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A metastable state of positronic helium

Ryzhikh, G and Mitroy, J (1998). A metastable state of positronic helium. Journal of Physics B: Atomic, Molecular and Optical Physics,31(15):3465-3470.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 39 times in Scopus Article | Citations

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Title A metastable state of positronic helium
Author Ryzhikh, G
Mitroy, J
Journal Name Journal of Physics B: Atomic, Molecular and Optical Physics
Publication Date 1998
Volume Number 31
Issue Number 15
ISSN 0953-4075   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0032142438
Start Page 3465
End Page 3470
Total Pages 6
Place of Publication Bristol, UK
Publisher IOP Publishing
HERDC Category C1 - Journal Article (DEST)
Abstract A metastable state of helium with an attached positron is predicted to exist with a total energy of . The state is stable against dissociation into with a binding energy of . This state is formed by the attachment of a positron to the metastable He 1s2s state. The He ( state has a decay rate of . The state can only decay by a process with an approximate rate of . The structure of these states are best characterized as a positronium atom orbiting a 1s core at large distances.
DOI http://dx.doi.org/10.1088/0953-4075/31/15/017   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Fri, 12 Sep 2008, 08:35:25 CST by Administrator