2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49739We describe an efficient implementation of the optimal jet definition derived in hep-ph/9901444 (revision of January, 2000) and implemented in Fortran 77. The algorithm handles both c.m.s. and hadron collision kinematics.5p PS; corrections 2001-08: normalization of Y; code at http://www.inr.ac.ru/~ftkachov/projects/jets/High Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext