Auger cascades leading to higher charged states in xenon driven by an X-ray free-electron-laser pulse
We study the interaction of xenon with an 850 eV photon energy FEL pulse. We compute single-photon ionisation cross sections and Auger rates by adopting to atoms a formalism we previously developed for diatomic molecules. In this formulation, a bound orbital is expressed as a sum of wave functions e...
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| Veröffentlicht in: | The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2020-05, Vol.74 (5), Article 98 |
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| container_title | The European physical journal. D, Atomic, molecular, and optical physics |
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| creator | Banks, Henry I. B. Hadjipittas, Antonis Emmanouilidou, Agapi |
| description | We study the interaction of xenon with an 850 eV photon energy FEL pulse. We compute single-photon ionisation cross sections and Auger rates by adopting to atoms a formalism we previously developed for diatomic molecules. In this formulation, a bound orbital is expressed as a sum of wave functions each corresponding to a different
l
quantum number. In contrast, in previous formulations only one
l
quantum number is associated with a bound orbital. As a result, in the non-relativistic regime, the description of the bound states is more accurate in our computations. Employing a Monte-Carlo technique, we find that our results for the ion state yields of xenon compare well with experimental results. Moreover, we find that when xenon is driven by two FEL pulses of the same energy but different pulse duration, higher-charged states are produced in the case of the longer duration and less intense laser pulse. An analysis of the ionization pathways reveals that less single-photon absorptions underlie the formation of each higher-charged state for the longer duration pulse compared to the shorter one. We find that the reason for the formation of higher-charged states for the longer duration pulse is the prevalence of Auger cascades.
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| doi_str_mv | 10.1140/epjd/e2020-100416-6 |
| format | Article |
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l
quantum number. In contrast, in previous formulations only one
l
quantum number is associated with a bound orbital. As a result, in the non-relativistic regime, the description of the bound states is more accurate in our computations. Employing a Monte-Carlo technique, we find that our results for the ion state yields of xenon compare well with experimental results. Moreover, we find that when xenon is driven by two FEL pulses of the same energy but different pulse duration, higher-charged states are produced in the case of the longer duration and less intense laser pulse. An analysis of the ionization pathways reveals that less single-photon absorptions underlie the formation of each higher-charged state for the longer duration pulse compared to the shorter one. We find that the reason for the formation of higher-charged states for the longer duration pulse is the prevalence of Auger cascades.
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l
quantum number. In contrast, in previous formulations only one
l
quantum number is associated with a bound orbital. As a result, in the non-relativistic regime, the description of the bound states is more accurate in our computations. Employing a Monte-Carlo technique, we find that our results for the ion state yields of xenon compare well with experimental results. Moreover, we find that when xenon is driven by two FEL pulses of the same energy but different pulse duration, higher-charged states are produced in the case of the longer duration and less intense laser pulse. An analysis of the ionization pathways reveals that less single-photon absorptions underlie the formation of each higher-charged state for the longer duration pulse compared to the shorter one. We find that the reason for the formation of higher-charged states for the longer duration pulse is the prevalence of Auger cascades.
Graphical abstract</description><subject>Applications of Nonlinear Dynamics and Chaos Theory</subject><subject>Atomic</subject><subject>Augers</subject><subject>Cascades</subject><subject>Computer simulation</subject><subject>Diatomic molecules</subject><subject>Free electron lasers</subject><subject>Ionization cross sections</subject><subject>Molecular</subject><subject>Monte Carlo simulation</subject><subject>Optical and Plasma Physics</subject><subject>Photons</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Pulse duration</subject><subject>Quantum Information Technology</subject><subject>Quantum Physics</subject><subject>Regular Article</subject><subject>Spectroscopy/Spectrometry</subject><subject>Spintronics</subject><subject>Wave functions</subject><subject>Xenon</subject><issn>1434-6060</issn><issn>1434-6079</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9kE1LAzEQhoMoWKu_wEvAc2yymc3aYyl-QcGLgreQJpPtljVbk12x_97UFb15moF5nxnmIeRS8GshgM9wt3UzLHjBmeAchGLqiEwESGCKV_Pj317xU3KW0pZzXpSgJgQXQ42RWpOscZhoi8Y1oaZ9RzdNvTmMNibW6GjqTZ8DTaCfGLpAXWw-MND1nppAX1k0e-ojIsMWbR-7wFqTMr4b2oTn5MSbXC9-6pS83N0-Lx_Y6un-cblYMStV1TNwrlJKeHsjFJboQXoAW3LE0qwVCDDF2rj8kPOCW3SgpJCZ5L6cg5NSTsnVuHcXu_cBU6-33RBDPqkL4KWqAOQ8p-SYsrFLKaLXu9i8mbjXguuDT33wqb996tGnVpmCkUo5HbK0v93_YV9jQnra</recordid><startdate>20200501</startdate><enddate>20200501</enddate><creator>Banks, Henry I. B.</creator><creator>Hadjipittas, Antonis</creator><creator>Emmanouilidou, Agapi</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200501</creationdate><title>Auger cascades leading to higher charged states in xenon driven by an X-ray free-electron-laser pulse</title><author>Banks, Henry I. B. ; Hadjipittas, Antonis ; Emmanouilidou, Agapi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-4dd7661fc816e5ef43f44c50ee5ab6414a2bad079df10ced463133670f594d333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applications of Nonlinear Dynamics and Chaos Theory</topic><topic>Atomic</topic><topic>Augers</topic><topic>Cascades</topic><topic>Computer simulation</topic><topic>Diatomic molecules</topic><topic>Free electron lasers</topic><topic>Ionization cross sections</topic><topic>Molecular</topic><topic>Monte Carlo simulation</topic><topic>Optical and Plasma Physics</topic><topic>Photons</topic><topic>Physical Chemistry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Pulse duration</topic><topic>Quantum Information Technology</topic><topic>Quantum Physics</topic><topic>Regular Article</topic><topic>Spectroscopy/Spectrometry</topic><topic>Spintronics</topic><topic>Wave functions</topic><topic>Xenon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Banks, Henry I. B.</creatorcontrib><creatorcontrib>Hadjipittas, Antonis</creatorcontrib><creatorcontrib>Emmanouilidou, Agapi</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Banks, Henry I. B.</au><au>Hadjipittas, Antonis</au><au>Emmanouilidou, Agapi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Auger cascades leading to higher charged states in xenon driven by an X-ray free-electron-laser pulse</atitle><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle><stitle>Eur. Phys. J. D</stitle><date>2020-05-01</date><risdate>2020</risdate><volume>74</volume><issue>5</issue><artnum>98</artnum><issn>1434-6060</issn><eissn>1434-6079</eissn><abstract>We study the interaction of xenon with an 850 eV photon energy FEL pulse. We compute single-photon ionisation cross sections and Auger rates by adopting to atoms a formalism we previously developed for diatomic molecules. In this formulation, a bound orbital is expressed as a sum of wave functions each corresponding to a different
l
quantum number. In contrast, in previous formulations only one
l
quantum number is associated with a bound orbital. As a result, in the non-relativistic regime, the description of the bound states is more accurate in our computations. Employing a Monte-Carlo technique, we find that our results for the ion state yields of xenon compare well with experimental results. Moreover, we find that when xenon is driven by two FEL pulses of the same energy but different pulse duration, higher-charged states are produced in the case of the longer duration and less intense laser pulse. An analysis of the ionization pathways reveals that less single-photon absorptions underlie the formation of each higher-charged state for the longer duration pulse compared to the shorter one. We find that the reason for the formation of higher-charged states for the longer duration pulse is the prevalence of Auger cascades.
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| subjects | Applications of Nonlinear Dynamics and Chaos Theory Atomic Augers Cascades Computer simulation Diatomic molecules Free electron lasers Ionization cross sections Molecular Monte Carlo simulation Optical and Plasma Physics Photons Physical Chemistry Physics Physics and Astronomy Pulse duration Quantum Information Technology Quantum Physics Regular Article Spectroscopy/Spectrometry Spintronics Wave functions Xenon |
| title | Auger cascades leading to higher charged states in xenon driven by an X-ray free-electron-laser pulse |
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