Final state effects in neutron scattering experiments on momentum distributions in quantum fluids
Conference
·
OSTI ID:6459085
Using a ''hard core perturbation theory,'' the final state corrections to the impulse approximation are derived for high Q neutron scattering experiments to determine momentum distributions in quantum fluids. The final state broadening depends on the radial distribution function, g(r), and the He-He phase shifts. It has a zero second moment and no Lorentzian wings, satisfying the kinetic energy sum rule. Explicit results are presented for superfluid /sup 4/He.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6459085
- Report Number(s):
- LA-UR-87-1548; CONF-870873-4; ON: DE87010109
- Country of Publication:
- United States
- Language:
- English
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