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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.
The term Thermal Radiation simply describes-heat transferred by electromagnetic radiation. Infrared radiation is a type of electromagnetic waves, which could also transfer heat. Thus it is commonly known as âheat radiationâ. However, only part of the infrared radiation could carry heat (highlighted in dash).