Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon
The formation and decay of double-core-hole (DCH) states of the neon ion irradiated by an intense electromagnetic x-ray field are studied theoretically. In the present research DCH formation is the result of sequential absorption of two photons with the creation of an intermediate ion. Detailed calc...
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MDPI AG
2021-12-01
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| author | Maksim D. Kiselev Elena V. Gryzlova Sergei M. Burkov Oleg Zatsarinny Alexei N. Grum-Grzhimailo |
| author_facet | Maksim D. Kiselev Elena V. Gryzlova Sergei M. Burkov Oleg Zatsarinny Alexei N. Grum-Grzhimailo |
| author_sort | Maksim D. Kiselev |
| collection | DOAJ |
| description | The formation and decay of double-core-hole (DCH) states of the neon ion irradiated by an intense electromagnetic x-ray field are studied theoretically. In the present research DCH formation is the result of sequential absorption of two photons with the creation of an intermediate ion. Detailed calculations of the partial decays and probabilities of shake-ups at the atomic and ionic ionization stages are presented. The angular distribution of photoelectrons corresponding to various residual ionic states are calculated. Specifically, we predict the lack of any photoelectrons corresponding to the residual ionic state <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1</mn><msup><mi>s</mi><mn>1</mn></msup><mn>2</mn><msup><mi>s</mi><mn>2</mn></msup><mn>2</mn><msup><mi>p</mi><mi>n</mi></msup><mi>m</mi><msup><mi>p</mi><mrow><msup><mi>n</mi><mo>′</mo></msup><mspace width="0.166667em"></mspace><mn>2</mn><msub><mi>S</mi><mi>f</mi></msub><mo>+</mo><mn>1</mn></mrow></msup><mi>D</mi></mrow></semantics></math></inline-formula> in the direction of the electric field polarization. Dynamical competition between single-core-hole state decay and excitation is analyzed and pulse parameters corresponding to various dynamical regimes are found. |
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| issn | 2218-2004 |
| language | English |
| last_indexed | 2024-03-10T04:35:22Z |
| publishDate | 2021-12-01 |
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| spelling | doaj.art-189fb06fdb4e43d99b9421d55041e3e92023-11-23T03:48:24ZengMDPI AGAtoms2218-20042021-12-019411410.3390/atoms9040114Mechanisms of 1s Double-Core-Hole Excitation and Decay in NeonMaksim D. Kiselev0Elena V. Gryzlova1Sergei M. Burkov2Oleg Zatsarinny3Alexei N. Grum-Grzhimailo4Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, RussiaLaboratory for Modeling of Quantum Processes, Pacific National University, 680035 Khabarovsk, RussiaDepartment of Physics and Astronomy, Drake University, Des Moines, IA 50311, USASkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, RussiaThe formation and decay of double-core-hole (DCH) states of the neon ion irradiated by an intense electromagnetic x-ray field are studied theoretically. In the present research DCH formation is the result of sequential absorption of two photons with the creation of an intermediate ion. Detailed calculations of the partial decays and probabilities of shake-ups at the atomic and ionic ionization stages are presented. The angular distribution of photoelectrons corresponding to various residual ionic states are calculated. Specifically, we predict the lack of any photoelectrons corresponding to the residual ionic state <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1</mn><msup><mi>s</mi><mn>1</mn></msup><mn>2</mn><msup><mi>s</mi><mn>2</mn></msup><mn>2</mn><msup><mi>p</mi><mi>n</mi></msup><mi>m</mi><msup><mi>p</mi><mrow><msup><mi>n</mi><mo>′</mo></msup><mspace width="0.166667em"></mspace><mn>2</mn><msub><mi>S</mi><mi>f</mi></msub><mo>+</mo><mn>1</mn></mrow></msup><mi>D</mi></mrow></semantics></math></inline-formula> in the direction of the electric field polarization. Dynamical competition between single-core-hole state decay and excitation is analyzed and pulse parameters corresponding to various dynamical regimes are found.https://www.mdpi.com/2218-2004/9/4/114photoionizationdouble-core-holeR-matrixmultiple ionizationionsfree-electron laser |
| spellingShingle | Maksim D. Kiselev Elena V. Gryzlova Sergei M. Burkov Oleg Zatsarinny Alexei N. Grum-Grzhimailo Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon Atoms photoionization double-core-hole R-matrix multiple ionization ions free-electron laser |
| title | Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon |
| title_full | Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon |
| title_fullStr | Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon |
| title_full_unstemmed | Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon |
| title_short | Mechanisms of 1s Double-Core-Hole Excitation and Decay in Neon |
| title_sort | mechanisms of 1s double core hole excitation and decay in neon |
| topic | photoionization double-core-hole R-matrix multiple ionization ions free-electron laser |
| url | https://www.mdpi.com/2218-2004/9/4/114 |
| work_keys_str_mv | AT maksimdkiselev mechanismsof1sdoublecoreholeexcitationanddecayinneon AT elenavgryzlova mechanismsof1sdoublecoreholeexcitationanddecayinneon AT sergeimburkov mechanismsof1sdoublecoreholeexcitationanddecayinneon AT olegzatsarinny mechanismsof1sdoublecoreholeexcitationanddecayinneon AT alexeingrumgrzhimailo mechanismsof1sdoublecoreholeexcitationanddecayinneon |