Hilleke, R. O. ; Chaddah, P. ; Simmons, R. O. ; Price, D. L. ; Sinha, S. K. (1984) Momentum density of hcp 4He Physical Review Letters, 52 (10). pp. 847-850. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v52/i10/p847_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.52.847
Abstract
The momentum density of the quantum solid hcp 4He has been measured at 1.70 K at the molar volumes 18.20 and 19.45 cm3. The measurements were made with pulsed incident neutrons of energy 505 meV, and with momentum transfers in the range of 12 to 22.5 Å-1. The momentum density is obtained from the inelastic-scattering spectrum at each of eight scattering angles. The measured distribution is Gaussian and the derived kinetic energies are larger than proposed by existing theories.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 84838 |
| Deposited On: | 27 Feb 2012 12:11 |
| Last Modified: | 27 Feb 2012 12:11 |
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