Two-photon ionization of the K-shell of ions of the isonuclear sequence of a heavy atom
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918067864338432 |
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| author | Hopersky, Alexey N. Nadolinsky, Alexey M. Novikov, Sergey A. Koneev, Rustam V. |
| author_facet | Hopersky, Alexey N. Nadolinsky, Alexey M. Novikov, Sergey A. Koneev, Rustam V. |
| contents | The shape and absolute values of the generalized cross-sections of the two-photon resonant single ionization of the K-shell of ions of the isonuclear sequence of a heavy nickel atom (28Ni - Ni26+ - Ni24+ - Ni18+) have been theoretically predicted. The complete wave functions of ionization states have been obtained in the single-configuration Hartree-Fock approximation. The effects of the occurrence of giant resonances in the subthreshold region of the generalized ionization cross-section and destructive quantum interference of the amplitudes of the probability of radiation transitions have been established. The leading role of the d-symmetry of the final state of ionization in determining the total generalized crosssection in the energy region of absorbed photons in the hard X-ray range has also been established. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_18117 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Two-photon ionization of the K-shell of ions of the isonuclear sequence of a heavy atom Hopersky, Alexey N. Nadolinsky, Alexey M. Novikov, Sergey A. Koneev, Rustam V. Atomic Physics 00A81 The shape and absolute values of the generalized cross-sections of the two-photon resonant single ionization of the K-shell of ions of the isonuclear sequence of a heavy nickel atom (28Ni - Ni26+ - Ni24+ - Ni18+) have been theoretically predicted. The complete wave functions of ionization states have been obtained in the single-configuration Hartree-Fock approximation. The effects of the occurrence of giant resonances in the subthreshold region of the generalized ionization cross-section and destructive quantum interference of the amplitudes of the probability of radiation transitions have been established. The leading role of the d-symmetry of the final state of ionization in determining the total generalized crosssection in the energy region of absorbed photons in the hard X-ray range has also been established. |
| title | Two-photon ionization of the K-shell of ions of the isonuclear sequence of a heavy atom |
| topic | Atomic Physics 00A81 |
| url | https://arxiv.org/abs/2506.18117 |