Interaction of positron beams with surfaces, thin films, and interfaces
PJ Schultz, KG Lynn - Reviews of Modern Physics, 1988 - APS
Recent advances in the study of solid surfaces and thin films using variable-energy positron
beams are reviewed. In the first part the authors discuss the process of positron moderation …
beams are reviewed. In the first part the authors discuss the process of positron moderation …
Positronium
S Berko, HN Pendleton - Annu. Rev. Nucl. Sci.;(United States), 1980 - osti.gov
Subject: 74 ATOMIC AND MOLECULAR PHYSICS; POSITRONIUM; ANNIHILATION; FINE
STRUCTURE; PARTICLE PRODUCTION; S STATES; EXPERIMENTAL DATA; LYMAN …
STRUCTURE; PARTICLE PRODUCTION; S STATES; EXPERIMENTAL DATA; LYMAN …
Experimental progress in positronium laser physics
DB Cassidy - The European Physical Journal D, 2018 - Springer
The field of experimental positronium physics has advanced significantly in the last few
decades, with new areas of research driven by the development of techniques for trapping …
decades, with new areas of research driven by the development of techniques for trapping …
[图书][B] Nonlinear laser spectroscopy
VS Letokhov, VP Chebotayev - 1977 - Springer
The laser as a source of coherent optical radiation has made it possible to investigate
nonlinear interaction of optical radiation with atoms and mole cules. Its availability has given …
nonlinear interaction of optical radiation with atoms and mole cules. Its availability has given …
Observation of the positronium negative ion
AP Mills Jr - Physical Review Letters, 1981 - APS
A beam of 400-eV positrons is partially transmitted through a 40-Å C film in vacuum.
Measuring the γ-ray energy spectrum with a downstream Ge (Li) detector, a new γ-ray peak …
Measuring the γ-ray energy spectrum with a downstream Ge (Li) detector, a new γ-ray peak …
Precision Microwave Spectroscopy of the Positronium Fine Structure
We report a new measurement of the positronium (Ps) 2 S 3 1→ 2 P 3 0 interval. Slow Ps
atoms, optically excited to the radiatively metastable 2 S 3 1 level, flew through a microwave …
atoms, optically excited to the radiatively metastable 2 S 3 1 level, flew through a microwave …
Characterization of defects in Si and SiO2−Si using positrons
In the past few years, there has been rapid growth in the positron annihilation spectroscopy
(PAS) of overlayers, interfaces, and buried regions of semiconductors. There are few other …
(PAS) of overlayers, interfaces, and buried regions of semiconductors. There are few other …
Positronium formation at surfaces
AP Mills Jr - Physical review letters, 1978 - APS
A beam of positrons is used to study positronium (Ps) formation at the surfaces of clean,
single-crystal targets. The Ps formation probability changes with incident energy E as (EE 0+ …
single-crystal targets. The Ps formation probability changes with incident energy E as (EE 0+ …
Positronium cooling in porous silica measured via Doppler spectroscopy
We have measured the kinetic energy of positronium (Ps) atoms emitted into a vacuum from
a porous silica film subsequent to positron bombardment, via the Doppler spread of the …
a porous silica film subsequent to positron bombardment, via the Doppler spread of the …
Transmission of 1-6-keV positrons through thin metal films
AP Mills Jr, RJ Wilson - Physical Review A, 1982 - APS
We report measurements of the transmission of 1-6-keV energy positrons through films of Al,
Cu, and Si up to 3000 Å thick. When the thickness is expressed in terms of mass per unit …
Cu, and Si up to 3000 Å thick. When the thickness is expressed in terms of mass per unit …