About TLA 

 Reactions 

Constant EOB

After cooling

Linear EOB

After cooling

Cross sections

References

 

Last updated: January 2010, by S. Takacs

Producing activity decreasing linearly in depth

natPb(p,x)206Bi

206Bi

Irradiation time = 1 h

Beam current = 1 mA
Eg = 803.1 keV T1/2 = 6.24 d
Ig = 99 % Tolerance = 1%

Geometry factor = 1

Irradiation angle = 90 degree

Bombarding Energy of  12 MeV

EOB

Total activity at EOB = 710 kBq

Activity of the linear layer at EOB = 375.5 kBq

Specific activity on the surface at EOB = 8.296 kBq/mm

Thickness of the layer with linear activity = 54.2 mm
Activity = ax + b   a = -0.0494   b = 8.296