PbBi THickness PntSource

2mm thick PbBi, 10 MeV, point source G4beamline pencil beam 10 cm radius

beam ellipse particle=e- nEvents=1000000 beamZ=0.0 beamX=0. beamY=0. \
        sigmaX=10.0 sigmaY=10.0 sigmaXp=0.000 sigmaYp=0.000 \
      meanMomentum=10. sigmaE=0. maxR=10.

Below is result using Mac

PbBi Thickness (mm)	#positrons/million electrons (G4Beamline)	#positrons/million electrons (MCNPX)
1		1091
1.5		1728
2	1883,1932,1968,1973[math]\pm[/math] 43	1984
3	[math]\pm[/math] 13	1986
4	[math]\pm[/math] 39	1858
5		1646
6	[math] \pm[/math] 37	1541
7	1462,1327, 1407,1489 ,1477[math] \pm[/math] 37	1541
10		1216

Below is the result using minerve

PbBi Thickness (mm)	#positrons/million electrons (G4Beamline)	#positrons/million electrons (MCNPX)
1	981,946,985,1046,1017	1091
1.5	1494,1444 ,1447,1409 ,1486	1728
2	1686,1700,1610, 1682,1656[math]\pm[/math] 43	1984
3	1648,1573, 1524,1670, 1592[math]\pm[/math] 13	1986
4	1528,1538, 1438, 1468, 1577[math]\pm[/math] 39	1858
5	1354,1419 ,1310 , 1397, 1327	1646
6	1256, 1286 , 1291,1350, 1210[math] \pm[/math] 37	1541
7	[math] \pm[/math] 37	1541
10	989,1024 , 1061, 1002, 1103	1216

G4Beamline_PbBi#PbBi_THickness_PntSource