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fast neutron

physics

Learn about this topic in these articles:

detection and measurement

  • detector output connected to a measuring circuit
    In radiation measurement: Fast neutrons

    Neutrons whose kinetic energy is above about 1 keV are generally classified as fast neutrons. The neutron-induced reactions commonly employed for detecting slow neutrons have a low probability of occurrence once the neutron energy is high. Detectors that are based on these reactions…

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  • detector output connected to a measuring circuit
    In radiation measurement: Fast-neutron detectors

    The probability of inducing one of the reactions useful for slow-neutron detection is expressed as the magnitude of its neutron cross section (see table). These values are relatively large for slow neutrons but decrease by several orders of magnitude for fast neutrons. Therefore,…

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