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neutron cross section

   Also found in: Wikipedia 0.01 sec.
neutron cross section [′nü‚trän ′krȯs ‚sek·shən]
(nuclear physics)
A measure of the probability that an interaction of a given kind will take place between a nucleus and an incident neutron; it is an area such that the number of interactions which occur in a sample exposed to a beam of neutrons is equal to the product of the number of nuclei in the sample and the number of neutrons in the beam that would pass through this area if their velocities were perpendicular to it.
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Knowing the neutron cross section and the pressure, the number of neutrons/sec absorbed in the 25 mm path length within the reaction chamber was determined as follows.
The detection of Lyman alpha radiation formed by the slowing down of ... by Cooper, John W.; Coplan, Michael A.; Hughes, Patrick P. / Journal of Research of the National Institute of Standards and Technology
Its structural strength and neutron cross section properties make it useful in nuclear applications.
TTCM China Granted Right to Work Rare Vanadium Mine with Reserves ... by Business Wire
The ENDF/B-VI Neutron Cross Section Measurement Standards, NISTIR 5177 (1993).
Measurement of the neutron lifetime by counting trapped protons by Van Gestel, J. / Journal of Research of the National Institute of Standards and Technology
 
 
 
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