Search Results - "Zhaunerchyk, Vitali"
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Theoretical studies of infrared signatures of proton‐bound amino acid dimers with homochiral and heterochiral moieties
Published in Chirality (New York, N.Y.) (01-03-2020)“…Proton‐bound homochiral and heterochiral dimers, X‐H+‐X, of five amino acids (X = Ser, Ala, Thr, Phe, and Arg) are investigated theoretically using quantum…”
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Far-infrared amide IV-VI spectroscopy of isolated 2- and 4-Methylacetanilide
Published in The Journal of chemical physics (14-09-2016)“…Delocalized molecular vibrations in the far-infrared and THz ranges are highly sensitive to the molecular structure, as well as to intra- and inter-molecular…”
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Double Photoionization of Nitrosyl Chloride by Synchrotron Radiation in the 24-70 eV Photon Energy Range
Published in Molecules (Basel, Switzerland) (05-07-2023)“…The behavior of nitrosyl chloride (ClNO) exposed to ionizing radiation was studied by direct probing valence-shell electrons in temporal coincidence with ions…”
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Clustering of atomic displacement parameters in bovine trypsin reveals a distributed lattice of atoms with shared chemical properties
Published in Scientific reports (17-12-2019)“…Low-frequency vibrations are crucial for protein structure and function, but only a few experimental techniques can shine light on them. The main challenge…”
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Rotationally Resolved Excitation Spectra Measured by Slow Electron Detachment from Si2
Published in The journal of physical chemistry letters (02-07-2020)“…Laser-induced delayed electron detachment from Si2 – stored in an electrostatic ion storage ring was observed on the 10 microsecond time scale. The excitation…”
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High‐resolution macromolecular crystallography at the FemtoMAX beamline with time‐over‐threshold photon detection
Published in Journal of synchrotron radiation (01-01-2021)“…Protein dynamics contribute to protein function on different time scales. Ultrafast X‐ray diffraction snapshots can visualize the location and amplitude of…”
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A localized view on molecular dissociation via electron-ion partial covariance
Published in Communications chemistry (28-03-2022)“…Inner-shell photoelectron spectroscopy provides an element-specific probe of molecular structure, as core-electron binding energies are sensitive to the…”
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Multiple Explosion Pathways of the Deuterated Benzene Trication in 9-fs Intense Laser Fields
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (19-03-2009)“…The fragmentation of deuterated benzene (C6D6) in ultrashort intense laser fields (9 fs, 1 × 1015 W/cm2) is studied by the ion-coincidence momentum imaging…”
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Selective amplification of the lower-frequency branch via stimulated super-radiance in a waveguided free electron laser oscillator driven by short electron bunches
Published in Applied physics letters (06-12-2010)“…In this letter, we propose a mechanism to extend the spectral range of a waveguided free electron laser (FEL) oscillator driven by a rf LINAC toward…”
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Multimode dynamics in a short-pulse THz free electron laser
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-05-2014)“…The interaction of waveguide modes and consequences on laser operation are studied numerically in a THz free electron laser (FEL) driven by short electron…”
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Influence of waveguide dispersion on short-pulse free electron laser detuning curves
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-05-2012)“…In this paper we present results of numerical studies on the cavity desynchronization in the short-pulse waveguided free electron laser (FEL) oscillator FLARE,…”
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Dissociative recombination of fully deuterated protonated acetonitrile, CD3CND+: product branching fractions, absolute cross section and thermal rate coefficient
Published in Physical chemistry chemical physics : PCCP (01-01-2008)“…The dissociative recombination of fully deuterated protonated acetonitrile, CD(3)CND(+), has been investigated at the CRYRING heavy ion storage ring, located…”
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Matter manipulation with extreme terahertz light: Progress in the enabling THz technology
Published in Physics reports (12-12-2019)“…Terahertz (THz) light has proven to be a fine tool to probe and control quasi-particles and collective excitations in solids, to drive phase transitions and…”
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Single-photon hot electron ionization of C$_{70}
Published 11-10-2022“…Gas phase C$_{70}$ molecules have been ionized with single photons of energies between 16 eV and 70 eV and the electron spectra measured with velocity map…”
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Indication of 3 10 -Helix Structure in Gas-Phase Neutral Pentaalanine
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (02-02-2023)“…We investigate the gas-phase structure of the neutral pentaalanine peptide. The IR spectrum in the 340-1820 cm frequency range is obtained by employing…”
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Indication of 310-Helix Structure in Gas-Phase Neutral Pentaalanine
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (02-02-2023)“…We investigate the gas-phase structure of the neutral pentaalanine peptide. The IR spectrum in the 340–1820 cm–1 frequency range is obtained by employing…”
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Structure of Proton-Bound Methionine and Tryptophan Dimers in the Gas Phase Investigated with IRMPD Spectroscopy and Quantum Chemical Calculations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (26-03-2020)“…The structures of three proton-bound dimers (Met2H+, MetTrpH+, and Trp2H+) are investigated in the gas phase with infrared multiple photon disassociation…”
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Conformational Preferences of Isolated Glycylglycine (Gly-Gly) Investigated with IRMPD-VUV Action Spectroscopy and Advanced Computational Approaches
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (31-01-2019)“…In this article, we report the results of gas-phase IR spectroscopy of neutral glycylglycine (Gly-Gly) in the 700–1850 cm–1 frequency range. A combination of…”
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IRMPD Spectroscopy of Homo- and Heterochiral Asparagine Proton-Bound Dimers in the Gas Phase
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (02-09-2021)“…We investigate gas-phase structures of homo- and heterochiral asparagine proton-bound dimers with infrared multiphoton dissociation (IRMPD) spectroscopy and…”
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