activity
20142026
most citedSelf-consistency and covariance of light-front quark models: testing via , and meson decay constants, and weak transition form factors

44 citations · 228 across the 14 of their papers we have counts for

collaborators

15 papers

hep-ph2026

Two-variable longitudinal distribution of the in a three-quark light-front model

Shuai Xu, Xiao-Nan Li

We determine a normalized two-variable longitudinal distribution of the baryon from a covariant three-quark light-front wave function. The scalar channel is select…

hep-ph2026

Light-cone Distribution Amplitudes of Vector Mesons within the Self-Consistent Light-front Quark Model

Xiao-Nan Li, Shuai Xu, Qin Chang

In this paper, we investigate the twist-2 and twist-3 light-cone distribution amplitudes (LCDAs) of vector mesons within the self-consistent light-front quark model, and the th…

hep-ph2026

Distribution Amplitudes of Pseudoscalar Mesons within the Light-Front Quark Model

Xiao-Nan Li, Shuai Xu, Qin Chang

In this paper, we investigate the distribution amplitudes (DAs) of pseudoscalar mesons within the light-front quark model (LFQM), and the -th Gegenbauer moment , -mom…

hep-ph2026

Quarkonium light-cone distribution amplitudes: twist structure and mass dependence

Shuai Xu, Xiao-Nan Li, Jin-Zhong Han +3

We present a systematic study of the leading- and next-to-leading-twist light-cone distribution amplitudes (LCDAs) of ground-state pseudoscalar and vector quarkonium within the lig…

hep-ph2025

The Electromagnetic Form Factors of Pseudoscalar Mesons within the Light-Front Quark Model

Shuai Xu, Xiao-Nan Li, Xing-Gang Wu

In this paper, we investigate the electromagnetic form factors (EMFFs) and charge radii of pseudoscalar mesons within the light-front quark model (LFQM). Using parameters derived f…

hep-ph2020★ 11 cited

Probing new physics in semileptonic and decays

Jin-Huan Sheng, Jie Zhu, Xiao-Nan Li +2

Recently, several hints of lepton non-universality have been observed in the semileptonic B meson decays in terms of both in the neutral current () and charged cu…

hep-ph2020

Study of induced decays

Qin Chang, Xiao-Lin Wang, Jie Zhu +1

In this paper, we investigate the tree-dominated ( and ) decays in the Standard Model with…

hep-ph2019★ 12 cited

Study of weak decays

Qin Chang, Yunyun Zhang, Xiaonan Li

Motivated by the rapid development of heavy flavor physics experiment, we study the tree-dominated nonleptonic ~()…

hep-ph2019★ 34 cited

Form factors of transition within the light-front quark models

Qin Chang, Li-Ting Wang, Xiao-Nan Li

In this paper, we calculate the matrix element and form factors of vector-to-vector () transition within the standard light-front~(SLF) and covariant light-front~(CLF) qu…

hep-ph2019★ 36 cited

Revisiting the form factors of transition within the light-front quark models

Qin Chang, Xiao-Nan Li, Li-Ting Wang

We investigate the self-consistency and Lorentz covariance of the covariant light-front quark model~(CLF QM) via the matrix elements and form factors~(, and $…

hep-ph2018★ 44 cited

Self-consistency and covariance of light-front quark models: testing via , and meson decay constants, and weak transition form factors

Qin Chang, Xiao-Nan Li, Xin-Qiang Li +2

In this paper, we test the self-consistencies of the standard and the covariant light-front quark model and study the zero-mode issue via the decay constants of pseudoscalar (),…

hep-ph2017★ 13 cited

Study of the weak annihilation contributions in charmless decays

Qin Chang, Xiao-Nan Li, Xin-Qiang Li +1

In this paper, in order to probe the spectator-scattering and weak annihilation contributions in charmless (where stands for a light vector meson) decays, we perfor…

hep-ph2016★ 12 cited

Fits of Weak Annihilation and Hard Spectator Scattering Corrections in Decays

Qin Chang, Xiao-Nan Li, Jun-Feng Sun +1

In this paper, the contributions of weak annihilation and hard spectator scattering in , , , and decays are investigated within the frame…

hep-ph2014★ 34 cited

Spectator Scattering and Annihilation Contributions as a Solution to the and Puzzles within QCD Factorization Approach

Qin Chang, Junfeng Sun, Yueling Yang +1

The large branching ratios for pure annihilation and decays reported by CDF and LHCb collaborations recently and the so-…

hep-ph2014★ 32 cited

A Combined Fit on the Annihilation Corrections in Decays Within QCDF

Qin Chang, Junfeng Sun, Yueling Yang +1

Motivated by the possible large annihilation contributions implied by recent CDF and LHCb measurements on nonleptonic annihilation B meson decays, and the refined experimental meas…