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

MeV\c	Data	Monte Carlo
600	20385	78742
900	112476	76065
1050	86238	74717
1200	124581	72602
1350	81454	70327
1525	57714	68009
1642	65984	65618
1800	71738	116694
1940	75325	79173