Direct observation of double-core-hole shake-up States in photoemission

Physical Review Letters
Ralph PüttnerMarc Simon

Abstract

Direct measurements of Ar^{+} 1s^{-1}2p^{-1}nl double-core-hole shake-up states are reported using conventional single-channel photoemission, offering a new and relatively easy means to study such species. The high-quality results yield accurate energies and lifetimes of the double-core-hole states. Their photoemission spectrum also can be likened to 1s absorption of an exotic argon ion with a 2p core vacancy, providing new information about the spectroscopy of both this unusual ionic state as well as the neutral atom.

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Citations

May 21, 2016·Physical Chemistry Chemical Physics : PCCP·Gildas GoldsztejnMarc Simon
Oct 19, 2017·Scientific Reports·R FeifelM Simon
Mar 14, 2020·Physical Review Letters·A Perry-SassmannshausenS Schippers
Jan 13, 2018·Physical Chemistry Chemical Physics : PCCP·D KoulentianosR Feifel
Oct 8, 2018·The Journal of Chemical Physics·D KoulentianosM Simon
Nov 7, 2019·Reports on Progress in Physics·M N PiancastelliM Simon
Nov 24, 2020·Physical Chemistry Chemical Physics : PCCP·Nacer BoudjemiaMarc Simon
Apr 29, 2021·Physical Chemistry Chemical Physics : PCCP·D KoulentianosM Simon
Mar 2, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Curran KalhaAnna Regoutz

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