Positively defined color-singlet fragmentation function
P.N. Lebedev Institute of Physics, 53 Lenin Avenue, 119991, Moscow, Russia
Accepted: 3 August 2021
Published online: 13 August 2021
We revisit the fragmentation process . Contrary to what was presented previously in the literature, our fragmentation functions are strictly positive, smooth, and vanish at .
© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2021