The events are given as 4-vectors : Energy, Px,Py,Pz.

MeV\c	Data	Monte Carlo
600	9456	35821
900	42366	56845
1050	13139	25639
1200	37256	44521
1350	22813	30531
1525	14652	37252
1642	16108	30696
1800	15313	41318
1940	14753	31638