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In physics, quasielastic scattering designates a limiting case of inelastic scattering, characterized by energy transfers being small compared to the incident energy of the scattered particles. The term was originally coined in nuclear physics.〔Earliest use, as far as can be infered from Google scholar: O. Chamberlain, E. Segrè, R. Tripp, C. Wiegand, and T. Ypsilantis: ''Experiments with High-Energy Polarized Protons'', Phys. Rev. 93, 1430 (1954).〕 It was applied to thermal neutron scattering by Leon van Hove〔L. Van Hove and K. W. McVoy, ''Pair distribution functions and scattering phenomena'', Nucl. Phys. 33, 468-476 (1962).〕 and Pierre Gilles de Gennes〔P.G. de Gennes, ''Collective motions of hydrogen bonds'', Solid State Comm. 1, 132-137 (1963).〕 (quasielastic neutron scattering, QENS). Finally, it is sometimes used for dynamic light scattering (also known by the more expressive term photon correlation spectroscopy). ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「quasielastic scattering」の詳細全文を読む スポンサード リンク
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