WIP: add mc particles from photon conv
$ podio-dump sim_v01.root -d
620d570+6 +22 +1 +0 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 -7.323260e+00 -1.152778e+01 -1.905369e+03 -9.101444e-03 -1.432687e-02 -2.>
parents : c68708c1+1
daughters : 620d570+12 620d570+13
620d570+7 +12 +1 +0 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +7.065351e+02 +1.830000e+03 +9.832832e+02 +1.997120e+01 +5.172749e+01 +2.>
parents : c68708c1+2
daughters :
620d570+8 -12 +1 +0 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +1.830000e+03 +3.143830e+02 -1.268988e+03 +2.531406e+01 +4.348803e+00 -1.>
parents : c68708c1+3
daughters :
620d570+9 +25 +2 +0 +0.000000e+00 +0.000000e+00 +1.249980e+02 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 -4.527615e+01 -5.606197e+01 -7.>
parents : c68708c1+4
daughters : c68708c1+10 c68708c1+11
620d570+10 +22 +1 +0 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 -1.486730e+03 -1.830000e+03 -2.537886e+02 -6.801798e+01 -8.372260e+01 -1>
parents : c68708c1+9
daughters :
620d570+11 +22 +1 +0 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +0.000000e+00 +1.504577e+03 +1.830000e+03 +2.473469e+02 +2.274183e+01 +2.766063e+01 +3>
parents : c68708c1+9
daughters :
620d570+12 +11 +0 +1073741824 -1.000000e+00 +6.355789e+00 +5.109989e-01 -7.323260e+00 -1.152778e+01 -1.905369e+03 -1.492054e+01 -1.943097e+01 -1.953754e+03 -6.339597e-03 -8.844868e-03 -1>
parents : 620d570+6
daughters :
620d570+13 -11 +0 +1073741824 +1.000000e+00 +6.355789e+00 +5.109989e-01 -7.323260e+00 -1.152778e+01 -1.905369e+03 -3.533489e+01 -2.934817e+01 -2.039837e+03 -1.427076e-03 -6.807398e-03 -8>
parents : 620d570+6
daughters :
Edited by lintao@ihep.ac.cn