Volume 3, Issue 5

May 1971

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ARTICLES

Electron Correlation in Three-Electron Atoms and Ions

Ronald J. White and Frank H. Stillinger

Phys. Rev. A 3, 1521 (1971) - Published 1 May, 1971

Evaluation of Approximations to Hartree-Fock Exchange

N. O. Folland

Phys. Rev. A 3, 1535 (1971) - Published 1 May, 1971

Effect of Time Ordering in the Unified Theory

J. T. Godfrey, C. R. Vidal, E. W. Smith, and J. Cooper

Phys. Rev. A 3, 1543 (1971) - Published 1 May, 1971

Group Properties of Hydrogenic Radial Functions

Lloyd Armstrong, Jr.

Phys. Rev. A 3, 1546 (1971) - Published 1 May, 1971

Correlation Energies and Auger Rates in Atoms with Inner-Shell Vacancies

Robert L. Chase, Hugh P. Kelly, and H. S. Köhler

Phys. Rev. A 3, 1550 (1971) - Published 1 May, 1971

Measurement of Lifetime and $g$ Factors by Level Crossing and Optical Double Resonance in the OH and OD Free Radicals

Robert L. deZafra, Alan Marshall, and Harold Metcalf

Phys. Rev. A 3, 1557 (1971) - Published 1 May, 1971

High- $Z$ $L$ -Subshell X-Ray Emission Rates

P. Venugopala Rao, J. M. Palms, and R. E. Wood

Phys. Rev. A 3, 1568 (1971) - Published 1 May, 1971

Application of the Projection Technique to Two-Level Atoms

A. Muriel

Phys. Rev. A 3, 1575 (1971) - Published 1 May, 1971

Two-Center Integrals Involving Correlated Orbitals. I. Inclusion of James-Coolidge or Hylleraas $r_{ij}^{n}$ Terms

E. V. Rothstein

Phys. Rev. A 3, 1581 (1971) - Published 1 May, 1971

Measurements of Inelastic Energy Loss in Atomic Collisions of ${Al}^{+}$ , $P^{+}$ , $S^{+}$ , ${Cl}^{+}$ , ${Ar}^{+}$ , $K^{+}$ , and ${Mn}^{+}$ on Argon at keV Energies and Large Scattering Angles

B. Fastrup, G. Hermann, and K. J. Smith

Phys. Rev. A 3, 1591 (1971) - Published 1 May, 1971

Collision Spectroscopy. IV. Semiclassical Theory of Inelastic Scattering with Applications to ${He}^{+}$ +Ne

R. E. Olson and F. T. Smith

Phys. Rev. A 3, 1607 (1971) - Published 1 May, 1971

Production and Detection of the Orientation of Ions by Spin-Exchange Collisions with Optically Pumped Rubidium

H. M. Gibbs and G. G. Churchill

Phys. Rev. A 3, 1617 (1971) - Published 1 May, 1971

Measurements of the Total Cross Section for the Scattering of Low-Energy Electrons by Metastable Argon

Robert Celotta, Howard Brown, Robert Molof, and Benjamin Bederson

Phys. Rev. A 3, 1622 (1971) - Published 1 May, 1971

Angular and Energy Distribution of Cross Sections for Electron Production by 50-300-keV-Proton Impacts on $N_{2}$ , $O_{2}$ , Ne, and Ar

J. B. Crooks and M. E. Rudd

Phys. Rev. A 3, 1628 (1971) - Published 1 May, 1971

Comparison of Experimental and Theoretical Values of Cross Sections for Electron Production by Proton Impact

M. E. Rudd, D. Gregoire, and J. B. Crooks

Phys. Rev. A 3, 1635 (1971) - Published 1 May, 1971

Spectroscopy and Collisional Transfer in ${CH}_{3}$ Cl by Microwave-Laser Double Resonance

L. Frenkel, H. Marantz, and T. Sullivan

Phys. Rev. A 3, 1640 (1971) - Published 1 May, 1971

Ion-Ion Mutual Neutralization Cross Sections Measured by a Superimposed Beam Technique. II. $O_{2}^{+}$ + $O_{2}^{-}$ , $O_{2}^{+}$ + ${NO}_{2}^{-}$ , and ${NO}^{+}$ + ${NO}_{2}^{-}$

James R. Peterson, William H. Aberth, John T. Moseley, and J. Roger Sheridan

Phys. Rev. A 3, 1651 (1971) - Published 1 May, 1971

Production of Ultrahigh Charge States in Heavy-Ion Collisions

G. Ryding, A. Wittkower, and P. H. Rose

Phys. Rev. A 3, 1658 (1971) - Published 1 May, 1971

Excitation of Helium by Proton Impact

A. N. Tripathi, K. C. Mathur, and S. K. Joshi

Phys. Rev. A 3, 1666 (1971) - Published 1 May, 1971

Theory of the Superfluid Transition in Liquid Helium

George Chapline, Jr.

Phys. Rev. A 3, 1671 (1971) - Published 1 May, 1971

Ultrasonic Velocities in Molten Bismuth, Tin, and a 50-at.% Alloy under Pressures up to 8.5 kbar

Victor K. Ablordeppey

Phys. Rev. A 3, 1680 (1971) - Published 1 May, 1971

Phonon Dispersion Relations for hcp ${He}^{4}$ at a Molar Volume of 16 ${cm}^{3}$

R. A. Reese, S. K. Sinha, T. O. Brun, and C. R. Tilford

Phys. Rev. A 3, 1688 (1971) - Published 1 May, 1971

Heat Conduction by Helium II Contained in Small Channels

E. C. Alcaraz and H. H. Madden

Phys. Rev. A 3, 1698 (1971) - Published 1 May, 1971

Transition from Ambipolar to Free Diffusion of Ions

R. A. Gerber, M. A. Gusinow, and J. B. Gerardo

Phys. Rev. A 3, 1703 (1971) - Published 1 May, 1971

Direct Measurement of the Group Velocity of Light

H. G. Danielmeyer and H. P. Weber

Phys. Rev. A 3, 1708 (1971) - Published 1 May, 1971

Kinetic Energies of Atomic Motions in Liquid ${}^{4}{He}$

Alan G. Gibbs and O. K. Harling

Phys. Rev. A 3, 1713 (1971) - Published 1 May, 1971

Sound Absorption in Critical Mixtures

Giovanni D'Arrigo, Luciano Mistura, and Piero Tartaglia

Phys. Rev. A 3, 1718 (1971) - Published 1 May, 1971

Scattering of a Laser Beam by High-Temperature Plasmas

Gray Ward, R. E. Pechacek, and A. W. Trivelpiece

Phys. Rev. A 3, 1721 (1971) - Published 1 May, 1971

Density Operator and Multitime Correlation Functions for Open Systems

Fritz Haake

Phys. Rev. A 3, 1723 (1971) - Published 1 May, 1971

Superradiance

Nicholas E. Rehler and Joseph H. Eberly

Phys. Rev. A 3, 1735 (1971) - Published 1 May, 1971

Space-Time Pair Correlation Function of a Maxwell-Boltzmann Fluid in the $T$ -Approximation for Temperature Green's Functions. I. Theory

Henri R. Leribaux and Noel K. Pope

Phys. Rev. A 3, 1752 (1971) - Published 1 May, 1971

Dynamics of a Q-Switched Laser near Threshold

D. Meltzer and L. Mandel

Phys. Rev. A 3, 1763 (1971) - Published 1 May, 1971

Injection and Thermalization of Hot Electrons in Solid, Liquid, and Gaseous Helium at Low Temperatures

David G. Onn and M. Silver

Phys. Rev. A 3, 1773 (1971) - Published 1 May, 1971

Origin of Ultrasonic Absorption in Methanol

S. K. Kor, S. C. Deorani, and B. K. Singh

Phys. Rev. A 3, 1780 (1971) - Published 1 May, 1971

Master-Equation Approach to Spontaneous Emission. II. Emission from a System of Harmonic Oscillators

G. S. Agarwal

Phys. Rev. A 3, 1783 (1971) - Published 1 May, 1971

COMMENTS

Validity of the Potentials of Hg

M. Fink and A. E. S. Green

Phys. Rev. A 3, 1793 (1971) - Published 1 May, 1971

Announcement

Announcement: Reduction in Page Charges

Phys. Rev. A 3, 1795 (1971) - Published 1 May, 1971