<inline-formula><tex-math id="M1">\begin{document}$ { \boldsymbol D^{\bf +} \boldsymbol\to \boldsymbol\pi^{\bf +} \boldsymbol\nu\bar{\boldsymbol\nu}} $\end{document}</tex-math><alternatives><graphic specific-use="online" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="CPC-2024-0020_M1.jpg"/><graphic specific-use="print" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="CPC-2024-0020_M1.png"/></alternatives></inline-formula> decay process within the QCDSR approach

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