Physical Review Letters

Direct Detection of Two-Photon Emission from the Metastable State of Singly Ionized Helium

Martin Lipeles, Robert Novick, NORMAN H. TOLK

Published Oct 25, 1965• 125 citations

Publisher

Abstract

Detection by coincidence counting techniques of two-photon decay of metastable state of singly ionized helium

DOI: 10.1103/physrevlett.15.690

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