✦ LIBER ✦

Two-photon decay in strong central fields observed for the case of He-like gold

✍ Scribed by H.W. Schäffer; P.H. Mokler; R.W. Dunford; C. Kozhuharov; A. Krämer; A.E. Livingston; T. Ludziejewski; H.-T. Prinz; P. Rymuza; L. Sarkadi; Z. Stachura; Th. Stöhlker; P. Swiat; A. Warczak

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 779 KB
Volume: 260
Category: Article
ISSN: 0375-9601
DOI: 10.1016/s0375-9601(99)00540-x

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✦ Synopsis

1

The photon energy differential shape of the second order matrix element for the two-photon 2E1 decay of the 1s2s S 0 level in He-like gold has been measured. The results are in agreement with a recent fully relativistic calculation. The corresponding 2E1 matrix element deviates from those in lighter He-like systems due to the strong central field in a heavy two-electron ion.