UNSPECIFIED (1993) DEEP INELASTIC NEUTRON-SCATTERING IN THE STUDY OF ATOMIC MOMENTUM DISTRIBUTIONS. In: SAGAMORE-10 CONF ON CHARGE, SPIN AND MOMENTUM DENSITIES, CONSTANCE, GERMANY, SEP 01-07, 1991. Published in: ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, 48 (1-2). pp. 425-432.

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Abstract

The electron-volt spectrometer (EVS) at the pulsed neutron source facility (ISIS) is being developed for the study of atomic momentum distributions. Neutrons with energies in the range 1 to 100 eV are incident on the sample, and the time-of-flight (TOF) spectrum of the scattered beam is measured by an array of fixed detectors. A resonant foil difference technique is used to yield a set of TOF spectra for those neutrons scattered into a fixed energy and through fixed angles. Information on the momentum distribution of the target nuclei can be deduced within an impulse approximation in a procedure analogous to that in Compton scattering of electrons by photons. Crystalline compounds containing aligned hydrogen bonds and other hydrogenous compounds are of particular interest owing to the high cross-section of the proton at these neutron energies. With improved statistical accuracy of the data it is anticipated that deviations of the proton's potential from a harmonic potential may be determined. Non-hydrogenous systems have also been investigated. A description is given of the basic theory and interpretive method. Data obtained on numerous systems are presented and discussed.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QD Chemistry Q Science > QC Physics
Journal or Publication Title:	ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
Publisher:	VERLAG Z NATURFORSCH
ISSN:	0932-0784
Date:	January 1993
Volume:	48
Number:	1-2
Number of Pages:	8
Page Range:	pp. 425-432
Publication Status:	Published
Title of Event:	SAGAMORE-10 CONF ON CHARGE, SPIN AND MOMENTUM DENSITIES
Location of Event:	CONSTANCE, GERMANY
Date(s) of Event:	SEP 01-07, 1991
URI:	http://wrap.warwick.ac.uk/id/eprint/21416

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