The hemispherical deflector analyser revisited. I. Motion in the ideal 1/r potential, generalized entry conditions, Kepler orbits and spectrometer basic equation
TJM Zouros, EP Benis - Journal of Electron Spectroscopy and Related …, 2002 - Elsevier
We re-examine the orbits of non-relativistic charged particles in a hemispherical deflector
analyser (HDA) assuming an ideal 1/r potential. The particles start their trajectory within the …
analyser (HDA) assuming an ideal 1/r potential. The particles start their trajectory within the …
Absolute detection efficiencies of low energy H, H−, H+, H2+ and H3+ incident on a multichannel plate detector
BL Peko, TM Stephen - Nuclear Instruments and Methods in Physics …, 2000 - Elsevier
Measured absolute detection efficiencies are presented for H, H− and Hn+ (n= 1, 2, 3)
impacting a commercially available, dual multichannel plate (MCP) electron multiplier at …
impacting a commercially available, dual multichannel plate (MCP) electron multiplier at …
Atomic physics with accelerators: Projectile electron spectroscopy (APAPES)
The new research initiative APAPES (http://apapes. physics. uoc. gr/) has already
established a new experimental station with a beam line dedicated for atomic collisions …
established a new experimental station with a beam line dedicated for atomic collisions …
The hemispherical deflector analyser revisited: II. Electron-optical properties
EP Benis, TJM Zouros - Journal of Electron Spectroscopy and Related …, 2008 - Elsevier
Using the basic spectrometer trajectory equation for motion in an ideal 1/r potential derived
in Eq.(101) of part I [TJM Zouros, EP Benis, J. Electron Spectrosc. Relat. Phenom. 125 …
in Eq.(101) of part I [TJM Zouros, EP Benis, J. Electron Spectrosc. Relat. Phenom. 125 …
Determination of the solid angle and response function of a hemispherical spectrograph with injection lens for Auger electrons emitted from long lived projectile states
We present SIMION 8.1 Monte Carlo type simulations of the response function and detection
solid angle for long lived Auger states (lifetime τ∼ 10− 9− 10− 5 s) recorded by a …
solid angle for long lived Auger states (lifetime τ∼ 10− 9− 10− 5 s) recorded by a …
Improving the energy resolution of a hemispherical spectrograph using a paracentric entry at a non-zero potential
EP Benis, TJM Zouros - Nuclear Instruments and Methods in Physics …, 2000 - Elsevier
We demonstrate by ray tracing analysis that the focusing properties of a hemispherical
spectrograph depend critically on the placement of the electron entrance position R 0 and …
spectrograph depend critically on the placement of the electron entrance position R 0 and …
Elastic resonant and nonresonant differential scattering of quasifree electrons from and ions
High-resolution doubly differential cross-section measurements and calculations for
quasifree electrons elastically scattered through 180° from ground-state He-and H-like …
quasifree electrons elastically scattered through 180° from ground-state He-and H-like …
Technique for the determination of the metastable fraction in two-electron ion beams
EP Benis, M Zamkov, P Richard, TJM Zouros - Physical Review A, 2002 - APS
An experimental technique for the determination of the metastable 1 s 2 s 3 S fraction f of two-
electron ion beams is reported. The method utilizes the electron yields of the 1 s 2 p 2 2 D …
electron ion beams is reported. The method utilizes the electron yields of the 1 s 2 p 2 2 D …
Fringing field optimization of hemispherical deflector analyzers using BEM and FDM
O Sise, M Ulu, M Dogan, G Martinez… - Journal of Electron …, 2010 - Elsevier
In this paper we present numerical modeling results for fringing field optimization of
hemispherical deflector analyzers (HDAs), simulated using boundary-element and finite …
hemispherical deflector analyzers (HDAs), simulated using boundary-element and finite …
Ion trap charge detection mass spectrometry: Lowering limits of detection and improving signal to noise
NC Contino - 2013 - search.proquest.com
Mass spectrometry has come a long way since its early days of measuring the mass of
electrons, protons, and isotopes. With the advent of electrospray ionization, the world of …
electrons, protons, and isotopes. With the advent of electrospray ionization, the world of …