Yan-Jun Sun

activity

20092026

most cited

B_{(s)} \to S

transitions in the light cone sum rules with the chiral current

40 citations · 96 across the 13 of their papers we have counts for

collaborators

14 papers

hep-ph2026

$D \to π$ transitions from QCD Light-Cone Sum Rules with the chiral currents

Di Gao, Jiangshan Lan, Duojie Jia +2

We present a systematic study of the transition form factors for the semileptonic decays $D \to P e^{+} v_{e}$ and $D \to P μ^{+} v ˉ_{μ}$ using QCD light-cone sum rule…

hep-ph2026

Transition form factors for $D / B$ to $a_{0} (980)$ from light-cone QCD sum rules

Di Gao, Jiangshan Lan, Duojie Jia +2

We apply the light-cone QCD sum rules with chiral currents to compute transition form factors of the semileptonic decay of the charmed and bottom scalar mesons $D / B$ to $a_{0}(980)…

hep-ph2025

$B \to P P$ decays with Light-Cone Sum Rules

Yuanyuan Ma, Yan-jun Sun

We study factorizable contributions to two-body nonleptonic decays of $B$ mesons using the light-cone sum rule method. By constructing three-point correlation functions and incorpo…

hep-ph2025

Radiative Decays of Vector Mesons with Light-Cone Sum Rules

Zhi Jun Wang, Di Gao, Kai Kai Zhang +2

Hadronic electromagnetic form factors and radiative decay properties offer a crucial window into the nonperturbative dynamics of Quantum chromodynamics (QCD). In this work, we empl…

hep-ph2025

Study on the Distribution Amplitude of the Scalar Meson $K_{0}^{*} (1430)$

Chen Wang, Yuanyuan Ma, Zhijun Wang +1

Based on sum rules, we explore the twist-2 distribution amplitude of the $K_{0}^{*} (1430)$ meson, treating it as the ground state of a quark-antiquark system. We posit that the spaceti…

hep-ph2024

Twist-2 distribution amplitudes of $a_{0} (980)$ and $a_{0} (1450)$

Wei Hong, Di Gao, Yanjun Sun

We investigate the twist-2 distribution amplitudes of the scalar mesons $a_{0} (980)$ and $a_{0} (1450)$ in the two-quark picture. The moments of these scalar mesons are obtained up…

hep-ph2022★ 4 cited

Family Non-universal $Z^{'}$ Effects on $B_{d, s} \to K^{* 0} K^{* 0}$ Decays in Perturbative QCD Approach

Ying Li, Guo-Hua Zhao, Yan-Jun Sun +1

The nonleptonic decays $B_{d, s} \to K^{* 0} K^{* 0}$ are reanalyzed in perturbative QCD approach, which is based on the $k_{T}$ factorization. In the standard model,…

hep-ph2021★ 1 cited

Study of form factors and branching ratios for $D \to S, A l ν_{l} ˉ$ with light-cone sum rules

Qi Huang, Yan-Jun Sun, Di Gao +3

We systematically study the semileptonic decay process of $D \to S, A l ν_{l} ˉ (l = e, μ)$ by light-cone sum rules (LCSR) with chiral currents, calculate the form factors co…

hep-ph2020★ 10 cited

Masses of doubly heavy tetraquarks $QQ n ˉ q ˉ$ with $J^{P} = 1^{+}$

Di Gao, Duojie Jia, Yan-Jun Sun

We apply the method of QCD sum rules to study the doubly heavy tetraquark states $QQ q ˉ n ˉ$ with spin-parity $J^{P} = 1^{+}$ and strangeness $S = 0, - 1$ using careful estimates…

hep-ph2019★ 7 cited

Study of the radiative decay $J / ψ \to η_{c} + γ$ in light cone sum rules

Song-Pei Guo, Yan-Jun Sun, Wei Hong +2

At present, there are many experimental and theoretical results for $J / ψ \to η_{c} + γ$ process, while the results are inconsistent based on different methods and consideration…

hep-ph2019★ 1 cited

The Excited Charmonium Production in $e^{+} e^{-}$ Annihilation

Han-Jie Tao, Yan-Jun Sun, Song-Pei Guo +2

We calculate the form factor and cross section of the excited charmonium production process $e^{+} + e^{-} \to ψ (2 S) + η_{c}$ by light-cone sum rules. In our meth…

hep-ph2011★ 10 cited

$B \to A$ transitions in the light-cone QCD sum rules with the chiral current

Yan-Jun Sun, Zhi-Gang Wang, Tao Huang

In this article, we calculate the form-factors of the transitions $B \to a_{1} (1260)$ , $b_{1} (1235)$ in the leading-order approximation using the light-cone QCD sum rules. In calculat…

hep-ph2010★ 40 cited

$B_{(s)} \to S$ transitions in the light cone sum rules with the chiral current

Yan-Jun Sun, Zuo-Hong Li, Tao Huang

$B_{(s)}$ semi-leptonic decays to the light scalar meson, $B_{(s)} \to S l ν ˉ_{l}, S l l ˉ (l = e, μ, τ)$ , are investigated in the QCD light-cone sum rules (LCSR) with chiral cur…

hep-ph2009★ 23 cited

The cross section of the process $e^{+} + e^{-} \to J / ψ + η_{c}$ within the QCD light-cone sum rules

Yan-Jun Sun, Xing-Gang Wu, Fen Zuo +1

We calculate the cross section of the exclusive process $e^{+} + e^{-} \to J / ψ + η_{c}$ at the leading order approximation within the QCD light-cone sum rules (LCSR) approach. It is foun…

D→π transitions from QCD Light-Cone Sum Rules with the chiral currents

Transition form factors for D/B to a0​(980) from light-cone QCD sum rules

B→PP decays with Light-Cone Sum Rules

Radiative Decays of Vector Mesons with Light-Cone Sum Rules

Study on the Distribution Amplitude of the Scalar Meson K0∗​(1430)

Twist-2 distribution amplitudes of a0​(980) and a0​(1450)

Family Non-universal Z′ Effects on Bd,s​→K∗0K∗0 Decays in Perturbative QCD Approach

Study of form factors and branching ratios for D→S,Alνl​ˉ​ with light-cone sum rules

Masses of doubly heavy tetraquarks QQnˉqˉ​ with JP=1+

Study of the radiative decay J/ψ→ηc​+γ in light cone sum rules

The Excited Charmonium Production in e+e− Annihilation

B→A transitions in the light-cone QCD sum rules with the chiral current

B(s)​→S transitions in the light cone sum rules with the chiral current

The cross section of the process e++e−→J/ψ+ηc​ within the QCD light-cone sum rules

$D \to π$ transitions from QCD Light-Cone Sum Rules with the chiral currents

Transition form factors for $D / B$ to $a_{0} (980)$ from light-cone QCD sum rules

$B \to P P$ decays with Light-Cone Sum Rules

Study on the Distribution Amplitude of the Scalar Meson $K_{0}^{*} (1430)$

Twist-2 distribution amplitudes of $a_{0} (980)$ and $a_{0} (1450)$

Family Non-universal $Z^{'}$ Effects on $B_{d, s} \to K^{* 0} K^{* 0}$ Decays in Perturbative QCD Approach

Study of form factors and branching ratios for $D \to S, A l ν_{l} ˉ$ with light-cone sum rules

Masses of doubly heavy tetraquarks $QQ n ˉ q ˉ$ with $J^{P} = 1^{+}$

Study of the radiative decay $J / ψ \to η_{c} + γ$ in light cone sum rules

The Excited Charmonium Production in $e^{+} e^{-}$ Annihilation

$B \to A$ transitions in the light-cone QCD sum rules with the chiral current

$B_{(s)} \to S$ transitions in the light cone sum rules with the chiral current

The cross section of the process $e^{+} + e^{-} \to J / ψ + η_{c}$ within the QCD light-cone sum rules