The University of Southampton
University of Southampton Institutional Repository

Measurement of the energy dependence of the neutron loss per bounce function on reflection from oil and grease surfaces using monochromatic ultracold neutrons

Record type: Article

We report a technique for determining directly the energy dependent UCN loss per bounce function _µ_(E) for material surfaces using monochromatic UVN. Results of such measurements on Fomblin oil and grease surfaces are presented for neutrons with energies in the range 5 to 106 neV, in the temperature range 283-308 K. The results show that these materials exhibit a loss per bounce function in good agreement with that predicted by the theory of UCN scattering from an abrupt one dimensional complex potential step. Some evidence for very small energy changes at reflection was found for neutrons with energies close to the critical energy of the step. Values of the loss parameter (2f) = 4.7(0.2) and 3.7(0.2) x 10^-5 (at 294 K) were deduced for the oil and grease surfaces respectively. The (2f) parameter of the oil was found to be strongly temperature dependent.

Full text not available from this repository.

Citation

Richardson, D.J., Pendlebury, J.M., Iaydjiev, P., Mampe, W., Green, K. and Kilvington, A.I. (1991) Measurement of the energy dependence of the neutron loss per bounce function on reflection from oil and grease surfaces using monochromatic ultracold neutrons Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 308, (3), pp. 568-573. (doi:10.1016/0168-9002(91)90069-3).

More information

Published date: 20 October 1991
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 78352
URI: http://eprints.soton.ac.uk/id/eprint/78352
ISSN: 0168-9002
PURE UUID: 75384d37-8994-4af8-a9c7-d7e9da40b7d5

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:25

Export record

Altmetrics

Contributors

Author: D.J. Richardson
Author: J.M. Pendlebury
Author: P. Iaydjiev
Author: W. Mampe
Author: K. Green
Author: A.I. Kilvington

University divisions


Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×