Two-photon resonance single ionization of the K-shell of an atomic ion
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866908305461346304 |
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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 analytical structure and absolute values of the generalized cross-section of the two-photon resonance single ionization of the K-shell of a heavy neon-like ion of an iron atom (Fe$^{16+}$) were theoretically predicted. A pronounced resonant subthreshold structure of the generalized cross-section and the effect of destructive quantum interference of the probability amplitudes of radiation transitions into virtual excited states of p-symmetry have been established. The presence of a valence 2p$^6$-shell in the ion backbone causes the production of an additional giant resonance of the generalized cross-section as the effect of the "reverse" hard X-ray emission of K$α$-type 1s$^2$(2s$^2$)2p$^5$ + $\hbarω\to$ 1s(2s$^2$)2p$^6$. A scheme of the proposed experiment with linearly polarized X-ray photons is presented to verify the theoretical results obtained. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_05290 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Two-photon resonance single ionization of the K-shell of an atomic ion Hopersky, Alexey N. Nadolinsky, Alexey M. Novikov, Sergey A. Koneev, Rustam V. Optics 00A81 The analytical structure and absolute values of the generalized cross-section of the two-photon resonance single ionization of the K-shell of a heavy neon-like ion of an iron atom (Fe$^{16+}$) were theoretically predicted. A pronounced resonant subthreshold structure of the generalized cross-section and the effect of destructive quantum interference of the probability amplitudes of radiation transitions into virtual excited states of p-symmetry have been established. The presence of a valence 2p$^6$-shell in the ion backbone causes the production of an additional giant resonance of the generalized cross-section as the effect of the "reverse" hard X-ray emission of K$α$-type 1s$^2$(2s$^2$)2p$^5$ + $\hbarω\to$ 1s(2s$^2$)2p$^6$. A scheme of the proposed experiment with linearly polarized X-ray photons is presented to verify the theoretical results obtained. |
| title | Two-photon resonance single ionization of the K-shell of an atomic ion |
| topic | Optics 00A81 |
| url | https://arxiv.org/abs/2504.05290 |