MANY-PHONON PROCESSES IN CRYSTALS
Journal Article
·
· Soviet Phys. JETP
OSTI ID:4322576
We have calculated the differential cross section for the inelastic scattering of a neutron by a crystal with either emission or absorption of an arbitrary number of phonons. The first case is of inerest when the temperature of the crystal is low, and the second when the neutron energy is very small and the crystal temperature sufficiently high. Formulas are obtained for crystals with an arbitrary spectrum of the normal vibrations. If we choose a specific spectrum, the calculations can be pursued to the end, leading to a simple final formula. We have also given the formula for the limting case of the scattering of high energy neutrons by a free nucleus. (auth)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-12-008668
- OSTI ID:
- 4322576
- Journal Information:
- Soviet Phys. JETP, Journal Name: Soviet Phys. JETP Vol. Vol: 6
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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