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10B4C is used as a neutron shield. a. What is the shield thickness required to stop 99.9999% of 0.0253 eV neutrons b. What is the

10B4C is used as a neutron shield.

a. What is the shield thickness required to stop 99.9999% of 0.0253 eV neutrons

b. What is the shield thickness required to stop 99.9999% of 10 eV neutrons The density of B4C is 2.5 g/cm3

Use NNDC and ENDF/B-VIII to get the cross sections for B-10 and carbon.

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