RT Journal Article
T1 Distribution amplitudes of heavy-light pseudoscalar and vector mesons from Dyson-Schwinger equations framework
A1 Xu, Yinzhen
AB We report the first Dyson-Schwinger equation predictions for the leading-twist distribution amplitudes of the 𝐵*, 𝐵*𝑠, and 𝐵*𝑐 mesons, and extend the investigation to a broader set of heavy-light pseudoscalar/vector mesons. Numerical analysis shows that, in flavor-asymmetric systems, the distribution amplitude is skewed toward the heavier quark, with the position of the maximum  ∼𝑀𝑓𝐸/(𝑀𝑓𝐸 +𝑀𝑔 𝐸), where 𝑀𝐸 is the Euclidean constituent quark mass and 𝑓, 𝑔 denote the quark flavors. Spin effects are found to be subleading compared to the influence of valence-quark composition, and lead to heavier quarks carrying more light-front momentum in vector mesons than in their pseudoscalar counterparts. Our results can be compared with both experimental and theoretical outcomes in the future. 
PB American Physical Society
SN 2470-0010
SN 2470-0029 (electrónico)
YR 2025
FD 2025
LK https://hdl.handle.net/10272/27443
UL https://hdl.handle.net/10272/27443
LA eng
NO Xu, Y.-Z. (2025). Distribution amplitudes of heavy-light pseudoscalar and vector mesons from Dyson-Schwinger equations framework. Physical Review D, 111(11). https://doi.org/10.1103/399s-4jrq
NO This work has been partially funded by Ministerio Español de Ciencia e Innovación under Grants No. PID2019–107844 GB-C22 and No. PID2022-140440NB-C22; Junta de Andalucía under Contracts No. Operativo FEDER Andalucía 2014- 2020 UHU-1264517, No. P18-FR-5057, and also No. PAIDI FQM-370. The authors acknowledge, too, the use of the computer facilities of C3UPO at the Universidad Pablo de Olavide, de Sevilla.
DS Repositorio Institucional de la Universidad de Huelva
RD 1 jun 2026