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 …
First storage of ion beams in the Double Electrostatic Ion-Ring Experiment: DESIREE
First storage of ion beams in the Double Electrostatic Ion-Ring Experiment: DESIREE | Review
of Scientific Instruments | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt …
of Scientific Instruments | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt …
The double electrostatic ion ring experiment: A unique cryogenic electrostatic storage ring for merged ion-beams studies
RD Thomas, HT Schmidt, G Andler… - Review of Scientific …, 2011 - pubs.aip.org
We describe the design of a novel type of storage device currently under construction at
Stockholm University, Sweden, using purely electrostatic focussing and deflection elements …
Stockholm University, Sweden, using purely electrostatic focussing and deflection elements …
Cooling dynamics of energized naphthalene and azulene radical cations
Naphthalene and azulene are isomeric polycyclic aromatic hydrocarbons (PAHs) and are
topical in the context of astrochemistry due to the recent discovery of substituted …
topical in the context of astrochemistry due to the recent discovery of substituted …
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 …
Photodetachment as a destruction mechanism for CN− and C3N− anions in circumstellar envelopes
SS Kumar, D Hauser, R **dra, T Best… - The Astrophysical …, 2013 - iopscience.iop.org
Absolute photodetachment cross sections of two anions of astrophysical importance CN−
and C 3 N− were measured to be (1.18±(0.03) stat (0.17) sys)× 10− 17 cm 2 and …
and C 3 N− were measured to be (1.18±(0.03) stat (0.17) sys)× 10− 17 cm 2 and …
Precision Lifetime Measurements of in a Cryogenic Electrostatic Ion-Beam Trap
We have developed a small purely electrostatic ion-beam trap which may be operated in
thermal equilibrium at precisely controlled temperatures down to 10 K. Thus, we avoid …
thermal equilibrium at precisely controlled temperatures down to 10 K. Thus, we avoid …
Simultaneous electrostatic trap** of merged cation & anion beams
Simultaneous trap** of merged cation and anion beams in the hybrid electrostatic ion
beam trap (HEIBT) opens new opportunities for the study of the interactions of isolated …
beam trap (HEIBT) opens new opportunities for the study of the interactions of isolated …
Electrostatic storage rings for atomic and molecular physics
HT Schmidt - Physica Scripta, 2015 - iopscience.iop.org
A significant number of electrostatic ion-storage rings have been built since the late 1990s or
are currently in their construction or commisioning phases. In this short contribution, we …
are currently in their construction or commisioning phases. In this short contribution, we …