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The neutron detection temperature, also called the neutron energy, indicates a free neutron 's kinetic energy, usually given in electron volts. The term temperature is used, since hot, thermal and cold neutrons are moderated in a medium with a certain temperature.pithermal neutrons have energies between 1 eV and 10 keV and smaller nuclear cross sections than thermal neutrons.
Thermal conductivity (often denoted k, Î», or Îº) is the property of a material to conduct heat. It is evaluated primarily in terms of the Fourier's Law for heat conduction. In general, thermal conductivity is a tensor property, expressing the anisotropy of the property.