Search for single-roton emission from negative ions in He II.

Ellis, T. and McClintock, Peter V. E. (1981) Search for single-roton emission from negative ions in He II. Physica B: Condensed Matter, 107. pp. 569-570. ISSN 0921-4526

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Abstract

We describe an experiment to search for evidence of single-roton emission from negative ions in Hell. Preliminary results are presented, enabling an upper bound of 3 x 10^-3 to be placed on the ratio of the single/pair emission rate constants. We draw attention to the urgent need for more accurate measurements of the Landau parameters at low temperatures close to the melting pressure.

Item Type:
Journal Article
Journal or Publication Title:
Physica B: Condensed Matter
Additional Information:
Proceedings of the 16th International Conference on Low Temperature Physics, Los Angeles, 19-25 August 1981.
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
32494
Deposited On:
12 Apr 2010 08:10
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 06:55