How Many Collisions to Slow Down a Neutron?

E. Richard Cohen

doi:dx.doi.org/10.13182/NSE85-A17887

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 89 / Number 1

How Many Collisions to Slow Down a Neutron?

E. Richard Cohen

Nuclear Science and Engineering / Volume 89 / Number 1 / January 1985 / Pages 99-102

Technical Note / dx.doi.org/10.13182/NSE85-A17887

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The process of neutron slowing down in a nonabsorbing medium is reviewed, and the distinction between average energy or lethargy after n collisions and the average number of collisions to reach a given energy is emphasized. Fermi's remark about neutron slowing down in hydrogen is explained and rederived.