Difference between revisions of "G4Beamline PbBi"
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{| border="1" | {| border="1" | ||
| − | | PbBi Thickness (mm) || #positrons/million electrons | + | | PbBi Thickness (mm) || #positrons/million electrons (GEANT?)|| #positrons/million electrons (MCNPX) |
|- | |- | ||
| − | | 1 || 960 | + | | 1 || 960 || |
|- | |- | ||
| − | | 2 || 1963 | + | | 2 || 1963 || 1984 |
|- | |- | ||
| − | | 3|| 2233 | + | | 3|| 2233 || |
|- | |- | ||
| − | | 4|| 2184 | + | | 4|| 2184 || |
|- | |- | ||
| − | | 5|| 2042 | + | | 5|| 2042 || |
|- | |- | ||
| − | | 6|| 1851 | + | | 6|| 1851 || |
|- | |- | ||
|} | |} | ||
Revision as of 15:52, 28 April 2015
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 (GEANT?) | #positrons/million electrons (MCNPX) |
| 1 | 960 | |
| 2 | 1963 | 1984 |
| 3 | 2233 | |
| 4 | 2184 | |
| 5 | 2042 | |
| 6 | 1851 |