The multiplicity dependence of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$T_{cc}^+$$\end{document} T cc + production [ 192 ] suggests an increasing trend (Fig. 9 right), which is surprising, given the comparable size of the two hadrons.
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