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scattering amplitude

   Also found in: Wikipedia 0.02 sec.
scattering amplitude [′skad·ə·riŋ ‚am·plə‚tüd]
(quantum mechanics)
A quantity, depending in general on the energy and scattering angle, which specifies the wave function of particles scattered in a collision, and whose squared modulus is proportional to the number of particles scattered in a given direction.


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Traditionally, the scattering amplitude of polarized neutrons with a polarized nucleus is described as follows:
Two coils resonant Ramsey's method for the measurement of time ... by Aldushchenkov, A.V. / Journal of Research of the National Institute of Standards and Technology
The transmission of neutrons through a polarized target can be described by the forward scattering amplitude, which in the spinor's space has a form,
On the way to experimental test of the time reversal invariance in ... by Kim, Guinyun / Journal of Research of the National Institute of Standards and Technology
The neutron refractive index in terms of Sears' exact expression for the scattering amplitude has been analyzed in order to evaluate the measured phase shifts.
Measurement of the coherent neutron scattering length of [.sup.3]He by Rauch, H. / Journal of Research of the National Institute of Standards and Technology
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