76 citations · 225 across the 19 of their papers we have counts for
20 papers
Valence Ionization Of Water Clusters Formed Inside Helium Nanodroplets
Subhendu De, Sivarama Krishnan, Niklas Sheel +5
The ionization mechanisms of small HO/DO clusters embedded in helium nanodroplets (HNDs) irradiated with extreme ultraviolet photons of energy = 21.6 eV are investigat…
XUV fluorescence as a probe of interatomic Coulombic decay of resonantly excited He nanodroplets
Keshav Sishodia, Ltaief Ben Ltaief, Niklas Scheel +15
Superfluid He nanodroplets resonantly excited by extreme ultraviolet (XUV) pulses exhibit complex relaxation dynamics, including the formation of metastable excited He atoms tr…
Interatomic Coulombic decay in lithium-doped large helium nanodroplets induced by photoelectron impact excitation
L. Ben Ltaief, K. Sishodia, J. D. Asmussen +5
Irradiation of condensed matter with ionizing radiation generally causes direct photoionization as well as secondary processes that often dominate the ionization dynamics. Here, la…
Observation of sequential three-body dissociation of camphor molecule -- a native frame approach
S. De, S. Mandal, Sanket Sen +11
The three-body dissociation dynamics of the dicationic camphor molecule (CHO) resulting from Auger decay are investigated using soft X-ray synchrotron radiatio…
Fragmentation of Water Clusters Formed in Helium Nanodroplets by Charge Transfer and Penning Ionization
S. De, A. R. Abid, J. D. Asmussen +6
Helium nanodroplets ("HNDs") are widely used for forming tailor-made clusters and molecular complexes in a cold, transparent, and weakly-interacting matrix. Characterization of emb…
Observation of interatomic Coulombic decay induced by double excitation of helium in nanodroplets
B. Bastian, J. D. Asmussen, L. Ben Ltaief +9
Interatomic Coulombic decay (ICD) plays a crucial role in weakly bound complexes exposed to intense or high-energy radiation. So far, neutral or ionic atoms or molecules have been…
Spectroscopically resolved resonant interatomic Coulombic decay in photoexcited large He nanodroplets
L. Ben Ltaief, K. Sishodia, R. Richter +8
Interatomic Coulombic decay (ICD) processes play a crucial role in weakly bound complexes exposed to intense or high-energy radiation. Using large helium nanodroplets, we demonstra…
Secondary ionization of pyrimidine nucleobases and their microhydrated derivatives in helium nanodroplets
Jakob D. Asmussen, Abdul R. Abid, Akgash Sundaralingam +7
Radiation damage in biological systems by ionizing radiation is predominantly caused by secondary processes such as charge and energy transfer leading to the breaking of bonds in D…
Dopant ionization and efficiency of ion and electron ejection from helium nanodroplets
Jakob D. Asmussen, Ltaief Ben Ltaief, Keshav Sishodia +5
Photoionization spectroscopy and mass spectrometry of doped helium (He) nanodroplets rely on the ability to efficiently detect ions and/or electrons. Using a commercial quadrupole…
Electron energy loss and angular asymmetry induced by elastic scattering in helium droplets
Jakob D. Asmussen, Keshav Sishodia, Björn Bastian +10
Helium nanodroplets are ideal model systems to unravel the complex interaction of condensed matter with ionizing radiation. Here we study the effect of purely elastic electron scat…
Efficient Indirect Interatomic Coulombic Decay Induced by Photoelectron Impact Excitation in Large He Nanodroplets
L. Ben Ltaief, K. Sishodia, S. Mandal +7
Ionization of matter by energetic radiation generally causes complex secondary reactions which are hard to decipher. Using large helium nanodroplets irradiated by XUV photons, we s…
Bright continuously-tunable VUV source for ultrafast spectroscopy
Lucie Jurkovičová, Ltaief Ben Ltaief, Andreas Hult Roos +14
Ultrafast electron dynamics drive phenomena such as photochemical reactions, catalysis, and light harvesting. To capture such dynamics in real-time, femtosecond to attosecond light…
A new endstation for extreme-ultraviolet spectroscopy of free clusters and nanodroplets
Björn Bastian, Jakob D. Asmussen, Ltaief Ben Ltaief +5
We present a new endstation for the AMOLine of the ASTRID2 synchrotron at Aarhus University, which combines a cluster and nanodroplet beam source with a velocity map imaging and ti…
Fourfold Differential Photoelectron Circular Dichroism
K. Fehre, N. M. Novikovskiy, S. Grundmann +28
We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s-photoelectrons in coincidence with fragment i…
A Multipurpose End-Station for Atomic, Molecular and Optical Sciences and Coherent Diffractive Imaging at ELI Beamlines
Eva Klimešová, Olena Kulyk, Ziaul Hoque +20
We report on the status of a users' end-station, MAC: a Multipurpose station for Atomic, molecular and optical sciences and Coherent diffractive imaging, designed for studies of st…
A new route for enantio-sensitive structure determination by photoelectron scattering on molecules in the gas phase
K. Fehre, N. M. Novikovskiy, S. Grundmann +28
X-ray as well as electron diffraction are powerful tools for structure determination of molecules. Studies on randomly oriented molecules in the gas-phase address cases in which mo…
Photoelectron spectroscopy of coronene molecules embedded in helium nanodroplets
L. Ben Ltaief, M. Shcherbinin, S. Mandal +5
We present the first measurement of a one-photon extreme-ultraviolet photoelectron spectrum (PES) of molecules embedded in superfluid helium nanodroplets. The PES of coronene is co…
Electron transfer mediated decay of alkali dimers attached to He nanodroplets
Ltaief Ben Ltaief, Mykola Shcherbinin, Suddhasattwa Mandel +8
Alkali metal dimers attached to the surface of helium nanodroplets are found to be efficiently doubly ionized by electron transfer-mediated decay (ETMD) when photoionizing the heli…
Charge-exchange dominates long-range interatomic Coulombic decay of excited metal-doped He nanodroplets
L. Ben Ltaief, M. Shcherbinin, S. Mandal +9
Atoms and molecules attached to rare gas clusters are ionized by an interatomic autoionization process traditionally termed 'Penning ionization' when the host cluster is resonantly…
Observation of enhanced chiral asymmetries in the inner-shell photoionization of uniaxially oriented methyloxirane enantiomers
Maurice Tia, Martin Pitzer, Gregor Kastirke +38
Most large molecules are chiral in their structure: they exist as two enantiomers, which are mirror images of each other. Whereas the rovibronic sublevels of two enantiomers are al…