Imaging the absolute configuration of a chiral epoxide in the gas phase

P Herwig, K Zawatzky, M Grieser, O Heber… - Science, 2013 - science.org
In chemistry and biology, chirality, or handedness, refers to molecules that exist in two
spatial configurations that are incongruent mirror images of one another. Almost all …

Autodetachment of diatomic carbon anions from long-lived high-rotation quartet states

VC Schmidt, R Čurík, M Ončák, K Blaum, S George… - Physical Review Letters, 2024 - APS
We show that strong molecular rotation drastically modifies the autodetachment of C 2-ions
in the lowest quartet electronic state a Σ u+ 4. In the strong-rotation regime, levels of this …

[LIVRE][B] Development and applications of negative ion sources

V Dudnikov - 2019 - Springer
Increased interest in negative ion sources in recent years is strongly associated with the
growing importance of negative ion beams for a range of scientific applications, including for …

Autodetachment spectroscopy of metastable and

R Marion, M Čížek, X Urbain - Physical Review A, 2023 - APS
This paper reports observations of the autodetachment spectrum of D 2− and HD−, resolved
in rovibrational levels presenting lifetimes from 1 to 100 µ s. The electronic kinetic-energy …

Negative hydrogen ion production in a helicon plasma source

J Santoso, R Manoharan, S O'Byrne, CS Corr - Physics of Plasmas, 2015 - pubs.aip.org
In order to develop very high energy (> 1 MeV) neutral beam injection systems for
applications, such as plasma heating in fusion devices, it is necessary first to develop high …

Twenty years of VERA: toward a universal facility for accelerator mass spectrometry

R Golser, W Kutschera - Nuclear Physics News, 2017 - Taylor & Francis
With Accelerator Mass Spectrometry (AMS) ultra-low isotopic abundances (10–12 to 10–16)
of long-lived radionuclides, both natural and anthropogenic, are being measured by …

Coulomb Explosion Imaged Cryptochiral (R,R)‐2,3‐Dideuterooxirane: Unambiguous Access to the Absolute Configuration of (+)‐Glyceraldehyde

K Zawatzky, P Herwig, M Grieser… - … A European Journal, 2014 - Wiley Online Library
The absolute configuration of (R, R)‐2, 3‐dideuterooxirane, which has been independently
determined using Coulomb explosion imaging, has been unambiguously chemically …

Density functional resonance theory of unbound electronic systems

DL Whitenack, A Wasserman - Physical Review Letters, 2011 - APS
Density functional resonance theory (DFRT) is a complex-scaled version of ground-state
density functional theory (DFT) that allows one to calculate the in-principle exact resonance …

[HTML][HTML] Identification of negative ion at m/z 20 produced by atmospheric pressure corona discharge ionization under ambient air

S Fujishima, K Sekimoto, M Takayama - Mass Spectrometry, 2023 - jstage.jst.go.jp
The negative ion at m/z 20 observed at atmospheric pressure corona discharge ionization
mass spectra has been identified by supplying the vapors of deuterium oxide (D 2 O) and H …

A concise method to calculate the target current ion species fraction in D–D and D–T neutron tubes

X Zhou, J Lu, Y Liu, X Ouyang - … and Methods in Physics Research Section …, 2021 - Elsevier
In this study, a theoretical model is proposed to investigate the maximal yield of D–D and D–
T neutron tubes. The relationship between the accelerating voltage and the maximal yield is …