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

natRe(p,x)185Os

185Os

Irradiation time = 1 h

Beam current = 1 mA
Eg = 646.12 keV T1/2 = 93.6 d
Ig = 78 % Tolerance = 1%

Geometry factor = 1

Irradiation angle = 90 degree

Bombarding Energy of  8.7 MeV

EOB

Total activity at EOB = 7.5 kBq

Activity of the linear layer at EOB = 4.1 kBq

Specific activity on the surface at EOB = 0.386 kBq/mm

Thickness of the layer with linear activity = 13.7 mm
Activity = ax + b   a = -0.0124  b = 0.3862