2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40004The importance of the color octet component in P-wave charmonia is discussed in the context of exclusive decay processes. It is vital to include this contribution already at the level of the two-body decay channels. The ππand proton-antiproton channels are used as examples.talk presented at PIC 2000, Lisbon, Portugal, June 2000High Energy Physics - Phenomenologytext