Search Results - "Bozek, J. D"
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AMO instrumentation for the LCLS X-ray FEL
Published in The European physical journal. ST, Special topics (01-03-2009)“…Instrumentation is being developed to conduct atomic, molecular and optical science experiments at the Linac Coherent Light Source x-ray free electron laser at…”
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Femtosecond electronic response of atoms to ultra-intense X-rays
Published in Nature (London) (01-07-2010)“…An era of exploring the interactions of high-intensity, hard X-rays with matter has begun with the start-up of a hard-X-ray free-electron laser, the Linac…”
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Accurate prediction of X-ray pulse properties from a free-electron laser using machine learning
Published in Nature communications (05-06-2017)“…Free-electron lasers providing ultra-short high-brightness pulses of X-ray radiation have great potential for a wide impact on science, and are a critical…”
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Measuring the temporal structure of few-femtosecond free-electron laser X-ray pulses directly in the time domain
Published in Nature photonics (24-11-2014)“…Short-wavelength free-electron lasers are now well established as essential and unrivalled sources of ultrabright coherent X-ray radiation. One of the key…”
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Nonlinear atomic response to intense ultrashort x rays
Published in Physical review letters (24-02-2011)“…The nonlinear absorption mechanisms of neon atoms to intense, femtosecond kilovolt x rays are investigated. The production of Ne(9+) is observed at x-ray…”
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Femtosecond X-ray-induced explosion of C60 at extreme intensity
Published in Nature communications (27-06-2014)“…Understanding molecular femtosecond dynamics under intense X-ray exposure is critical to progress in biomolecular imaging and matter under extreme conditions…”
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Experimental verification of the chemical sensitivity of two-site double core-hole states formed by an x-ray free-electron laser
Published in Physical review letters (13-04-2012)“…We have performed x-ray two-photon photoelectron spectroscopy using the Linac Coherent Light Source x-ray free-electron laser in order to study double…”
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Journal Article -
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Ultraintense x-ray induced ionization, dissociation, and frustrated absorption in molecular nitrogen
Published in Physical review letters (25-06-2010)“…Sequential multiple photoionization of the prototypical molecule N2 is studied with femtosecond time resolution using the Linac Coherent Light Source (LCLS). A…”
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Journal Article -
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Dynamics of hollow atom formation in intense x-ray pulses probed by partial covariance mapping
Published in Physical review letters (13-08-2013)“…When exposed to ultraintense x-radiation sources such as free electron lasers (FELs) the innermost electronic shell can efficiently be emptied, creating a…”
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Journal Article -
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Angle-Resolved Auger Spectroscopy as a Sensitive Access to Vibronic Coupling
Published in Physical review letters (13-05-2016)“…In the angle-averaged excitation and decay spectra of molecules, vibronic coupling may induce the usually weak dipole-forbidden transitions by the excitation…”
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High-Resolution Photoelectron Spectroscopy with Angular Selectivity - A Tool To Probe Valence-Rydberg States and Couplings in HCl
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (10-07-2014)“…Due to strong electron correlation effects and electron coupling with nuclear motion, the molecular inner-valence photoionization is still a challenge in…”
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Journal Article -
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Ultrafast X-ray Auger probing of photoexcited molecular dynamics
Published in Nature communications (23-06-2014)“…Molecules can efficiently and selectively convert light energy into other degrees of freedom. Disentangling the underlying ultrafast motion of electrons and…”
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Journal Article -
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Unveiling and driving hidden resonances with high-fluence, high-intensity x-ray pulses
Published in Physical review letters (02-12-2011)“…We show that high fluence, high-intensity x-ray pulses from the world's first hard x-ray free-electron laser produce nonlinear phenomena that differ…”
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Femtosecond-resolved observation of the fragmentation of buckminsterfullerene following X-ray multiphoton ionization
Published in Nature physics (01-12-2019)“…X-ray free-electron lasers have, over the past decade, opened up the possibility of understanding the ultrafast response of matter to intense X-ray pulses. In…”
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Inner-shell photodetachment thresholds : Unexpected long-range validity of the wigner law
Published in Physical review letters (19-08-2005)“…Threshold behavior in inner-shell photodetachment is studied for the first time, specifically with 2-, 3-, or 4-electron emission from He- and S-. The…”
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Journal Article -
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Double core-hole production in N2: beating the Auger clock
Published in Physical review letters (20-08-2010)“…We investigate the creation of double K-shell holes in N2 molecules via sequential absorption of two photons on a time scale shorter than the core-hole…”
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Nanoplasma dynamics of single large xenon clusters irradiated with superintense x-ray pulses from the linac coherent light source free-electron laser
Published in Physical review letters (15-06-2012)“…The plasma dynamics of single mesoscopic Xe particles irradiated with intense femtosecond x-ray pulses exceeding 10(16) W/cm2 from the Linac Coherent Light…”
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Journal Article -
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Coulomb implosion of tetrabromothiophene observed under multiphoton ionization by free-electron-laser soft-x-ray pulses
Published in Physical review. A, Atomic, molecular, and optical physics (11-02-2019)“…Soft-x-ray free-electron-laser pulses were used to create highly charged molecular tetrabromothiophene species by sequential multiphoton ionization from…”
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Journal Article -
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X-ray-optical cross-correlator for gas-phase experiments at the Linac Coherent Light Source free-electron laser
Published in Applied physics letters (19-03-2012)“…X-ray-optical pump-probe experiments at the Linac Coherent Light Source (LCLS) have so far been limited to a time resolution of 280 fs fwhm due to timing…”
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