G4Beamline PbBi
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Development of a Positron source using a PbBi converter and a Solenoid
Converter target properties
Definition of Lead Bismuth
1cm diameter target
2 mm thick PbBi
0.5 Tesla solenoid
G4BeamLine
Target thickness optimization
First simple test is to send 1 million, 10 MeV electrons towards a PbBi target and count how many positrons leave the downstream side
| PbBi Thickness (mm) | #positrons/million electrons |
| 1 | 960 |
| 2 | 1963 |
| 3 | 2233 |
| 4 | 2184 |
| 5 | 2042 |
| 6 | 1851 |