Negative ions in space
Until a decade ago, the only anion observed to play a prominent role in astrophysics was H–
. The bound–free transitions in H–dominate the visible opacity in stars with photospheric …
. The bound–free transitions in H–dominate the visible opacity in stars with photospheric …
Ion chemistry in space
M Larsson, WD Geppert, G Nyman - Reports on Progress in …, 2012 - iopscience.iop.org
We review the gas-phase chemistry in extraterrestrial space that is driven by reactions with
atomic and molecular ions. Ions are ubiquitous in space and are potentially responsible for …
atomic and molecular ions. Ions are ubiquitous in space and are potentially responsible for …
The UMIST database for astrochemistry 2012
D McElroy, C Walsh, AJ Markwick, MA Cordiner… - Astronomy & …, 2013 - aanda.org
We present the fifth release of the UMIST Database for Astrochemistry (UDfA). The new
reaction network contains 6173 gas-phase reactions, involving 467 species, 47 of which are …
reaction network contains 6173 gas-phase reactions, involving 467 species, 47 of which are …
Simulating the density of organic species in the atmosphere of Titan with a coupled ion-neutral photochemical model
We present a one-dimensional coupled ion-neutral photochemical kinetics and diffusion
model to study the atmospheric composition of Titan in light of new theoretical kinetics …
model to study the atmospheric composition of Titan in light of new theoretical kinetics …
[HTML][HTML] Tunnelling measured in a very slow ion–molecule reaction
Quantum tunnelling reactions play an important role in chemistry when classical pathways
are energetically forbidden, be it in gas-phase reactions, surface diffusion or liquid-phase …
are energetically forbidden, be it in gas-phase reactions, surface diffusion or liquid-phase …
Photodissociation and photoionization of molecules of astronomical interest-Updates to the Leiden photodissociation and photoionization cross section database
HR Hrodmarsson, EF Van Dishoeck - Astronomy & Astrophysics, 2023 - aanda.org
Context. Vacuum-ultraviolet (VUV) photons are important drivers of chemical processes in
space. Thus, it is important to accurately characterize and constrain photorates in different …
space. Thus, it is important to accurately characterize and constrain photorates in different …
Uncertainty estimates for theoretical atomic and molecular data
Sources of uncertainty are reviewed for calculated atomic and molecular data that are
important for plasma modeling: atomic and molecular structures and cross sections for …
important for plasma modeling: atomic and molecular structures and cross sections for …
Incomplete rotational cooling in a 22-pole ion trap
Cryogenic 22-pole ion traps have found many applications in ion-molecule reaction kinetics
and in high resolution molecular spectroscopy. For most of these applications it is important …
and in high resolution molecular spectroscopy. For most of these applications it is important …
Experimental investigations into astrophysically relevant ionic reactions
WD Geppert, M Larsson - Chemical reviews, 2013 - ACS Publications
There is not a single Nobel Prize in chemistry awarded to an extraterrestrial chemical
discovery. This is in sharp contrast to the Nobel Prizes in physics, where about 10 prizes …
discovery. This is in sharp contrast to the Nobel Prizes in physics, where about 10 prizes …
Probing Dipole-Bound States Using Photodetachment Spectroscopy and Resonant Photoelectron Imaging of Cryogenically Cooled Anions
Molecular anions with polar neutral cores can support highly diffuse dipole-bound states
below their detachment thresholds due to the long-range charge–dipole interaction. Such …
below their detachment thresholds due to the long-range charge–dipole interaction. Such …