Chao Wang

activity

20172026

b \to c τ ν

Transitions

107 citations · 389 across the 18 of their papers we have counts for

collaborators

Showing hep-phShow all

18 papers · 1 filter

hep-ph2026

The $H^{} H^{} V$ couplings from light-cone sum rules

Chao Wang

We present a determination of the strong charge couplings $g_{H^{*} H^{*} V}$ and magnetic couplings $f_{H^{*} H^{*} V}$ (with $H \in {D, B}$ and $V \in {ρ, ω, K^{*}, ϕ}$ ) using the framewor…

hep-ph2026

The $D^{} D^{} π$ and $B^{} B^{} π$ couplings from light-cone sum rules

Chao Wang

We revisit the calculation of the strong couplings $D^{*} D^{*} π$ and $B^{*} B^{*} π$ from the light-cone sum rules (LCSR) using the pion light-cone distribution amplitudes. The accur…

hep-ph2023

QCD factorization for the $B \to γ ℓ ν_{ℓ}$ decay beyond leading power

Bo-Yan Cui, Yue-Long Shen, Chao Wang +1

The radiative leptonic $B \to γ ℓ ν_{ℓ}$ decay serves as an ideal platform to determine the $B$ -meson inverse moment which is a fundamental nonperturbative parameter for the $B$ …

hep-ph2023

Resonance contributions from $χ_{c 0}$ in the charmless three-body hadronic $B$ meson decays

Ya-Lan Zhang, Chao Wang, Yi Lin +1

Within the framework of perturbative QCD factorization, we investigate the nonfactorizable contributions to these factorization-forbidden Quasi-two-body decays $B_{(s)}\rightarrow…

hep-ph2022★ 44 cited

Precision calculations of $B_{d, s} \to π, K$ decay form factors in soft-collinear effective theory

Bo-Yan Cui, Yong-Kang Huang, Yue-Long Shen +2

We improve QCD calculations of the $B_{d, s} \to π, K$ form factors at large hadronic recoil by implementing the next-to-leading-logarithmic resummation for the obtained leading-po…

hep-ph2022

Deciphering the long-distance penguin contribution to $B ˉ_{d, s} \to γ γ$ decays

Qin Qin, Yue-Long Shen, Chao Wang +1

We compute for the first time the long-distance penguin contribution to the double radiative $B$ -meson decays due to the purely hadronic operators acting with the electromagnetic c…

hep-ph2022★ 20 cited

Enhanced Next-to-Leading-Order Corrections to Weak Annihilation $B$ -Meson Decays

Cai-Dian Lü, Yue-Long Shen, Chao Wang +1

We accomplish the analytical computation of the pure weak annihilation non-leptonic $B$ -meson decay amplitudes at leading power in the heavy quark expansion. The novel observation…

hep-ph2021★ 31 cited

$B \to D ℓ ν_{ℓ}$ form factors beyond leading power and extraction of $∣ V_{c b} ∣$ and $R (D)$

Jing Gao, Tobias Huber, Yao Ji +3

We investigate the subleading-power corrections to the exclusive $B \to D ℓ ν_{ℓ}$ form factors at $O (α_{s}^{0})$ in the light-cone sum rules (LCSR) framework by including t…

hep-ph2021★ 1 cited

The factorization-assisted topological-amplitude approach and its applications

Qin Qin, Chao Wang, Di Wang +1

Heavy meson decays provide an important platform for studies of both QCD and electroweak dynamics, which may contain some portals to understanding of nonperturbative QCD and physic…

hep-ph2021★ 27 cited

QCD factorization for the four-body leptonic $B$ -meson decays

Chao Wang, Yu-Ming Wang, Yan-Bing Wei

Employing the QCD factorization formalism we compute $B_{u}^{-} \to γ^{*} ℓ ν ˉ_{ℓ}$ form factors with an off-shell photon state possessing the virtuality of orde…

hep-ph2021★ 28 cited

A comprehensive study on the semileptonic decay of heavy flavor mesons

Lu Zhang, Xian-Wei Kang, Xin-Heng Guo +3

The semileptonic decay of heavy flavor mesons offers a clean environment for extraction of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements, which describes the CP-violating and…

hep-ph2020

QCD calculations of radiative heavy meson decays with subleading power corrections

Hua-Dong Li, Cai-Dian Lü, Chao Wang +2

We revisit QCD calculations of radiative heavy meson decay form factors by including the subleading power corrections from the twist-two photon distribution amplitude at next-to-le…

hep-ph2020★ 4 cited

$D^{} D ρ$ and $B^{} B ρ$ strong couplings in light-cone sum rules

Chao Wang, Hua-dong Li

We present an improved calculation of the strong coupling constants $g_{D^{*} D ρ}$ and $g_{B^{*} B ρ}$ in light-cone sum rules including the one-loop QCD corrections of leading power with…

hep-ph2018★ 107 cited

Footprints of New Physics in $b \to c τ ν$ Transitions

Zhuo-Ran Huang, Ying Li, Cai-Dian Lu +2

In this work, we perform a combined analysis of the $R (D)$ , $R (D^{*})$ , and $R (J / ψ)$ anomalies in a model-independent manner based on the general framework of the four-fermion effect…

hep-ph2018★ 36 cited

Semileptonic $B$ and $B_{s}$ decays involving scalar and axial-vector mesons

Xian-Wei Kang, Tao Luo, Yi Zhang +2

We report our theoretical calculations on the branching fractions for the semileptonic $B$ and $B_{s}$ decays, i.e., $B (B_{s}) \to (P, V, S, A) ℓ ν_{ℓ}$ , where $P$ and $V$ de…

hep-ph2017★ 18 cited

Three-body decays $B \to ϕ (ρ) K γ$ in perturbative QCD approach

Chao Wang, Jing-Bin Liu, Hsiang-nan Li +1

We study the three-body radiative decays $B \to ϕ (ρ) K γ$ induced by a flavor-changing neutral current in the perturbative QCD approach. Pseudoscalar-vector ( $P V$ ) distribution ampli…

hep-ph2017★ 29 cited

Global Analysis of Charmless $B$ Decays into Two Vector Mesons in Soft-Collinear Effective Theory

Chao Wang, Si-Hong Zhou, Ying Li +1

Under the framework of soft-collinear effective theory, we analyze the charmless $B \to V V$ decays in a global way at leading power in $1/ m_{b}$ and leading order in $α_{s}$ with $V$ de…

hep-ph2017★ 44 cited

Charmless $B_{(s)} \to V V$ Decays in Factorization-Assisted Topological-Amplitude Approach

Chao Wang, Qi-An Zhang, Ying Li +1

Within the factorization-assisted topological-amplitude approach, we studied the 33 charmless $B_{(s)} \to V V$ decays, where $V$ stands for a light vector meson. According to the f…

The H∗H∗V couplings from light-cone sum rules

The D∗D∗π and B∗B∗π couplings from light-cone sum rules

QCD factorization for the B→γℓνℓ​ decay beyond leading power

Resonance contributions from χc0​ in the charmless three-body hadronic B meson decays

Precision calculations of Bd,s​→π,K decay form factors in soft-collinear effective theory

Deciphering the long-distance penguin contribution to Bˉd,s​→γγ decays

Enhanced Next-to-Leading-Order Corrections to Weak Annihilation B-Meson Decays

B→Dℓνℓ​ form factors beyond leading power and extraction of ∣Vcb​∣ and R(D)

The factorization-assisted topological-amplitude approach and its applications

QCD factorization for the four-body leptonic B-meson decays

A comprehensive study on the semileptonic decay of heavy flavor mesons

QCD calculations of radiative heavy meson decays with subleading power corrections

D∗Dρ and B∗Bρ strong couplings in light-cone sum rules

Footprints of New Physics in b→cτν Transitions

Semileptonic B and Bs​ decays involving scalar and axial-vector mesons

Three-body decays B→ϕ(ρ)Kγ in perturbative QCD approach

Global Analysis of Charmless B Decays into Two Vector Mesons in Soft-Collinear Effective Theory

Charmless B(s)​→VV Decays in Factorization-Assisted Topological-Amplitude Approach

The $H^{} H^{} V$ couplings from light-cone sum rules

The $D^{} D^{} π$ and $B^{} B^{} π$ couplings from light-cone sum rules

QCD factorization for the $B \to γ ℓ ν_{ℓ}$ decay beyond leading power

Resonance contributions from $χ_{c 0}$ in the charmless three-body hadronic $B$ meson decays

Precision calculations of $B_{d, s} \to π, K$ decay form factors in soft-collinear effective theory

Deciphering the long-distance penguin contribution to $B ˉ_{d, s} \to γ γ$ decays

Enhanced Next-to-Leading-Order Corrections to Weak Annihilation $B$ -Meson Decays

$B \to D ℓ ν_{ℓ}$ form factors beyond leading power and extraction of $∣ V_{c b} ∣$ and $R (D)$

QCD factorization for the four-body leptonic $B$ -meson decays

$D^{} D ρ$ and $B^{} B ρ$ strong couplings in light-cone sum rules

Footprints of New Physics in $b \to c τ ν$ Transitions

Semileptonic $B$ and $B_{s}$ decays involving scalar and axial-vector mesons

Three-body decays $B \to ϕ (ρ) K γ$ in perturbative QCD approach

Global Analysis of Charmless $B$ Decays into Two Vector Mesons in Soft-Collinear Effective Theory

Charmless $B_{(s)} \to V V$ Decays in Factorization-Assisted Topological-Amplitude Approach