Cold physics and chemistry: Collisions, ionization and reactions inside helium nanodroplets close to zero K

A Mauracher, O Echt, AM Ellis, S Yang, DK Bohme… - Physics Reports, 2018 - Elsevier
This review provides a comprehensive overview of the applications of helium nanodroplets
in the study of ensembles of atoms and molecules, ie clusters and complexes. These …

Knockout driven reactions in complex molecules and their clusters

M Gatchell, H Zettergren - … of Physics B: Atomic, Molecular and …, 2016 - iopscience.iop.org
Energetic ions lose some of their kinetic energy when interacting with electrons or nuclei in
matter. Here, we discuss combined experimental and theoretical studies on such impulse …

Pickup and reactions of molecules on clusters relevant for atmospheric and interstellar processes

M Fárník, J Fedor, J Kočišek, J Lengyel… - Physical Chemistry …, 2021 - pubs.rsc.org
In this perspective, we review experiments with molecules picked up on large clusters in
molecular beams with the focus on the processes in atmospheric and interstellar chemistry …

Molecular growth inside of polycyclic aromatic hydrocarbon clusters induced by ion collisions

R Delaunay, M Gatchell, P Rousseau… - The journal of …, 2015 - ACS Publications
The present work combines experimental and theoretical studies of the collision between
keV ion projectiles and clusters of pyrene, one of the simplest polycyclic aromatic …

Size effect in the ionization energy of PAH clusters

C Joblin, L Dontot, GA Garcia… - The Journal of …, 2017 - ACS Publications
We report the first experimental measurement of the near-threshold photoionization spectra
of polycyclic aromatic hydrocarbon clusters made of pyrene C16H10 and coronene …

Formations of Dumbbell and inside Clusters of Molecules by Collision <?format ?>with Particles

H Zettergren, P Rousseau, Y Wang, F Seitz, T Chen… - Physical review …, 2013 - APS
We report highly selective covalent bond modifications in collisions between keV alpha
particles and van der Waals clusters of C 60 fullerenes. Surprisingly, C 119<? format?>+ …

Failure of hydrogenation in protecting polycyclic aromatic hydrocarbons from fragmentation

M Gatchell, MH Stockett, N de Ruette, T Chen… - Physical Review A, 2015 - APS
A recent study of soft x-ray absorption in native and hydrogenated coronene cations, C 24 H
12+ m+ m= 0–7, led to the conclusion that additional hydrogen atoms protect (interstellar) …

Structures and energetics of neutral and cationic pyrene clusters

L Dontot, F Spiegelman… - The Journal of Physical …, 2019 - ACS Publications
The low energy structures of neutral and cationic pyrene clusters containing up to seven
molecules are searched through a global exploration scheme combining parallel tempering …

Multiple ionization and hydrogen loss from neutral and positively-charged coronene

C Paris, M Alcamí, F Martín… - The Journal of chemical …, 2014 - pubs.aip.org
C 24 H 12 q+⁠. In particular, we have investigated (i) adiabatic and vertical ionization
potentials up to charge q= 9,(ii) the corresponding infrared spectra, and (iii) dissociation …

Absolute fragmentation cross sections in atom-molecule collisions: Scaling laws for non-statistical fragmentation of polycyclic aromatic hydrocarbon molecules

T Chen, M Gatchell, MH Stockett… - The Journal of …, 2014 - pubs.aip.org
We present scaling laws for absolute cross sections for non-statistical fragmentation in
collisions between Polycyclic Aromatic Hydrocarbons (PAH/PAH+) and hydrogen or helium …