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Steady-State Neutron Spectra in Ice in the Temperature Range 268 to 4°K

G. S. Gangwani, S. P. Tewari, L. S. Kothari

Nuclear Science and Engineering / Volume 47 / Number 1 / January 1972 / Pages 153-156

Technical Note / dx.doi.org/10.13182/NSE72-A28430

The production of cold neutrons has been examined theoretically with a one-phonon plus two-phonon scattering kernel at temperatures down to 4°K. The results agree reasonably well with those from the experiments of Whittemore. It is observed that reducing the temperature below 40°K does not change the steady-state neutron spectrum significantly.