the semileptonic decay of $J / ψ$ using the (2+1)-flavor Wilson-clover gauge ensembles generated by CLQCD collaboration. Three gauge ensem…

hep-lat2024

Pion mass dependence in $D π$ scattering and the $D_{0}^{*} (2300)$ resonance from lattice QCD

Haobo Yan, Chuan Liu, Liuming Liu +2

Lattice QCD results for isospin $I = \frac{1}{2}$ $D π$ scattering are presented. Utilizing a series of $N_{f} = 2 + 1$ Wilson-Clover ensembles with pion masses of $m_π\approx 132,…

hep-lat2024

Lattice QCD calculation of the $D_{s}^{*}$ radiative decay with (2+1)-flavor Wilson-clover ensembles

Yu Meng, Jin-Long Dang, Chuan Liu +4

We perform a lattice calculation on the radiative decay of $D_{s}^{*}$ using the (2+1)-flavor Wilson-clover gauge ensembles generated by CLQCD collaboration. A method allowing us to ca…

hep-lat2023

Isospin- $\frac{1}{2}$ $D π$ scattering and the $D_{0}^{*}$ resonance

Haobo Yan, Chuan Liu, Liuming Liu +2

Preliminary lattice QCD results for $D π$ scattering in isospin $I = \frac{1}{2}$ channel are presented. Utilizing the $N_{f} = 2 + 1$ Wilson-Clover configuration at two volumes ($L^3 \time…

hep-lat2023

Lattice QCD calculation of the invisible decay $J / ψ \to γ ν ν ˉ$

Yu Meng

In this work, we present the first lattice QCD study on the invisible decay $J / ψ \to γ ν ν ˉ$ . The calculation is accomplished using $N_{f} = 2$ twisted mass fermion ensembles.…

hep-lat2021

Lattice calculation of $χ_{c 0} \to 2 γ$ decay width

Zuoheng Zou, Yu Meng, Chuan Liu

We perform a lattice QCD calculation of the $χ_{c 0} \to 2 γ$ decay width using a model-independent method which does not require a momentum extrapolation of the correspondin…

hep-lat2021★ 1 cited

A new method for a lattice calculation of $η_{c} \to 2 γ$

Yu Meng

We propose a direct method to calculate the decay width of a hadron decaying to two photons, which is conventionally obtained by an extrapolation for various off-shell form factors…

hep-lat2021★ 17 cited

First-principle calculation of $η_{c} \to 2 γ$ decay width from lattice QCD

Yu Meng, Xu Feng, Chuan Liu +2

We perform a lattice QCD calculation of the $η_{c} \to 2 γ$ decay width using a model-independent method that requires no momentum extrapolation of the off-shell form factors. This meth…

hep-lat2020★ 11 cited

Ward Identity of the Vector Current and the Decay Rate of $η_{c} \to γ γ$ in Lattice QCD

Chuan Liu, Yu Meng, Ke-Long Zhang

Using a recently proposed method arXiv:1910.11597 (Yu Meng et al.), we study the two-photon decay rate of $η_{c}$ using two $N_{f} = 2$ twisted mass gauge ensembles with lattice spacings…

hep-lat2020★ 9 cited

A Lattice Study of the Two-photon Decay Widths for Scalar and Pseudo-scalar Charmonium

Ying Chen, Ming Gong, Ning Li +7

In this exploratory study, two photon decay widths of pseudo-scalar ( $η_{c}$ ) and scalar ( $χ_{c 0}$ ) charmonium are computed using two ensembles of $N_{f} = 2$ twisted mass lattice QCD ga…

hep-lat2019★ 6 cited

Three Photon Decay of $J / ψ$ from Lattice QCD

Yu Meng, Chuan Liu, Ke-Long Zhang

Three photon decay rate of $J / ψ$ is studied using two $N_{f} = 2$ twisted mass gauge ensembles with lattice spacings $a ≃ 0.085$ fm (I) and $0.067$ fm(II). Using a new method, only…

hep-lat2017★ 38 cited

Three-particle bound states in a finite volume: unequal masses and higher partial waves

Yu Meng, Chuan Liu, Ulf-G. Meißner +1

An explicit expression for the finite-volume energy shift of shallow three-body bound states for non-identical particles is obtained in the unitary limit. The inclusion of the high…

Radiative decay of heavy-light mesons from lattice QCD

Lattice determination of the neutrino background for J/ψ→γ+invisible

Form factors of the Ds​→ϕℓνℓ​ semileptonic decay with (2+1)-flavor lattice QCD

Construction of general N-body lattice operators with arbitrary momenta

Charmed meson masses and decay constants in the continuum from the tadpole improved clover ensembles

First lattice QCD calculation of J/ψ semileptonic decay containing D and Ds​ particles

Pion mass dependence in Dπ scattering and the D0∗​(2300) resonance from lattice QCD

Lattice QCD calculation of the Ds∗​ radiative decay with (2+1)-flavor Wilson-clover ensembles

Isospin-21​ Dπ scattering and the D0∗​ resonance

Lattice QCD calculation of the invisible decay J/ψ→γννˉ

Lattice calculation of χc0​→2γ decay width

A new method for a lattice calculation of ηc​→2γ

First-principle calculation of ηc​→2γ decay width from lattice QCD

Ward Identity of the Vector Current and the Decay Rate of ηc​→γγ in Lattice QCD

A Lattice Study of the Two-photon Decay Widths for Scalar and Pseudo-scalar Charmonium

Three Photon Decay of J/ψ from Lattice QCD

Three-particle bound states in a finite volume: unequal masses and higher partial waves

Lattice determination of the neutrino background for $J / ψ \to γ + invisible$

Form factors of the $D_{s} \to ϕ ℓ ν_{ℓ}$ semileptonic decay with (2+1)-flavor lattice QCD

Construction of general $N$ -body lattice operators with arbitrary momenta

First lattice QCD calculation of $J / ψ$ semileptonic decay containing $D$ and $D_{s}$ particles

Pion mass dependence in $D π$ scattering and the $D_{0}^{*} (2300)$ resonance from lattice QCD

Lattice QCD calculation of the $D_{s}^{*}$ radiative decay with (2+1)-flavor Wilson-clover ensembles

Isospin- $\frac{1}{2}$ $D π$ scattering and the $D_{0}^{*}$ resonance

Lattice QCD calculation of the invisible decay $J / ψ \to γ ν ν ˉ$

Lattice calculation of $χ_{c 0} \to 2 γ$ decay width

A new method for a lattice calculation of $η_{c} \to 2 γ$

First-principle calculation of $η_{c} \to 2 γ$ decay width from lattice QCD

Ward Identity of the Vector Current and the Decay Rate of $η_{c} \to γ γ$ in Lattice QCD

Three Photon Decay of $J / ψ$ from Lattice QCD