| Issue |
EPL
Volume 86, Number 6, June 2009
|
|
|---|---|---|
| Article Number | 66007 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
| DOI | https://doi.org/10.1209/0295-5075/86/66007 | |
| Published online | 10 July 2009 | |
Neutron scattering kernel for solid deuterium
Centro Atómico Bariloche and Instituto Balseiro, Comisión Nacional de Energía Atómica 8400 S.C. de Bariloche (RN), Argentina
Received:
6
March
2009
Accepted:
10
June
2009
A new scattering kernel to describe the interaction of slow neutrons with solid deuterium was developed. The main characteristics of that system are contained in the formalism, including the lattice's density of states, the Young-Koppel quantum treatment of the rotations, and the internal molecular vibrations. The elastic processes involving coherent and incoherent contributions are fully described, as well as the spin-correlation effects. The results from the new model are compared with the best available experimental data, showing very good agreement.
PACS: 61.05.fd – Theories of neutron diffraction and scattering / 28.20.-v – Neutron physics / 78.70.Nx – Neutron inelastic scattering
© EPLA, 2009
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