About TLA 

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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(d,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  8.3 MeV

EOB

Total activity at EOB = 252 kBq

Activity of the linear layer at EOB = 127 kBq

Specific activity on the surface at EOB = 5.134 kBq/mm

Thickness of the layer with linear activity = 29.4 mm
Activity = ax + b   a = -0.0536   b = 5.1338