Back to search

Hartree–Fock Approximation to the (ns2)1S Autoionizing States of Helium

Data up to Jan 2025

Published1969
Citations14
References78

Total Citations Per Year

Abstract

References (78)

Effects of Configuration Interaction on Intensities and Phase Shifts

1961 • 10,623 citations

Über die Zuordnung von Wellenfunktionen und Eigenwerten zu den Einzelnen Elektronen Eines Atoms

1934 • 6,923 citations

Introduction to Numerical Analysis.

1981 • 5,717 citations

New Developments in Molecular Orbital Theory

1951 • 5,347 citations

Unified theory of nuclear reactions

1958 • 2,830 citations

A unified theory of nuclear reactions. II

1962 • 2,768 citations

Self-Consistent Field Theory for Open Shells of Electronic Systems

1960 • 1,927 citations

The Wave Mechanics of an Atom with a Non-Coulomb Central Field. Part I. Theory and Methods

1928 • 1,512 citations

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

1965 • 878 citations

New Autoionizing Atomic Energy Levels in He, Ne, and Ar

1963 • 758 citations

Self-Consistent-Field Wave Functions for Hole States of Some Ne-Like and Ar-Like Ions

1965 • 699 citations

Two-Electron Excitation States in Helium.

1965 • 462 citations

Analytical Self-Consistent Field Functions for the Atomic Configurations<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</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:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</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></…

1960 • 422 citations

Classification of Two-Electron Excitation Levels of Helium

1963 • 387 citations

Elastic Scattering of Low-Energy Electrons by Atomic Hydrogen

1962 • 348 citations

�ber Absorptionsserien von Argon, Krypton und Xenon zu Termen zwischen den beiden Ionisierungsgrenzen2 P 3 2/0 und2 P 1 2/0

1935 • 334 citations

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

1963 • 326 citations

Sur l'effet photoélectrique composé

1925 • 310 citations

Compound-Atom States for Two-Electron Systems

1965 • 284 citations

Bemerkung zum Virialsatz

1930 • 275 citations

Atomic Collision Processes

1969 • 255 citations

NUMERICAL SOLUTION OF THE HARTREE–FOCK EQUATIONS

1963 • 250 citations

Self-consistent field, including exchange and superposition of configurations, with some results for oxygen

1939 • 244 citations

Resonances in e--He+scattering and the photoionization of He

1965 • 230 citations

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

1966 • 200 citations

Static Approximation and Bounds on Single-Channel Phase Shifts

1962 • 175 citations

Expansion Approach to Scattering

1967 • 171 citations

Auto-Ionizing States in Helium

1966 • 165 citations

Additional Collision Cross Sections for Helium Especially in the Ionized Continuum

1964 • 164 citations

Allgemeine Quantentheorie der Stoßprozesse

1959 • 155 citations

Interaction between Configurations with Several Open Shells

1965 • 144 citations

Resonances in Electron Scattering by Atoms and Molecules

1968 • 137 citations

Resonances in electron scattering and photon absorption

1965 • 132 citations

Configuration Interaction in the Helium Continuum

1966 • 107 citations

Hylleraas Variational Calculation of Auto-Ionization States

1967 • 104 citations

Observation of Optically Forbidden Transitions in the Continuum of the Rare Gases by Electron Energy Loss Measurements*

1964 • 102 citations

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

1966 • 100 citations

Observation of Autoionization Levels in He by Positive Ion Bombardment

1964 • 94 citations

Excitation of Optically Forbidden States in the Ionization Continuum by Electron Impact

1965 • 87 citations

New Autoionizing Levels in Helium

1965 • 85 citations

Resonant scattering of electrons by atomic systems

1966 • 73 citations

New Lines in the Arc and Spark Spectrum of Helium

1930 • 72 citations

Structure and Oscillator Strengths of Autoionizing Levels in Helium

1965 • 71 citations

Extreme ultraviolet spectra excited by controlled electron impacts

1928 • 68 citations

Theory of Atomic Collisions with Negative Ions: Associative Detachment

1967 • 64 citations

Resonances in the Scattering of Electrons from Atoms

1966 • 63 citations

Atomic Wave Functions for Some Excited States of Helium

1935 • 62 citations

Recently Discovered Auto-Ionizing States of Krypton and Xenon in the λ380–600-Å Region*

1964 • 59 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">H</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>Level of H

1965 • 56 citations

Two-configuration, self-consistent field theory

1966 • 56 citations

The (2s)21S State Solution of the Non-relativistic Schr dinger Equation for Helium and the Negative Hydrogen Ion

1958 • 55 citations

The Dispersion and Absorption of Helium

1932 • 55 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

Quantum defect theory V. Autoionizing and bound states of the neutral beryllium atom

1967 • 52 citations

Calculation of Autoionization Levels in He

1963 • 49 citations

Atomic Energy States for Excited Helium

1935 • 48 citations

Note on a new transition produced by electron impact in helium

1934 • 48 citations

Radial Configurational Interaction in Helium and Similar Atomic Systems

1956 • 48 citations

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

1964 • 47 citations

Electron-H-Atom Elastic-Scattering Resonances

1965 • 44 citations

Scattering of Electrons by Atomic Systems

1968 • 42 citations

Expansion Approach to Low-Energy Electron-Hydrogen-Atom Scattering

1967 • 37 citations

Autoionizing D states in He below then=2 level of He+

1967 • 35 citations

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

1965 • 35 citations

Auger electrons of autoionizing levels of helium

1966 • 34 citations

Scattering of electrons by ionized helium

1964 • 33 citations

The calculation of atomic wave functions

1968 • 30 citations

Numerical Integration of Differential Equations.

1957 • 27 citations

Doubly-Excited States in Helium

1934 • 23 citations

Modification to the Newton—Raphson Method for the Fitting of Nonlinear Functions by Least Squares

1963 • 21 citations

The Calculation of Auto-Ionization Probabilities - II: A Variational Method for Radiationless Transitions with Application to the (2s)21S - (1sks)1S Transition of Helium

1953 • 20 citations

Recherches théoriques sur l'ionisation des atomes en couche interne. - I. Etude des ions Al par la méthode du champ self-consistant

1963 • 18 citations

Resonant scattering of electrons by He+

1964 • 17 citations

Search for Metastable States of the Doubly Excited Negative Hydrogen Ion

1958 • 16 citations

Resonances and long-range effects

1964 • 15 citations

Oscillator Strengths for the 3s^{2}3p ^{2}P-3s3p^{2} ^{2}S Transition in AL I.

1965 • 9 citations

Energy calculation of1Seautoionizing states of He and H-

1966 • 7 citations

Calculation of the Probability of Autoionization in Helium and Lithium Atoms

1960 • 4 citations

Cited By (0)

Loading...