Extreme ultraviolet to visible dispersed single photon detection for highly sensitive sensing of fundamental processes in diverse samples

A Hans, P Schmidt, C Ozga, G Hartmann, X Holzapfel… - Materials, 2018 - mdpi.com
The detection of a single photon is the most sensitive method for sensing of photon
emission. A common technique for single photon detection uses microchannel plate arrays …

Direct evidence for radiative charge transfer after inner-shell excitation and ionization of large clusters

A Hans, V Stumpf, X Holzapfel, F Wiegandt… - New Journal of …, 2018 - iopscience.iop.org
We directly observe radiative charge transfer (RCT) in Ne clusters by dispersed vacuum-
ultraviolet photon detection. The doubly ionized Ne 2+–${{\rm {N}}{\rm {e}}} _ {n-1} $ initial …

Real-time dynamics of the formation of hydrated electrons upon irradiation of water clusters with extreme ultraviolet light

AC LaForge, R Michiels, M Bohlen, C Callegari… - Physical review …, 2019 - APS
Free electrons in a polar liquid can form a bound state via interaction with the molecular
environment. This so-called hydrated electron state in water is of fundamental importance …

Multi-instrument analysis of far-ultraviolet aurora in the southern hemisphere of comet 67P/Churyumov-Gerasimenko

P Stephenson, M Galand, PD Feldman, A Beth… - Astronomy & …, 2021 - aanda.org
Aims. We aim to determine whether dissociative excitation of cometary neutrals by electron
impact is the major source of far-ultraviolet (FUV) emissions at comet 67P/Churyumov …

Vibrationally Resolved Absorption and Fluorescence Cross Sections of Adamantane in the Far-ultraviolet Spectral Range on an Absolute Scale

L Marder, A Breier, N de Oliveira, P Reiss… - The Astrophysical …, 2023 - iopscience.iop.org
High-resolution absorption, dispersed fluorescence emission, and photoionization cross
sections are presented for gas-phase adamantane excited by synchrotron radiation in the …

Sensitive detection and imaging of H2O density through Rydberg resonant femtosecond laser induced photofragmentation fluorescence

TA Livingston Large, CJ Kliewer - The Journal of Chemical Physics, 2024 - pubs.aip.org
A femtosecond laser induced photofragmentation fluorescence (fs-LIPF) scheme for the
sensitive detection and imaging of water vapor is presented. Two photons of 244.3 nm excite …

Optical fluorescence detected from x-ray irradiated liquid water

A Hans, C Ozga, R Seidel, P Schmidt… - The journal of …, 2017 - ACS Publications
Despite its importance, the structure and dynamics of liquid water are still poorly understood
in many apsects. Here, we report on the observation of optical fluorescence upon soft X-ray …

X-ray absorption spectroscopy of the chiral molecules fenchone, α-pinene, limonene and carvone in the C1s excitation region

C Ozga, K Jänkälä, P Schmidt, A Hans, P Reiß… - Journal of Electron …, 2016 - Elsevier
Relative ionization cross sections and fluorescence intensities as functions of the exciting-
photon energy were recorded for the chiral molecules carvone, α-pinene, limonene and …

Photon-excitation photon-emission maps (PhexPhem maps) with rovibronic resolution as a data base for theory and astrophysics part I: method and first results for H2

P Schmidt, A Knie, A Hans, K Hosaka… - Journal of Physics B …, 2021 - iopscience.iop.org
Photon-excitation photon-emission maps (PhexPhem maps) with rovibronic resolution as a
data base for theory and astrophysics part I: method and first results for H2 - IOPscience …

A photochemical model of ultraviolet atomic line emissions in the inner coma of comet 67P/Churyumov-Gerasimenko

S Raghuram, A Bhardwaj - Icarus, 2020 - Elsevier
Alice ultraviolet spectrometer onboard Rosetta space mission observed several
spectroscopic emissions emanated from volatile species of comet 67P/Churyumov …