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| Publications |
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Differential positronium-formation cross sections for Ne, Ar, Kr and Xe
Roadmap on photonic, electronic and atomic collision physics II. Electron and Antimatter interactions
Angle-resolved electron scattering from H2O near 0 degree
A statistical description of scattering at the quantum level
Resonant scattering of positronium as a quasi-free electron
High-resolution measurements of e+ + H2O total cross section
S.E. Fayer, A. Loreti, S.L. Andersen, A. Kover and G. Laricchia J. Phys. B 49 (2016) 075202 http://iopscience.iop.org/article/10.1088/0953-4075/49/7/075202/meta OPEN ACCESS
Positronium production and scattering below its break-up threshold
Moderation and diffusion of positrons in tungsten meshes and foils
An electrostatic positron beam for atomic and molecular collision experiments
Positronium beam production and scattering at low energies
Absolute Differential Positronium-Formation Cross Sections
An electrostatic brightness-enhanced timed positron beam for atomic collision experiments
Collimated positronium production from gases
Ionization cross-sections for positron collisions with N2
Experimental Aspects of Ionization Studies by Positron and Positronium Impact
Electron-like and resonant scattering of positronium
Positronium formation with excitation
Positronium Collision Physics
Production of Collimated Positronium by Positron Scattering from CO2, N2 and Xe
Positronium Formation and Scattering from Biologically Relevant Molecules
Resonant Scattering of Positronium in Collision with CO2
Electron-Like Scattering of Positronium
Simultaneous Ionization and Excitation of Molecules by Positron Impact
Fragmentation in positronium collisions with atoms
Positronium formation cross-sections for Xe, CO2 and N2
Differential Ionization Studies by Positron Impact
Progress Towards a Positron Reaction Microscope
Ionization in positron- and positronium-collisions with atoms and molecules
Excited-state positronium formation from helium, argon and xenon
Ion production by positron impact on H2O
Ionizing Collisions by Positrons and Positronium Impact on the
Inert Atoms
Fragmentation of positronium in collision with xenon
Direct non-dissociative and dissociative ionization of CO2 by
positron impact
Double-differential ionization cross-section for H2O
On the XIIIth International Workshop on low-energy e+ and Ps physics
Positronium- and positron-H2O total cross-sections
Collisions Involving Positronium
Energy sharing asymmetries in ionisation by positron impact
Positron-impact ionization and positronium formation from helium
Production and scattering of a positronium beam
On the energy dependence of the annihilation cross-sections for
positrons in collisions with atoms and molecules
Low energy positron induced ionization in He and Ne
Differential ionization experiments on positron-atom scattering
Investigation into the energy dependence of the annihilation cross-sections
for Ne and Xe below the positronium formation threshold
Positronium induced collisions
Differential ionization experiments on positron-atom scattering
Positron and positronium interactions with atoms and molecules
Production of collimated positronium from molecular nitrogen
Fragmentation of positronium in collision with He atoms
Empirical scaling of positron- and electron-impact ionization
cross sections
Total positron-impact ionization and positronium formation from
the noble gases
Scattering of positrons and positronium by atoms and molecules
Positronium scattering from atoms and molecules
On the normalization of the positron-impact direct ionization
cross-section in the noble gases
Electron ejection by positron impact ionization
Energy dependence of the total ionization and positronium formation
cross-sections in e+ - Xe collisions
Correlations between cross sections and threshold energies for
positronium formation and direct ionization
Triply differential ionization cross-section of H2 by 50 eV impact-energy
positrons
Correlations between ionization cross-sections and threshold energies
in electron-, positron- proton- and antiproton-atom collisions
A parallel plate analyser with time focussing
On the formation of excited state positronium in vacuum by positron
impact on untreated surfaces
Correlations between cross-sections and threshold energies for
positronium formation and direct ionization
The effect of forward-angle scattering on positronium-gas total
cross sections
Electron-capture-to-the-continuum by positron impact
Rare gas solid moderator for Ps beam at UCL
Ionization and fragmentation of CCl2F2, CClF3, CF4, and CHF3 by
positron impact
Correlations between cross sections and threshold energies for
positronium formation
Atomic and molecular physics with positrons and positronium
Positrons and Positronium Collisions
Double ionization of Noble Gases by Positron Impact
Low energy positron-argon elastic scattering at 30o
Collisions involving antiparticles
Fragmentation and ionization of CH3Cl by positron impact
From positron to positronium scattering
An electrostatic beam for positron-gas scattering measurements
Positronium beam scattering from atoms and molecules
Positron impact ionisation of atoms
Triply differential study of positron impact ionization of H2
Electron ejection from ionising positron-atom collisions
On the annihilation of positrons in binary encounters with molecules
Fragmentation and ionization of CH3F by positron and
electron impact
Possible antihydrogen formation in antiproton-positronium reactions:
where we've been and where we're going
Antihydrogen production an d precision experiments - The ATHENA
collaboration
Antihydrogen production and precision experiments
Single and double ionization of neon, krypton and xenon
by positron impact
Of positron scattering and annihilation from molecules
Semiempirical approach to positron annihilation in molecules
Experimental demonstration of hydrogen formation following the
interaction of protons with positronium
Hydrogen formation by proton impact on positronium
Threshold and channel-coupling effects in positron elastic scattering
from noble gases
Fragmentation of CH3F by positron impact
Ionization of rare gases by particle-antiparticle impact
Stored positrons for antihydrogen production
Near-threshold ionization of He and H2
by positron impact
Possibilities for antihydrogen formation by antiproton-positronium
collisions
Antihydrogen from antiproton positronium collision
'Deutch, Bernie Irwin'
Antihydrogen synthesis by collisions between antiprotons and positronium
atoms
Differential cross-section measurements in positron-argon scattering
Positron-argon elastic, positronium formation and ionising
collisions at 60ş
Positronium beam production and positronium scattering from molecular
hydrogen
Ps beam production and scattering from gaseous targets
Collsions of positrons and positronium with atoms and molecules
Of atomic collsions with positrons and positronium
Positron scattering on atoms and molecules near the positronium
threshold
Positron scattering on atoms and molecules near the positronium
threshold
Single ionization by positron impact
Ionization in collisions between 30-1000 keV antiprotons and atomic-hydrogen
The ORELA positron-scattering program - progress in the first
energy-analysis experiments
Positronium-argon scattering
Positron dynamics in surface-charged solid argon
Ionization of atomic-hydrogen by 30-1000 kev antiprotons
Nondissociative and dissociative ionization of N -2
, CO, CO2 , and CH4 by impact
of 50-6000 kev protons and antiprotons
Positron and positronium collisions
Ionization of He, Ar and H2 by positron
impact at intermediate energies
A gated positron beam incorporating a scattering cell and novel
ion extractor
Near-threshold ionization by positron impact
Antihydrogen Physics
Angular-correlation studies of positron-annihilation in the noble-gases
Early experiments with slow positrons in atomic physics
Differential ionization studies at forward angles
Doubly differential cross sections for collisions of 100eV positrons
and electrons with argon atoms
Near threshold effects in positron-atom (molecule) scattering
Threshold effects in positron scattering on noble gases
Positronium beam technology
Positronium interactions in atomic physics
The production of low-energy positrons and positronium
Antihydrogen synthesis by the reaction of antiprotons with excited-state
positronium atoms
Positron-impact ionization of atomic-hydrogen
Ionization by positrons and electrons of Ar at zero degrees
Ionization of CO2 by positron impact
Positronium beams and surfaces
Near-threshold effects in positron-O2 scattering
Studies of positron moderation in surface charged rare-gas solids
Total ionization cross sections of He, H2
and Ar by positron impact
Measurement of the positronium formation potential for Ag(100)
Positronium formation from silver
Crossed-beam measurement of binding-energies of positronium compounds
- a preliminary-study
Positronium formation in the heavier noble gases in the presence
of a static electric field
Elastic positron-helium scattering near the positronium formation
threshold
An experiment to measure the radiative lifetime of the 2p state
of positronium
An electrostatic system for investigating positron-atom collisions
Recent advances in the characte rization of a Ps beam
Positronium beam production by positron-gas interactions
Field assisted positron moderation by surface charging of rare-gas
solids
Ejected-electron energy spectra in low energy positron-argon collisions
Electron-emission spectra in low-energy positron-atom collisions
The new magnetically confined positron beam at UCL
Collision phenomena involving positronium
A new timed slow positron beam
Thermal-activation of positronium from thin Ag(100) films in backscattering
and transmission geometries
Diagnostics of a positronium beam
Antihydrogen production in collisions of antiprotons with excited
states of positronium
The physics of low-energy positron collisions
Positron impact phenomena
The effect of laser annealing of thin W(100) films on positron
transmission reemission properties
Improvement of rare-gas solid moderators by using conical geometry
Single ionization of H -2
, He, Ne and Ar by positron impact
Double ionization of noble gases by positron and electron impact
Free positron-annihilation in gases under the influence of a static
electric-field
Antihydrogen by positronium-antiproton collisions
Measurement of positron mobility in silicon
Single-crystal nickel foils as positron transmission-mode moderators
Positron and electron impact double ionisation of helium
Antihydrogen production by positronium antiproton collisions in
an ion trap
Observation of simultaneous positronium formation and excitation
in positron-CO2 scattering
The production of a timed tunable beam of positronium atoms
Experimentation with thin single crystal-W foils as slow positron
transmission mode moderators
Low-energy positron beams - origins, developments and applications
A field-assisted moderator for low-energ y positron beams
Applications of accelerator-based low-energy positron beams in
atomic physics
A proposed source of atomic hydrogen suitable for the measurement
of total and partial scattering cross sections
On antihydrogen formation in collisions of antiprotons with positronium
Density dependence of positron annihilation and positronium formation
in H2 at temperatures between 77 and 297K
On the production of a timed positronium beam by positron-gas
scattering
The production of collimated beams of o-Ps atoms using charge
exchange in positron-gas collisions
Low energy positron transmission measurement from thin single-crystal
W foil
Experimental aspects of positron and positronium physics
On the annihilation rate of thermalized free positrons in gases
Comment on the density and electric-field dependence of the positronium
fraction in gaseous methane
A determination of positron mobilities in low-density gases
Effect of an electric-field on ps formation in gaseous CO2
Experimental studies of positrons scattering in gases
Evidence for ps formation in spurs in high-density gaseous CO2
The temperature-dependence of free positron lifetimes and positronium
fractions in gaseous CO2 and SF6
Excited state positronium formation in low density gases
The annihilation of positrons and positronium formation in gaseous
Kr and Xe
Measurements of low-energy positron/electron-Ne and positron-Ar
total scattering cross sections
Positronium formation cross sections in the inert gases
Total scattering cross sections for low-energy positrons in the
molecular gases H2 , N2 , CO2
, O2 and CH2
Positron lifetime parameters in H -2
, CO2 and CH4
Positron lifetime spectra for gases
Rotational excitation and momentum-transfer in slow positron-molecule
collisions
Positronium and positronium ions
The energy dependence of positronium formation in gases
The interactions of positrons with gaseous atoms and molecules
Total cross-sections for the scattering of positrons by helium,
neon and argon at intermediate energies |