Sequential single-photon and direct two-photon absorption processes for Xe interacting with attosecond XUV pulses
Physical Review A, 2020•APS
We investigate the interaction of Xe with isolated attosecond XUV pulses. Specifically, we
calculate the ion yields and determine the pathways leading to the formation of ionic
charged states up to Xe 5+. To do so, in our formulation we account for single-photon
absorption, sequential multiphoton absorption, direct two-photon absorption, single and
double Auger decays, and shake-off. We compare our results for the ion yields and for ion
yield ratios with recent experimental results obtained for 93 and 115 eV attosecond XUV …
calculate the ion yields and determine the pathways leading to the formation of ionic
charged states up to Xe 5+. To do so, in our formulation we account for single-photon
absorption, sequential multiphoton absorption, direct two-photon absorption, single and
double Auger decays, and shake-off. We compare our results for the ion yields and for ion
yield ratios with recent experimental results obtained for 93 and 115 eV attosecond XUV …
We investigate the interaction of Xe with isolated attosecond XUV pulses. Specifically, we calculate the ion yields and determine the pathways leading to the formation of ionic charged states up to . To do so, in our formulation we account for single-photon absorption, sequential multiphoton absorption, direct two-photon absorption, single and double Auger decays, and shake-off. We compare our results for the ion yields and for ion yield ratios with recent experimental results obtained for 93 and 115 eV attosecond XUV pulses. In particular, we investigate the role that a sequence of two single-photon ionization processes plays in the formation of . We find that each one of these two processes ionizes a core electron and thus leads to the formation of a double core-hole state. Remarkably, we find that the formation of involves a direct two-photon absorption process and the absorption of a total of three photons.
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