Abstract
Threshold photoelectron measurements of the ionic `satellite' states ofkrypton and xenon have been undertaken at the Daresbury SynchrotronRadiation Source (SRS) using the field-penetration technique. The photonenergy ranges covered were 27.5-32.3 eV (Kr) and 23.3-34.8 eV (Xe)with a measured energy resolution of 13 meV, which is an order ofmagnitude improvement over the previous measurements. The ionic stateshave been catalogued and where resonance enhancement has been observed,the corresponding doubly excited neutral states have also been identified.
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