Electron-transfer-mediated decay and interatomic Coulombic decay from the triply ionized states in argon dimers |
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Authors: | Sakai K Stoychev S Ouchi T Higuchi I Schöffler M Mazza T Fukuzawa H Nagaya K Yao M Tamenori Y Kuleff A I Saito N Ueda K |
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Institution: | Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan. |
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Abstract: | We report the first observation of electron-transfer-mediated decay (ETMD) and interatomic Coulombic decay (ICD) from the triply charged states with an inner-valence vacancy, using the Ar dimer as an example. These ETMD and ICD processes, which lead to fragmentation of Ar(3+)-Ar into Ar(2+)-Ar(2+) and Ar(3+)-Ar+, respectively, are unambiguously identified by electron-ion-ion coincidence spectroscopy in which the kinetic energy of the ETMD or ICD electron and the kinetic energy release between the two fragment ions are measured in coincidence. |
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