Resonances in Electron Impact on Atoms

Effects of Configuration Interaction on Intensities and Phase Shifts

1961 • 10,623 citations

Theoretical nuclear physics

1953 • 2,858 citations

On the Behavior of Cross Sections Near Thresholds

1948 • 1,832 citations

Line Profiles in the Far-uv Absorption Spectra of the Rare Gases

1965 • 878 citations

Collision phenomena in ionized gases

1965 • 865 citations

Electronic and Ionic Impact Phenomena

1970 • 859 citations

Stabilization Method of Calculating Resonance Energies: Model Problem

1970 • 736 citations

Physics of atomic collisions

1971 • 559 citations

Electronic and Atomic Collisions

1957 • 490 citations

Absorption Studies of Helium Metastable Atoms and Molecules

1955 • 396 citations

Electron Transmission Spectroscopy: Rare Gases

1972 • 396 citations

Electron Monochromator Design

1967 • 377 citations

Characteristics of the Trochoidal Electron Monochromator

1970 • 373 citations

Elastic Scattering of Low-Energy Electrons by Atomic Hydrogen

1962 • 348 citations

The Influence of Close Coupling on the Threshold Behaviour of Cross Sections of Electron-Hydrogen Scattering

1963 • 326 citations

Polarization and Exchange Effects in the Scattering of Electrons from Atoms with Application to Oxygen

1957 • 306 citations

Compound-Atom States for Two-Electron Systems

1965 • 284 citations

Electron Energy Distributions from Ionizing Collisions of Helium and Neon Ions with Helium

1966 • 256 citations

Elastic Resonances in Electron Scattering from He, Ne, Ar, Kr, Xe, and Hg

1965 • 253 citations

Total Electron—Atom Collision Cross Sections at Low Energies—A Critical Review

1971 • 228 citations

Scattering Theory of Absorption-Line Profiles and Refractivity

1967 • 218 citations

Measurement of Excitation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">N</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, CO, and He by Electron Impact

1959 • 209 citations

Correlation in the elastic and inelastic S-wave scattering of electrons by H and He⁺

1966 • 200 citations

Absolute Total Electron-Helium-Atom Scattering Cross Sections for Low Electron Energies

1965 • 197 citations

Theoretical Approach to the Calculation of Energies and Widths of Resonant (Autoionizing) States in Many-Electron Atoms

1972 • 178 citations

The scattering of electrons by sodium atoms

1972 • 170 citations

Resonance in the Elastic Scattering of Electrons in Helium

1963 • 169 citations

Physics of the One- and Two-Electron Atoms

1970 • 168 citations

High Resolution, Low Energy Electron Spectrometer

1964 • 165 citations

Low-Energy Scattering of Electrons by Helium

1969 • 162 citations

Electron scattering by atomic hydrogen using a pseudo-state expansion I. Elastic scattering

1969 • 161 citations

Theoretical Electron Affinities for Some of the Alkali and Alkaline-Earth Elements

1968 • 155 citations

Low-energy electron scattering by atomic hydrogen: I. The close-coupling approximation

1967 • 153 citations

Excitation of Metastable Levels in Helium near Threshold

1957 • 149 citations

Experimental and Theoretical Studies of Electron-Impact Excitation of Neon

1970 • 143 citations

Qualitative Aspects of Resonances in Electron—Atom and Electron—Molecule Scattering, Excitation, and Reactions

1966 • 142 citations

Resonances in Electron Scattering by Atoms and Molecules

1968 • 137 citations

Low-energy electron scattering by atomic hydrogen: II. The correlation method

1967 • 135 citations

Electron Excitation of the Sodium<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>D</mml:mi></mml:math>Lines

1972 • 134 citations

Absolute Measurements of Total Cross Sections for the Scattering of Low-Energy Electrons by Atomic and Molecular Oxygen

1967 • 125 citations

Classification of Resonances in the Electron Scattering Cross Section of Ne and He

1963 • 119 citations

Polarization of Lyman-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>α</mml:mi></mml:math>Radiation Emitted in Electron Collisions with Hydrogen Atoms and Molecules

1970 • 118 citations

Variational Calculations on Electron-Helium Scattering

1972 • 113 citations

Electron impact excitation of hydrogen Lyman-a radiation

1968 • 105 citations

Hylleraas Variational Calculation of Auto-Ionization States

1967 • 104 citations

Electron detachment from H^-ions by electron impact

1970 • 103 citations

Determination of the Excitation Functions for Formation of Metastable States of Some Rare Gases and Diatomic Molecules by Electron Impact

1965 • 102 citations

The scattering of electrons by lithium atoms

1969 • 102 citations

Identification of Energy Levels of Negative Ions

1965 • 101 citations

New Investigation of the 1SeAutoionizing States of He and H−

1966 • 100 citations

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>e</mml:mi></mml:math>-H Resonances in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>2</mml:mn><mml:mi>p</mml:mi></mml:math>Excitation Channel

1969 • 99 citations

Second Bound State for the Hydrogen Negative Ion

1970 • 98 citations

The Absorption Coefficient for Slow Electrons in Alkali Metal Vapors

1929 • 98 citations

Observation of Autoionization Levels in He by Positive Ion Bombardment

1964 • 94 citations

Low energy elastic scattering of electrons by Li and Na

1971 • 92 citations

Polarization Effects in the Elastic Scattering of Electrons from Helium

1964 • 89 citations

Electron Photodetachment from Ions and Elastic Collision Cross Sections for O, C, Cl, and F

1962 • 86 citations

Atomic Collision Processes

1964 • 86 citations

New Autoionizing Levels in Helium

1965 • 85 citations

Distorted-Wave Calculation of Electron Impact Excitation of the Rare Gases

1971 • 83 citations

Low-energy electron scattering by atomic hydrogen: IV. The effect of resonances on excitation in e^--H scattering

1967 • 80 citations

Die Winkelabh�ngigkeit der Resonanzstreuung niederenergetischer Elektronen an He, Ne, Ar und N2

1966 • 79 citations

Resonances in the Total Cross Sections for Metastable Excitation of Noble Gases by Electron Impact

1968 • 78 citations

Natural Line Shapes Resolved in the Ionization Yield of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>below the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>2</mml:mn><mml:mn /></mml:math>Threshold

1971 • 77 citations

Bound-State Calculation of Scattering Resonance Energies

1970 • 76 citations

Measurement of Total Cross Sections for the Scattering of Low-Energy Electrons by Lithium, Sodium, and Potassium

1962 • 76 citations

Resonance Quasi-Projection Operators: Calculation of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>S</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>Autoionization State of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">He</mml:…

1972 • 73 citations

Resonant scattering of electrons by atomic systems

1966 • 73 citations

Low-Energy Electron Scattering from Atomic Oxygen

1961 • 72 citations

Die differentiellen Anregungsfunktionen dern+2-Zustände von Helium

1968 • 71 citations

Vibrational Excitation in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">N</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>by Electron Impact in the 15-35-eV Region

1972 • 70 citations

Electron Transmission Spectroscopy in Atomic Hydrogen

1972 • 66 citations

Angle and Channel Dependence of Resonances in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>e</mml:mi></mml:math>-He Scattering near 60 eV

1966 • 65 citations

Short-Lived Resonant State of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>

1972 • 65 citations

Effect of Virtual Excitation of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>2</mml:mn><mml:mi>s</mml:mi></mml:math>State on the Elastic Scattering of Electrons by Atomic Hydrogen

1962 • 64 citations

Cross-Section Profiles of Resonances in the Photoionization Continuum of Krypton and Xenon (600-400 Å)

1971 • 64 citations

Low-energy electron scattering by atomic hydrogen: V. Photoionization of H^-in the vacuum ultra-violet

1967 • 63 citations

A symmetric electrostatic lenses of three apertures

1970 • 62 citations

Resonances in the Inelastic Cross Section of Helium

1964 • 56 citations

Lowest<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>S</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>P</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>3</mml:mn></mml:mrow…

1967 • 53 citations

Resonances in electron scattering from CO

1972 • 51 citations

Experiments on Resonances in the Elastic Cross Section of Electrons on Rare-Gas Atoms

1964 • 51 citations

Autoionizing 2s22p43s3l States of Ne and Related Ne− Resonances

1972 • 51 citations

Die Winkelabh�ngigkeit der unelastischen Resonanzstreuung niederenergetischer Elektronen an Helium

1967 • 50 citations

Resonant differential scattering of electrons by helium

1969 • 47 citations

Experiment on the Resonance in the Elastic Scattering of Electrons by Atomic Hydrogen

1964 • 47 citations

Structures in the Low-Energy<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>e</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>-He Scattering Cross Sections

1970 • 47 citations

On the existence of doubly negative charged heavy ions

1971 • 46 citations

Electron-Impact Excitation of 3s3p6nl States of Ar

1971 • 45 citations

Excitation of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>2</mml:mn><mml:mi>p</mml:mi></mml:math>State of Hydrogen by Electrons of Near-Threshold Energy

1964 • 45 citations

A cusp in low energy electron-sodium scattering

1972 • 45 citations

Helium Excitation Cross Sections near Threshold

1957 • 45 citations

Electron-H-Atom Elastic-Scattering Resonances

1965 • 44 citations

Electrostatic cylinder lenses III: three element asymmetric voltage lenses

1972 • 43 citations

An Energy Modulated High Energy Resolution Electron Spectrometer

1971 • 43 citations

Calculations on some excited states of He?

1970 • 42 citations

Autoionization States of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Na</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>

1972 • 40 citations

Inelastic Scattering of Electrons by Helium

1965 • 38 citations

Observation of a Broad Resonance in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi>S</mml:mi></mml:math>Excitation of Helium by Electron Impact

1972 • 38 citations

Decay of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mo>(</mml:mo><mml:mn>2</mml:mn><mml:mn /><mml:mrow><mml:msup><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mn>2</mml:mn><mml:mi>p</mml:mi><mml:mo>)</mml:mo><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>P</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow…

1969 • 36 citations

Electron-Impact Excitation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>2</mml:mn><mml:mn /></mml:math>States in He

1966 • 35 citations

On the narrow resonance in the scattering of electrons by atomic hydrogen

1965 • 35 citations

Structure observed during detailed measurements of detachment from H^-by electron impact

1970 • 35 citations

Electron beam spectroscopy

1965 • 32 citations

Electron impact excitation and ionization of helium near 60 eV

1969 • 31 citations

Multichannel Resonances in the Inelastic Scattering of Electrons by Helium

1967 • 29 citations

Resonance in Elastic Scattering of Electrons by Helium Atoms

1963 • 27 citations

Autoionizing and Negative-Ion States in Neon

1969 • 27 citations

Kurzlebige Compoundzustände in der niederenergetischen Elektron-Helium-Streuung

1968 • 27 citations

Two Autodetaching States of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>

1971 • 27 citations

A simple method of obtaining resonance energies from broadened profiles in scattering experiments

1972 • 25 citations

Autodetachment States of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>

1973 • 24 citations

Excitation of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mo>(</mml:mo><mml:mn>2</mml:mn><mml:mn /><mml:mrow><mml:msup><mml:mrow><mml:mi>p</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mo>)</mml:mo><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>P</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>3</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>State of Helium near…

1970 • 24 citations

'Zero gap' electrostatic aperture lenses

1971 • 23 citations

A narrow resonance in the elastic scattering of electrons by helium

1965 • 18 citations

Polarization of lithium and sodium atom resonance lines excited by electron impact

1970 • 17 citations

Comparison of the Calculated and Observed Resonances in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>e</mml:mi><mml:mo>−</mml:mo><mml:mi mathvariant="normal">H</mml:mi></mml:math>Elastic-Scattering Channel above 10.0 eV

1969 • 16 citations

Near threshold electron impact excitation functions for the n=2 states of helium by the trapped-electron method

1972 • 16 citations

1. Electron-Atom Interactions

1968 • 16 citations

Angular Dependence of Resonance Structure in Atomic Hydrogen

1966 • 15 citations

Resonances and long-range effects

1964 • 15 citations

Post-Threshold Behavior of the Cross Sections for the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi>s</mml:mi><mml:mo>−</mml:mo><mml:mn>2</mml:mn><mml:mi>p</mml:mi></mml:math>Excitation by Electron Impact

1968 • 14 citations

Optische Messung der Elektronenstoß-Anregung von Xenon und molekularem Stickstoff im Schwellenbereich mit hoher Energieauflösung

1972 • 13 citations

Remarks on Doubly Excited States of the Negative Atomic Hydrogen Ion

1960 • 10 citations

Optische Messung der Elektronenstoß-Anregung von Helium, Neon und Krypton im Schwellenbereich mit hoher Energieauflösung

1972 • 10 citations

Excitation function of the mercury line at 5461 Å, measured with an improved electron energy distribution

1965 • 7 citations

Variational calculations for the three-electron systems He- and Be+

1968 • 6 citations

Variational-Bound Methods for Auto-Ionization States. II. Three-Electron Atoms

1971 • 6 citations

Some Three-Body Atomic System

1970 • 6 citations

High resolution measurement of optical excitation functions of helium and neon

1972 • 5 citations

Elastic scattering of slow electrons by atomic oxygen

1965 • 3 citations