Many criticality experiments dealt with establishing the critical radius of a bare sphere of some fissile material. Esti

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Many Criticality Experiments Dealt With Establishing The Critical Radius Of A Bare Sphere Of Some Fissile Material Esti 1 (37.91 KiB) Viewed 30 times

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Many criticality experiments dealt with establishing the critical radius of a bare sphere of some fissile material. Estimate the critical radius of a bare sphere of fissile material X which has been found to have a macroscopic absorption cross section 0.083 cm", a macroscopic fission cross section of 0.073 cm, emits 2.9 neutrons per fission. Neutrons diffuse in the material such that D= 1.25 cm.