Chia-Wei Liu

activity

20172026

most citedAnti-triplet charmed baryon decays with SU(3) Flavor Symmetry

91 citations · 776 across the 51 of their papers we have counts for

collaborators

52 papers

hep-ph2026

Mixing-angle sensitivity of inclusive $Ξ_{b c}$ and $Ω_{b c}$ lifetimes

Hai-Yang Cheng, Chia-Wei Liu, Fanrong Xu

We study the inclusive lifetimes of $Ξ_{b c}^{+}$ , $Ξ_{b c}^{0}$ , and $Ω_{b c}^{0}$ , with emphasis on the mixing between the spin-zero and spin-one $b c$ -diquark configurations. The re…

hep-ph2026

The Negative- $Σ Σ ˉ$ Angular-Parameter Puzzle in $J / ψ$ and $ψ (2 S)$ Decays

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu

Experimental measurements of $J / ψ$ and $ψ (2 S)$ decays to octet baryon pairs reveal a negative- $Σ Σ ˉ$ puzzle in the angular distributions: $α_{Σ}^{J / ψ} < 0$ , whereas the other measure…

hep-ph2026

Study of doubly heavy baryon lifetimes

Hai-Yang Cheng, Chia-Wei Liu

We study the lifetimes and inclusive semileptonic decay widths of doubly heavy baryons within the framework of heavy quark expansion. Our analysis includes next-to-leading-order co…

hep-ph2026

Puzzles in charmed baryon semileptonic decays with $S U (3)_{F}$ flavor symmetry and lattice inputs

Chao-Qiang Geng, Chia-Wei Liu, Sheng-Lin Liu

Recent measurements of charmed-baryon semileptonic decays signal large tensions between experiment and theory, including $S U (3)_{F}$ analyses and lattice-quantum chromodynamics simul…

hep-ph2026

Strange Quark Electric Dipole Moment withTopological Anomalies

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu +1

We introduce an anomaly-based framework to probe quark electric dipole moments in exclusive hadronic final states produced in $e^{+} e^{-}$ annihilation. Chern-Simons-induced anomalous…

hep-ph2026

Topological quantization of vector meson anomalous couplings

Chao-Qiang Geng, Chia-Wei Liu, Yue-Liang Wu

We identify an overlooked Wess--Zumino--Witten structure in the hidden-local-symmetry~(HLS) formulation of vector mesons. The newly identified term generically leads to the topolog…

hep-ph2025

Potential of discovering $Ξ_{cc}^{+}$ in $Λ_{b}$ decays

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu +2

We propose to search for $Ξ_{cc}^{+}$ in the decay $Λ_{b} \to Ξ_{cc}^{+} D^{-}$ , which serves as a tagged and reconstructible source of $Ξ_{cc}^{+}$ , providing an experimentally clean enviro…

hep-ph2025

Identify hadron anomalous couplings at colliders

Chao-Qiang Geng, Chia-Wei Liu, Yue-Liang Wu

We investigate the identification of the Wess-Zumino-Witten (WZW) Lagrangian at colliders such as BESIII and the Super- $τ$ -Charm Facility. Our analysis concentrates on the radiativ…

hep-ph2025★ 2 cited

Large CP Asymmetries from Final-State Interactions in Charmful Baryonic Decays of $B^{0} \to Ξ_{c}^{+} Ξ_{c}^{-}$ and $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu

We study the direct CP asymmetries in the decays of $B^{0} \to Ξ_{c}^{+} Ξ_{c}^{-}$ and $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ , emphasizing the critical role of final-state interactions (…

hep-ph2025

Two-body charmed baryon nonleptonic weak decays with decuplet baryon involving SU(3) breaking effects

Chao-Qiang Geng, Chia-Wei Liu, Sheng-Lin Liu

We study the singly charmed baryon two-body decays of $B_{c} \to B_{D} P$ under $S U (3)_{F}$ flavor symmetry, where $B_{c}$ refers to anti-triplet singly…

hep-ph2024

Hidden strangeness in meson weak decays to baryon pair

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu +1

Our study focuses on the weak decay of $D_{s}^{+} \to p n$ , which is the only possible two-body baryonic decay in the $D$ meson system. An analysis using perturbative qu…

hep-ph2024

Categorizing $S U (3)_{f}$ representations of scalar mesons by $J / ψ$ decays

Chao-Qiang Geng, Chia-Wei Liu, Xiao Yu +1

The scalar mesons are established for a long time, but their nature is still an open question. In this paper, we investigate the potential of categorizing their $S U (3)_{f}$ represent…

hep-ph2024★ 12 cited

Nonleptonic three-body charmed baryon weak decays with H(15)

Chao-Qiang Geng, Chia-Wei Liu, Sheng-Lin Liu

We study the nonleptonic three-body charmed baryon weak decays of $B_{c} \to B_{n} P P^{'}$ under the $S U (3)_{F}$ flavor symmetry, where $B_{c}$ …

hep-ph2023

Complete determination of $S U (3)_{F}$ amplitudes and strong phase in $Λ_{c}^{+} \to Ξ^{0} K^{+}$

Chao-Qiang Geng, Xiao-Gang He, Xiang-Nan Jin +2

The BESIII collaboration has recently reported the first time measurement of the decay asymmetry $α (Λ_{c}^{+} \to Ξ^{0} K^{+}) = 0.01 \pm 0.16 (s t a t .) \pm 0.03 (sy s t .)$ and also a sizable ph…

hep-ph2023

New Signature of low mass $Z^{'}$ in $J / ψ$ decays

Chao-Qiang Geng, Chia-Wei Liu, Jiabao Zhang

We explore a new approach to search for a low-mass $Z^{'}$ particle through $J / ψ$ decays by identifying its existence through parity-violating phenomena in the isospin-violati…

hep-ph2023

Nonleptonic two-body weak decays of charmed baryons

Chia-Wei Liu

We analyze the two-body nonleptonic weak decays of charmed baryons, employing the pole approximation in tandem with the $S U (3)_{F}$ symmetry. We are able to make novel predictions fo…

hep-ph2023

CP asymmetries in $B$ meson two-body baryonic decays

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu

We study the CP-odd and CP-even observables of the $B$ mesons decaying into a baryon and antibaryon. We estimate these observables through the $^{3} P_{0}$ model and chiral selection ru…

hep-ph2023★ 1 cited

Isospin violating decays of vector charmonia

Chao-Qiang Geng, Chia-Wei Liu, Jiabao Zhang

We study the isospin violating decays of vector charmonia to $Λ Σ^{0}$ and its charge conjugate. They are dominated by the single photon annihilation and can be evaluated rel…

hep-ph2023★ 13 cited

Study of singly heavy baryon lifetimes

Hai-Yang Cheng, Chia-Wei Liu

We study the inclusive decay widths of singly heavy baryons with the improved bag model in which the unwanted center-of-mass motion is removed. Additional insight is gained by comp…

hep-ph2022

Time-reversal asymmetries in $Λ_{b} \to Λ (\to p π^{-}) ℓ^{+} ℓ^{-}$

Chao-Qiang Geng, Chia-Wei Liu, Zheng-Yi Wei

We study the decays of $Λ_{b} \to Λ (\to p π^{-}) ℓ^{+} ℓ^{-}$ with $ℓ = (e, μ, τ)$ . In particular, we examine the full angular distributions with polarized $Λ_{b}$ and identify the…

hep-ph2022★ 9 cited

Semileptonic decays of doubly charmed baryons with $Ξ_{c} - Ξ_{c}^{'}$ mixing

Chao-Qiang Geng, Xian-Nan Jin, Chia-Wei Liu +2

We study the $Ξ_{c} - Ξ_{c}^{'}$ mixing effects in the semileptonic decays the doubly charm baryons of $Ξ_{cc}$ . We focus on the ratio of ${\cal R}(θ_c) \equiv {\cal B}( Ξ_{cc} \to Ξ_c' e^…

hep-ph2022★ 2 cited

Semileptonic decays of doubly charmed baryons with bag model

Chao-Qiang Geng, Chia-Wei Liu, Aowen Zhou +1

We study the semileptonic decays of $B_{cc}$ $\to$ $B_{c} ℓ^{+} ν_{ℓ}$ with the bag model, where $ℓ$ = $(e, μ)$ , $B_{cc}$ = $(Ξ_{cc}^{++}$ , $Ξ_{cc}^{+}$ , $Ω_{cc}^{+}$ ), and…

hep-ph2022★ 6 cited

Heavy quark symmetry of $Λ_{b}^{0}$ decays in quark models

Jiabao Zhang, Xiang-Nan Jin, Chia-Wei Liu +1

We study the heavy quark symmetry with the homogeneous bag model (HBM) and light-front quark model (LFQM) based on the decays of $Λ_{b}^{0} \to Λ_{c}^{+} ℓ^{-} ν_{ℓ} (ℓ = e, μ, τ)$ .…

hep-ph2022★ 11 cited

Anatomy of $Λ_{c}^{+}$ semileptonic decays

Chao-Qiang Geng, Xiang-Nan Jin, Chia-Wei Liu

We present a systematic study of $Λ_{c}^{+} \to B_{q} ℓ^{+} ν_{ℓ}$ with $B_{q} = (Λ, n)$ and $ℓ = (e, μ)$ , examining all the possible decay observables based on the hom…

Mixing-angle sensitivity of inclusive Ξbc​ and Ωbc​ lifetimes

The Negative-ΣΣˉ Angular-Parameter Puzzle in J/ψ and ψ(2S) Decays

Study of doubly heavy baryon lifetimes

Puzzles in charmed baryon semileptonic decays with SU(3)F​ flavor symmetry and lattice inputs

Strange Quark Electric Dipole Moment withTopological Anomalies

Topological quantization of vector meson anomalous couplings

Potential of discovering Ξcc+​ in Λb​ decays

Identify hadron anomalous couplings at colliders

Large CP Asymmetries from Final-State Interactions in Charmful Baryonic Decays of B0→Ξc+​Ξc−​ and Bs0​→Λc+​Λc−​

Two-body charmed baryon nonleptonic weak decays with decuplet baryon involving SU(3) breaking effects

Hidden strangeness in meson weak decays to baryon pair

Categorizing SU(3)f​ representations of scalar mesons by J/ψ decays

Nonleptonic three-body charmed baryon weak decays with H(15)

Complete determination of SU(3)F​ amplitudes and strong phase in Λc+​→Ξ0K+

New Signature of low mass Z′ in J/ψ decays

Nonleptonic two-body weak decays of charmed baryons

CP asymmetries in B meson two-body baryonic decays

Isospin violating decays of vector charmonia

Study of singly heavy baryon lifetimes

Time-reversal asymmetries in Λb​→Λ(→pπ−)ℓ+ℓ−

Semileptonic decays of doubly charmed baryons with Ξc​−Ξc′​ mixing

Semileptonic decays of doubly charmed baryons with bag model

Heavy quark symmetry of Λb0​ decays in quark models

Anatomy of Λc+​ semileptonic decays

Mixing-angle sensitivity of inclusive $Ξ_{b c}$ and $Ω_{b c}$ lifetimes

The Negative- $Σ Σ ˉ$ Angular-Parameter Puzzle in $J / ψ$ and $ψ (2 S)$ Decays

Puzzles in charmed baryon semileptonic decays with $S U (3)_{F}$ flavor symmetry and lattice inputs

Potential of discovering $Ξ_{cc}^{+}$ in $Λ_{b}$ decays

Large CP Asymmetries from Final-State Interactions in Charmful Baryonic Decays of $B^{0} \to Ξ_{c}^{+} Ξ_{c}^{-}$ and $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$

Categorizing $S U (3)_{f}$ representations of scalar mesons by $J / ψ$ decays

Complete determination of $S U (3)_{F}$ amplitudes and strong phase in $Λ_{c}^{+} \to Ξ^{0} K^{+}$

New Signature of low mass $Z^{'}$ in $J / ψ$ decays

CP asymmetries in $B$ meson two-body baryonic decays

Time-reversal asymmetries in $Λ_{b} \to Λ (\to p π^{-}) ℓ^{+} ℓ^{-}$

Semileptonic decays of doubly charmed baryons with $Ξ_{c} - Ξ_{c}^{'}$ mixing

Heavy quark symmetry of $Λ_{b}^{0}$ decays in quark models

Anatomy of $Λ_{c}^{+}$ semileptonic decays