Search Results - "Averell Gatton"
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1
Step-by-step state-selective tracking of fragmentation dynamics of water dications by momentum imaging
Published in Nature communications (01-09-2022)“…The double photoionization of a molecule by one photon ejects two electrons and typically creates an unstable dication. Observing the subsequent fragmentation…”
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Journal Article -
2
Photoelectron Diffraction Imaging of a Molecular Breakup Using an X-Ray Free-Electron Laser
Published in Physical review. X (08-06-2020)“…A central motivation for the development of x-ray free-electron lasers has been the prospect of time-resolved single-molecule imaging with atomic resolution…”
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3
Attosecond coherent electron motion in Auger-Meitner decay
Published in Science (American Association for the Advancement of Science) (21-01-2022)“…In quantum systems, coherent superpositions of electronic states evolve on ultrafast time scales (few femtoseconds to attoseconds; 1 attosecond = 0.001…”
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4
Multi‐resolution electron spectrometer array for future free‐electron laser experiments
Published in Journal of synchrotron radiation (01-09-2021)“…The design of an angular array of electron time‐of‐flight (eToF) spectrometers is reported, intended for non‐invasive spectral, temporal, and polarization…”
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5
Double Core-Hole Generation in O2 Molecules Using an X-Ray Free-Electron Laser: Molecular-Frame Photoelectron Angular Distributions
Published in Physical review letters (16-10-2020)“…We report on a multiparticle coincidence experiment performed at the European X-ray Free-Electron Laser at the Small Quantum Systems instrument using a…”
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6
Double Core-Hole Generation in O 2 Molecules Using an X-Ray Free-Electron Laser: Molecular-Frame Photoelectron Angular Distributions
Published in Physical review letters (14-10-2020)Get full text
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7
Electron Correlation in the Two-Color Photoionization and Laser Dissociation of H+2
Published 01-01-2018“…We have constructed, to our knowledge, a first of its kind two-color pulsed synchrotron (XUV) and strong field laser (IR) COld Target Recoil Ion Momentum…”
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Dissertation -
8
Machine Learning at the Edge for Ultra High Rate Detectors
Published in 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) (01-10-2019)“…Several large physics experiments face an increasingly large "data firehose". Raw data generation exceeds TB/s rates for several existing and planned…”
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Conference Proceeding -
9
Photoelectron and fragmentation dynamics of the H + + H + dissociative channel in NH 3 following direct single-photon double ionization
Published in Physical review research (09-10-2020)Get full text
Journal Article -
10
Photoelectron and fragmentation dynamics of the H^{+}+H^{+} dissociative channel in NH_{3} following direct single-photon double ionization
Published in Physical review research (01-10-2020)“…We report measurements on the H^{+}+H^{+} fragmentation channel following direct single-photon double ionization of neutral NH_{3} at 61.5 eV, where the two…”
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11
Double Core-Hole Generation in O_{2} Molecules Using an X-Ray Free-Electron Laser: Molecular-Frame Photoelectron Angular Distributions
Published in Physical review letters (16-10-2020)Get full text
Journal Article -
12
Multi-Resolution Electron Spectrometer Array for Future Free-Electron Laser Experiments
Published 12-03-2021“…We report the design of an angular array of electron Time-of-Flight (eToF) spectrometers intended for non-invasive spectral, temporal, and polarization…”
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Journal Article -
13
Mechanisms and dynamics of the NH$_2^{+}$ + H$^{+}$ and NH$^{+}$ + H$^{+}$ + H fragmentation channels upon single-photon double ionization of NH$_3
Published 26-08-2020“…J. Phys. B: At. Mol. Opt. Phys. 53, 244003 (2020) We present state-selective measurements on the NH$_2^{+}$ + H$^{+}$ and NH$^{+}$ + H$^{+}$ + H dissociation…”
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14
Photoelectron and fragmentation dynamics of the H$^{+}$ + H$^{+}$ dissociative channel in NH$_3$ following direct single-photon double ionization
Published 26-08-2020“…Phys. Rev. Research 2, 043056 (2020) We report measurements on the H$^{+}$ + H$^{+}$ fragmentation channel following direct single-photon double ionization of…”
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15
Attosecond Coherent Electron Motion in Auger-Meitner Decay
Published 18-05-2021“…In quantum systems, coherent superpositions of electronic states evolve on ultrafast timescales (few femtosecond to attosecond, 1 as = 0.001 fs = 10^{-18} s),…”
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16
Generation and Characterization of Attosecond Pulses from an X-Ray Free-Electron Laser
Published in 2019 Conference on Lasers and Electro-Optics (CLEO) (01-05-2019)“…In this report we discuss the generation of attosecond soft-x-ray pulses at Linac Coherent Light Source (LCLS). We meausre the attosecond pulses in time domain…”
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Conference Proceeding -
17
Attosecond Transient Absorption Spooktroscopy: a ghost imaging approach to ultrafast absorption spectroscopy
Published 16-09-2019“…The recent demonstration of isolated attosecond pulses from an X-ray free-electron laser (XFEL) opens the possibility for probing ultrafast electron dynamics…”
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Journal Article