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Inelastic Scattering

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inelastic scattering [‚in·ə′las·tik ′skad·ə·riŋ]
(physics)
Scattering that results from inelastic collisions.

Inelastic Scattering 

a collision of particles that is accompanied by a change in the internal state of the particles, conversion into other particles, or the additional production of new particles. Examples of inelastic scattering are the excitation or ionization of atoms during collision, nuclear reactions, the transformations of elementary particles by collision, and the multiple production of particles. Each type (channel) of inelastic scattering has its own minimum (threshold) collision energy, below which a given process is impossible. The total scattering probability when particles collide, which is characterized by a total effective scattering cross section, is the sum of the probabilities of elastic scattering and inelastic scattering; in this case, there exists a relation, given by the so-called optical theorem, between elastic and inelastic processes.



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Earlier investigations [3] of several types of LTF found that quasi-elastic UCN scattering and thermal inelastic scattering are significantly lower at temperatures below -120 [degrees]C than for ordinary Fomblin oil close to room temperature.
These extramodes have been studied and elucidated with heat capacity measurement (20), neutron inelastic scattering measurement (19, 21, 22), as well as PHB measurement (4-7).
The Society recently cited Duke for his "groundbreaking theoretical contributions to the understanding of tunneling in solids, and inelastic scattering of low-energy electrons in solids, and for his outstanding contributions to Xerox Corporate Research both as an intellectual and research manager.
 
 
 
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