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

natZr(p,x)92mNb

92mNb

Irradiation time = 1 h

Beam current = 1 mA
Eg = 934.46 keV T1/2 = 10.15 d
Ig = 99 % Tolerance = 1%

Geometry factor = 1

Irradiation angle = 90 degree

Bombarding Energy of  7.6 MeV

Cooling time = 7 days

Total activity after cooling = 181.6 kBq

Activity of the linear layer after cooling = 67.6 kBq

Specific activity on the surface after cooling = 3.083 kBq/mm

Thickness of the layer with linear activity = 25 mm
Activity = ax + b   a = -0.0286  b = 3.0833