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Positronium binding to potassium and other alkali atoms

Mitroy, Jim and Ryzhikh, G. G. (1999). Positronium binding to potassium and other alkali atoms. Journal of Physics B: Atomic, Molecular and Optical Physics,32(15):3839-3848.

Document type: Journal Article
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Title Positronium binding to potassium and other alkali atoms
Author Mitroy, Jim
Ryzhikh, G. G.
Journal Name Journal of Physics B: Atomic, Molecular and Optical Physics
Publication Date 1999
Volume Number 32
Issue Number 15
ISSN 0953 4075   (check CDU catalogue  open catalogue search in new window)
Start Page 3839
End Page 3848
Total Pages 10
Place of Publication Bristol, UK
Publisher IOP Publishing
HERDC Category C1 - Journal Article (DEST)
Abstract The fixed-core stochastic variational method has been used to demonstrate the existence of an electronically stable ground state for potassium positride, KPs, with a binding energy of 0.003 275 Hartree. The 2 annihilation rate of 2.001 × 109 s-1 was almost the same as the annihilation rates computed previously for LiPs and NaPs. Analysis of the radial expectation values, the annihilation rates and the e--e+ correlation function reveal that KPs can be regarded as a Ps cluster moving in the field of the neutral atom.
DOI http://dx.doi.org/10.1088/0953-4075/32/15/314   (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