Coplanar symmetric (e, 2e) measurements from calcium at low energy

AJ Murray, D Cvejanovic - … of Physics B: Atomic, Molecular and …, 2003 - iopscience.iop.org
Abstract Coplanar symmetric (e, 2e) results are presented for the ionization of calcium by
electron impact. The incident electron energy was varied from 10.1 to 64.6 eV, the outgoing …

A new approach to the complete photoionization experiment, by means of a coincidence measurement between autoionized electrons and polarized fluorescent …

HJ Beyer, JB West, KJ Ross, K Ueda… - Journal of Physics B …, 1995 - iopscience.iop.org
By using synchrotron radiation to excite calcium atoms in the 3p-3d resonance region,
excited calcium ions are generated. In the first measurement of this kind, we have measured …

First angle-resolved photoelectron measurements following inner-shell resonant excitation in a singly charged ion

S Al Moussalami, JM Bizau, B Rouvellou, D Cubaynes… - Physical review …, 1996 - APS
We have measured the angular distribution of electrons emitted in the autoionization of the
giant resonance 3 p 6 4 s S 2→[(3 p 5 3 d P 1) 4 s] 2 P in Ca+ ions over the profile of the …

Evolution from spectator to normal Auger lines through the thresholds observed in the Ca 3p excitation region

K Ueda, JB West, NM Kabachnik, Y Sato, KJ Ross… - Physical Review A, 1996 - APS
Measurements are presented of the variation in energy of spectator Auger transitions as they
evolve to normal Auger transitions, for Rydberg levels based on the Ca+ 3 p 5 4 s 22 P 1/2 …

Single ionization of calcium by electron impact

D Cvejanović, AJ Murray - … of Physics B: Atomic, Molecular and …, 2003 - iopscience.iop.org
Relative cross sections for the single ionization of calcium were measured in the energy
range from threshold to 100.7 eV using a time-of-flight ion detection method. Simultaneous …

Angular correlation measurement between the photo-excited autoionized electron and subsequent polarized fluorescent photon at an autoionization resonance of Sr

JB West, KJ Ross, K Ueda… - Journal of Physics B …, 1998 - iopscience.iop.org
We demonstrate that the technique of measuring the angular correlation between the
photoejected electron and polarized fluorescent photon can be used to determine all the …

Design and characterization of an atomic beam source with narrow angular divergence for alkali-earth targets

AJ Murray, MJ Hussey… - Measurement Science and …, 2006 - iopscience.iop.org
A new atomic beam source for use in laser-based experiments is described and
characterized. The physically collimated source which has been tested using calcium …

Measurements of double photoionization triple differential cross sections in atomic calcium in experiments

KJ Ross, JB West, HJ Beyer - … of Physics B: Atomic, Molecular and …, 1997 - iopscience.iop.org
Coincidence measurements have been performed of double photoionization in atomic Ca in
the region of the Ca 3p-3d resonance. The two electrons have been detected with equal and …

Vacuum-ultraviolet photoelectron spectroscopy of laser-excited aligned Ca atomsin the 3p-3d resonance region

M Wedowski, K Godehusen, F Weisbarth… - Physical Review A, 1997 - APS
In this work the autoionization of the configuration Ca 3 p 5 3d4s4p of free calcium atoms
has been investigated by the use of angle-resolved photoelectron spectroscopy. In a first …

From direct to resonant photo-double ionization

F Maulbetsch, IL Cooper… - Journal of Physics B …, 2000 - iopscience.iop.org
The concepts developed for direct photo-double ionization are deployed to analyse recent
experimental data for indirect or resonant photo-double ionization of Ca in the region of the …