Preprint
Aug 2026
Production of quarkonium pairs via the fragmentation mechanism
In this manuscript, we analyze the contribution of fragmentation mechanisms to the inclusive hadroproduction of heavy quarkonium pairs, taking into account both single- and double-hadron (dihadron) fragmentation channels. To estimate the contribution of the latter mechanism, we construct a microscopic perturbative mode...
F. Barattini, B. Guiot, M. Siddikov
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