OH+ and HO 2+ cations play a significant role in the chemistry of the cold interstellar
medium and hence their hydrogen abstraction reactions with H2 have to be included in ion …

Formation of OH+ in collisions of ground-state O+(4 S) ions with normal H 2 has been
studied using a variable temperature 22-pole RF ion trap. From 300 to 30 K the measured …

We report the first systematic photoelectron measurements of the three outer-valence bands
of liquid water as a function of the ionizing photon energy in the near-threshold region. We …

The VUv Laser for Considering Astrophysical and Isolated Molecules (VULCAIMs) setup
[Harper et al., Phys. Chem. Chem. Phys. 24, 2777 (2022)] integrates a narrow-bandwidth …

We have performed a full-dimensional theoretical study of vibrationally resolved
photoelectron emission from the valence shell of the water molecule by using an extension …

Theoretical predictions of the three lowest adiabatic and vertical ionization potentials of
water were obtained from the Feller-Peterson-Dixon approach. This approach combines …

Dynamical or spatial properties of charged species can be obtained using electrostatic
lenses by velocity map imaging (VMI) or spatial map imaging (SMI), respectively. Here, we …

Spectroscopy of transient anions and radicals by gated and accelerated time-of-flight
experiment is a new spectrometer developed in UCLouvain. This instrument measures high …

Astrochemical models often adopt capture theories to predict the behavior of experimentally
unmeasured ion–molecule reactions. Here, reaction rate coefficients are reported for the …

The work described in this thesis revolves around the development of experimental
methodologies to study and interpret time-resolved photoelectron spectroscopy (TRPES) of …