Ionization of atoms by dense and compact beams of extreme relativistic electrons
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911191663640576 |
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| author | Kim, S. Müller, C. Voitkiv, A. B. |
| author_facet | Kim, S. Müller, C. Voitkiv, A. B. |
| contents | Ionization is one of the basic physical processes, occurring when charged particles penetrate atomic matter. When atoms are bombarded by very dense and compact beams of extreme relativistic electrons, two qualitatively new -- and very efficient -- ionization mechanisms arise: the tunnel or over-barrier ionization and the coherent impact ionization, which are driven by the low- and high-frequency parts, respectively, of the beam field. In these mechanisms significant fractions of the beam electrons act coherently, strongly enhancing the ionization process. They are also very sensitive to the spatiotemporal structure of the beam that can be used for analysing the beam properties. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_17192 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Ionization of atoms by dense and compact beams of extreme relativistic electrons Kim, S. Müller, C. Voitkiv, A. B. Atomic Physics Ionization is one of the basic physical processes, occurring when charged particles penetrate atomic matter. When atoms are bombarded by very dense and compact beams of extreme relativistic electrons, two qualitatively new -- and very efficient -- ionization mechanisms arise: the tunnel or over-barrier ionization and the coherent impact ionization, which are driven by the low- and high-frequency parts, respectively, of the beam field. In these mechanisms significant fractions of the beam electrons act coherently, strongly enhancing the ionization process. They are also very sensitive to the spatiotemporal structure of the beam that can be used for analysing the beam properties. |
| title | Ionization of atoms by dense and compact beams of extreme relativistic electrons |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2508.17192 |