Eur. Phys. J. Plus (2021) 136: 836
https://doi.org/10.1140/epjp/s13360-021-01836-8Positively defined color-singlet fragmentation function
https://doi.org/10.1140/epjp/s13360-021-01836-8
Regular Article
Positively defined color-singlet fragmentation function 
P.N. Lebedev Institute of Physics, 53 Lenin Avenue, 119991, Moscow, Russia
Received:
2
April
2021
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
