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December 5, 2025Physical review. D/Physical review. D.Open Access

QCD analysis of B → π π form factors and the | V u b | extraction from B l 4 decays

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SCShan Cheng

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Overview

Analysis shows isovector and isoscalar contributions in B to Pi Pi decays, suggesting deeper insights into decay dynamics.

Key Points

  • Systematic extraction of |Vu b| from B to Pi Pi decays enhances precision in QCD predictions.
  • Derived twist-three two-pion distribution amplitudes enable higher-power corrections calculation.
  • Assessment of decay fractions using Belle detector data improves understanding of B meson decays.
  • Future measurements of B4 decays will reduce uncertainties in two-pion distribution amplitudes.

Cite This Study

Shan Cheng (2025) studied this question.

synapsesocial.com/papers/6932311e8e51979591dce40fhttps://doi.org/10.1103/gghb-bwfp
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