pandaEvtGen asks for momenta: here a table of momenta and sqrt(s) momentum sqrt(s) 0,737316 2 2,200649 2.5 (3,741945 3) 5,510383 3.5 7,529818 4 (9,808078 4.5) (12,348511 5) 15,152784 5.5 change the decay model in test/PPBARTEST