Role of the scalar <inline-formula><tex-math id="M1">\begin{document}${{\boldsymbol f}_{\bf 0}\boldsymbol{(980)} }$\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/ddaf1a9d-2a29-4c9b-9c10-4eeaa3016673/CPC-2022-0621_M1.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/ddaf1a9d-2a29-4c9b-9c10-4eeaa3016673/CPC-2022-0621_M1.png"/></alternatives></inline-formula> in the process <inline-formula><tex-math id="M2">\begin{document}${ {\boldsymbol D}_{\boldsymbol s}^{\bf +}\bf \to \boldsymbol\pi^{\bf +} \boldsymbol\pi^{\bf 0} \boldsymbol\pi^{\bf 0}} $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/ddaf1a9d-2a29-4c9b-9c10-4eeaa3016673/CPC-2022-0621_M2.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="//www.macurncorp.com/hepnp/article/app/id/ddaf1a9d-2a29-4c9b-9c10-4eeaa3016673/CPC-2022-0621_M2.png"/></alternatives></inline-formula> -

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