D. Cubaynes
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View article: Neutralization of Multiply Charged Ground-State Ions by Collective Electron Transfer from an Environment
Neutralization of Multiply Charged Ground-State Ions by Collective Electron Transfer from an Environment Open
Highly charged cations are omnipresent species after the interaction of high-energy or high-intensity light with matter. When embedded in environments, the mechanism and outcome of the redistribution of the cation’s charge are crucial for …
View article: L-shell photoionisation cross sections in the S<sup>+</sup>, S<sup>2+</sup>, S<sup>3+</sup> isonuclear sequence
L-shell photoionisation cross sections in the S<sup>+</sup>, S<sup>2+</sup>, S<sup>3+</sup> isonuclear sequence Open
We present absolute L-shell photoionisation cross sections for the S + , S 2+ , S 3+ ions. The cross sections were obtained using the monochromatised photon beam delivered by the SOLEIL synchrotron source coupled with an ion beam extracted…
View article: Ionic photofragmentation cross sections of the HS<sup>+</sup>, H<sub>2</sub>S<sup>+</sup> and HCl<sup>+</sup> molecular ions near the 2p threshold
Ionic photofragmentation cross sections of the HS<sup>+</sup>, H<sub>2</sub>S<sup>+</sup> and HCl<sup>+</sup> molecular ions near the 2p threshold Open
The ionic photofragmentation cross sections for the HS + , HCl + and H 2 S + molecular hydride ions are presented in the region of the 2p threshold.
View article: Multiphoton single and double ionization of neon in the EUV
Multiphoton single and double ionization of neon in the EUV Open
New information demonstrating the importance of both sequential and simultaneous (or direct) multiphoton ionization of inner shell electrons from neon is discussed in this paper. Ne was irradiated with intense 93 eV free electron laser (FE…
View article: Auger photoelectron coincidence spectroscopy of molecules adsorbed on a gold wire surface
Auger photoelectron coincidence spectroscopy of molecules adsorbed on a gold wire surface Open
In this paper, we present the results on Auger/photoelectron coincidence spectroscopy (APECS) of molecules—propanethiol and bovine serum albumin (BSA)-deposited on a gold wire surface, using a magnetic bottle electron time-of-flight spectr…
View article: L-Shell Photoionization of Magnesium-like Ions with New Results for Cl5+
L-Shell Photoionization of Magnesium-like Ions with New Results for Cl5+ Open
This study reports on the absolute photoionization cross sections for the magnesium-like Cl5+ ion over the 190–370 eV photon energy range, corresponding to the L-shell (2s and 2p subshells) excitation regime. The experiments were performed…
View article: Experimental and theoretical study of resonant core-hole spectroscopies of gas-phase free-base phthalocyanine
Experimental and theoretical study of resonant core-hole spectroscopies of gas-phase free-base phthalocyanine Open
Resonant Auger spectroscopy: a new insight on complex molecules.
View article: First (e,e) coincidence measurements on solvated sodium benzoate in water using a magnetic bottle time-of-flight spectrometer
First (e,e) coincidence measurements on solvated sodium benzoate in water using a magnetic bottle time-of-flight spectrometer Open
Sodium benzoate molecules solvated in water are studied using coincidence electron spectroscopy coupled with a liquid microjet device.
View article: Probing the dynamics of the photo-induced decarboxylation of neutral and ionic pyruvic acid
Probing the dynamics of the photo-induced decarboxylation of neutral and ionic pyruvic acid Open
Combined advanced ab initio treatments and experiments reveal that the pyruvic acid cation decomposes to mostly form HOCO, in contrast to the photodynamics of electronically excited pyruvic acid being dominated by decarboxylation.
View article: Coupling a magnetic bottle multi-electron spectrometer with a liquid micro-jet device: a comprehensive study of solvated sodium benzoate at the O 1 <i>s</i> threshold
Coupling a magnetic bottle multi-electron spectrometer with a liquid micro-jet device: a comprehensive study of solvated sodium benzoate at the O 1 <i>s</i> threshold Open
We have developed a magnetic bottle time-of-flight electron-electron coincidence spectrometer to perform measurements on solvated molecules in a liquid micro-jet. We present here the first results obtained after ionization of the oxygen 1 …
View article: Consistent characterization of the electronic ground state of iron(<scp>ii</scp>) phthalocyanine from valence and core–shell electron spectroscopy
Consistent characterization of the electronic ground state of iron(<span>ii</span>) phthalocyanine from valence and core–shell electron spectroscopy Open
We studied the iron( ii ) phthalocyanine molecule in the gas-phase and characterized its electronic ground-state through consistent corpus of experimental electronic spectra simulated by DFT and charge-transfer-multiplet calculations.
View article: Temporal characterization of a plasma-based seeded XUV laser using a laser-dressed photoionization technique
Temporal characterization of a plasma-based seeded XUV laser using a laser-dressed photoionization technique Open
We report on the development and implementation of a diagnostic for the temporal characterization of seeded XUV laser pulses, based on laser-dressed photoionization in the sideband regime, using a home-made velocity map-imaging spectromete…
View article: Photoionization Cross-Sections of Carbon-Like N+ Near the K-Edge (390–440 eV)
Photoionization Cross-Sections of Carbon-Like N+ Near the K-Edge (390–440 eV) Open
High-resolution K-shell photoionization cross-sections for the C-like atomic nitrogen ion (N+) are reported in the 398 eV (31.15 Å) to 450 eV (27.55 Å) energy (wavelength) range. The results were obtained from absolute ion-yield measuremen…
View article: Photoionization Cross Sections of Carbon-Like N+ near the K-Edge (390 eV - 440 eV)
Photoionization Cross Sections of Carbon-Like N+ near the K-Edge (390 eV - 440 eV) Open
High-resolution K-shell photoionization cross-sections for the C-like atomic nitrogen ion (N+) are reported in the 398 eV (31.15 Å) to 450 eV (27.55 Å) energy (wavelength) range. The results were obtained from absolute ion-yiel…
View article: Single photon simultaneous K-shell ionization/excitation in C <sub>6</sub> H <sub>6</sub> : experiment and theory
Single photon simultaneous K-shell ionization/excitation in C <sub>6</sub> H <sub>6</sub> : experiment and theory Open
Single photon simultaneous core ionization/core excitation (K −2 V) of the Benzene molecule has been observed experimentally, using synchrotron radiation, by electron coincidence spectroscopy with a magnetic bottle time-of-flight electron …
View article: Vibrationally and Spin-Orbit-Resolved Inner-Shell X-ray Absorption Spectroscopy of the NH+ Molecular Ion: Measurements and ab Initio Calculations
Vibrationally and Spin-Orbit-Resolved Inner-Shell X-ray Absorption Spectroscopy of the NH+ Molecular Ion: Measurements and ab Initio Calculations Open
This article presents N2+ fragment yields following nitrogen K-shell photo-absorption in the NH+ molecular ion measured at the SOLEIL synchrotron radiation facility in the photon energy region 390–450 eV. The combination of the high sensit…
View article: Modification of a Cylindrical Mirror Analyzer for High Efficiency Photoelectron Spectroscopy on Ion Beams
Modification of a Cylindrical Mirror Analyzer for High Efficiency Photoelectron Spectroscopy on Ion Beams Open
An existing cylindrical mirror analyzer (CMA) that was initially equipped with eight channeltrons detectors has been modified to install large micro-channel plate detectors to perform parallel detection of electrons on an energy range corr…
View article: Core-hole spectator Auger decay
Core-hole spectator Auger decay Open
International audience
View article: Auger decay of Rubidum atom after 3d-shell ionization
Auger decay of Rubidum atom after 3d-shell ionization Open
Synopsis We present here the different Auger decay paths following 3d inner-shell ionization of Rubidium atom and we observe the peculiar behaviour and correlation effects due to the outer, unpaired 5s electron. This electron can be submit…
View article: Nitrogen K-shell photoionization of NO<sup>+</sup>
Nitrogen K-shell photoionization of NO<sup>+</sup> Open
Synopsis Photoionization measurements of NO + at Nitrogen K-shell, performed at the SOLEIL Light Source will be presented. The main observed structure corresponds to the 1s to π * resonant transition.
View article: Temporal metrology for advanced ultrashort XUV sources
Temporal metrology for advanced ultrashort XUV sources Open
Synopsis A new VMI spectrometer has been developed in order to enable the single-shot characterization of different ultrashort XUV sources through laser-dressed photoionization. The instrument has been commissioned with a plasma-based XUV …
View article: Multi-electron/ion coincidence spectroscopy in Xe triple ionization
Multi-electron/ion coincidence spectroscopy in Xe triple ionization Open
Synopsis The study of atomic multiple photoionization by a single photon can be performed by detecting in coincidence all the corresponding electrons with a magnetic bottle time of flight spectrometer. To reveal minor triple ionization cha…
View article: K-shell Photoionization of the N<sup>+</sup>, NH<sup>+</sup> and NH2+ ions
K-shell Photoionization of the N<sup>+</sup>, NH<sup>+</sup> and NH2+ ions Open
Synopsis Single and double photoionization cross-sections in the photon region straddling the nitrogen K-edge and up to photon energies of ∼450 eV, for the atomic N + and molecular NH + and species were measured at the SOLEIL radia…
View article: Single-shot temporal characterization of ultrashort XUV pulses
Single-shot temporal characterization of ultrashort XUV pulses Open
We report on the development and implementation of a diagnostic for the temporal characterization of ultra- short XUV pulses with a single-shot capability. The method which relies on laser-dressed photoionization in a home-made velocity ma…
View article: Vibrational effects in the photo-ion yield spectrum of the SiH<sub>2</sub> <sup>+</sup> molecular ion following 2p inner-shell excitation
Vibrational effects in the photo-ion yield spectrum of the SiH<sub>2</sub> <sup>+</sup> molecular ion following 2p inner-shell excitation Open
We report on complementary theoretical and laboratory investigations of the 2p ion yield cross sections for the molecular-ion series SiH n + (n = 1, 2, 3), in the 95-108 eV photon energy range, below the L-shell threshold. The experiments …