Momentum distributions in hcp, bcc, and liquid /sup 4/He
Conference
·
OSTI ID:6761137
Using Deep Inelastic Neutron Scattering we have measured the nuclear momentum distribution in hcp, bcc and liquid /sup 4/He at constant density over a temperature range 0.96K < T < 4.0K. We find no temperature dependence of the momentum distribution in the hcp solid or the liquid. We also find no difference between the hcp, bcc and liquid phases. The average kinetic energy per atom is lower than the best present theories predict.
- Research Organization:
- Illinois Univ., Urbana (USA); Argonne National Lab., IL (USA)
- DOE Contract Number:
- AC02-76ER01198; W-31109-ENG-38
- OSTI ID:
- 6761137
- Report Number(s):
- CONF-840842-21; ON: DE84014679
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640460* -- Fluid Physics-- Other Quantum Fluids
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BCC LATTICES
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DEEP INELASTIC SCATTERING
DIFFRACTION
EVEN-EVEN NUCLEI
FLUIDS
HCP LATTICES
HELIUM 4
HELIUM ISOTOPES
HEXAGONAL LATTICES
INELASTIC SCATTERING
INTERACTIONS
ISOTOPES
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIGHT NUCLEI
LIQUIDS
NEUTRON DIFFRACTION
NUCLEI
PARTICLE INTERACTIONS
PHASE TRANSFORMATIONS
SCATTERING
SOLIDS
STABLE ISOTOPES
STRUCTURE FACTORS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BCC LATTICES
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DEEP INELASTIC SCATTERING
DIFFRACTION
EVEN-EVEN NUCLEI
FLUIDS
HCP LATTICES
HELIUM 4
HELIUM ISOTOPES
HEXAGONAL LATTICES
INELASTIC SCATTERING
INTERACTIONS
ISOTOPES
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIGHT NUCLEI
LIQUIDS
NEUTRON DIFFRACTION
NUCLEI
PARTICLE INTERACTIONS
PHASE TRANSFORMATIONS
SCATTERING
SOLIDS
STABLE ISOTOPES
STRUCTURE FACTORS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE