Prospective analysis of CKM element |Vcd| and D+-meson decay constant from leptonic decays D+ → ℓ+ν

Prospective analysis of CKM element |Vcd| and D+-meson decay constant from leptonic decays D+ → ℓ+ν

The leptonic decay of D+-meson has attracted significant interest due to its unique characteristics. In this paper, we carry out an investigation into the D+-meson leptonic decays D+→ℓ+νℓ with ℓ=(e,μ,τ) by employing the QCD sum rules approach. In which the D+-meson decay constant fD+ is an important...

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Bibliographic Details
Main Authors: Ya-Xiong Wang, Hai-Jiang Tian, Yin-Long Yang, Tao Zhong, Hai-Bing Fu
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269324007986
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