Question

A beam of neutrons strikes a square barrier. 0.0001% of the neutrons penetrate through the barrier....

A beam of neutrons strikes a square barrier. 0.0001% of the neutrons penetrate through the barrier. Develop a scenario (E, V, thickness) that allows this to happen?

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Answer #1

The transmission probability can be approximated as:

T = 0.0001% = 0.000001 = 10-6

taking ln on both sides gives:

=>

squaring both sides to get:

=>

=> .

This will be the E,V thickness where L is the width of the barrier.

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