https://doi.org/10.1140/epjc/s10052-021-09172-y
Regular Article - Theoretical Physics
Fragmentation of charmed quark to double-charmed hadrons
1
P.N. Lebedev Institute of Physics, Lenin Avenue 53, 119991, Moscow, Russia
2
Departamento de Física, Universidad Técnica Federico Santa María, Valparaiso, Chile
3
Centro Científico-Tecnológico de Valparaíso, Avenida España 1680, Valparaiso, Chile
Received:
29
January
2021
Accepted:
21
April
2021
Published online:
1
May
2021
We consider the production of hadrons containing two charmed quarks in pp and ee collisions. We perform a numerical comparison of the fragmentation approach with the full calculation at 
. We conclude that the non-fragmentation contributions remain important up to transverse momenta as large as about 40 GeV, thus making questionable the applicability of the fragmentation approximation at smaller transverse momenta.
© The Author(s) 2021
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