TF IsotopeTracers4Cracks
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Yittrium in Shale
A simulation of the penetration of the 0.895 and 1.8 MeV photons from Yittrium through shale.
GEANT4 create a point source or 895 keV photon and another with 1800 keV photons iostropically distributed.
A 4" thick piece of shale was placed between the source and the detector.
shale was defined as:
G4Element* O = new G4Element("Oxygen" , "O", z=8., a= 16.00*g/mole);
G4Element* Al = new G4Element("Aluminum" , "Al", z=13., a= 26.98*g/mole);
G4Element* Si = new G4Element("Silicon" , "Si", z=14., a= 28.085*g/mole);
G4Element* H = new G4Element("Hydrogen" , "H", z=1., a= 1.008*g/mole);
G4Material* Shale = new G4Material("Shale", density= 2.6*g/cm3, nel=4);
Shale->AddElement(Al, 15*perCent);
Shale->AddElement(Si, 15*perCent);
Shale->AddElement(O, 38*perCent);
Shale->AddElement(H, 32*perCent);