Volume 55, Issue 9

May 1939

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ARTICLES

The Stopping Power of Mercury and of Nitrogen for Cosmic-Ray Electrons

James H. Bartlett, Jr.

Phys. Rev. 55, 803 (1939) - Published 1 May, 1939

Nuclear Isomerism in Element 43

G. T. Seaborg and E. Segrè

Phys. Rev. 55, 808 (1939) - Published 1 May, 1939

Appendix on the Calibration of the Ionization Chamber

W. Gentner and E. Segrè

Phys. Rev. 55, 814 (1939) - Published 1 May, 1939

The Townsend Coefficients for Ionization by Collision in Pure and Contaminated Hydrogen as a Function of the Cathode Material

Donald H. Hale

Phys. Rev. 55, 815 (1939) - Published 1 May, 1939

The Resonance Scattering of Protons by Lithium

E. C. Creutz

Phys. Rev. 55, 819 (1939) - Published 1 May, 1939

Nuclear Spins and Magnetic Moments by the $α$ -Particle Model

R. G. Sachs

Phys. Rev. 55, 825 (1939) - Published 1 May, 1939

The Inner, Initial, Magnetic Permeability of Iron and Nickel at Ultra-High Radiofrequencies

Justin L. Glathart

Phys. Rev. 55, 833 (1939) - Published 1 May, 1939

On the Creation of Pairs or Positrons by Fast Electrons

H. R. Crane and J. Halpern

Phys. Rev. 55, 838 (1939) - Published 1 May, 1939

Neutrons from the Breakup of He

H. Staub and W. E. Stephens

Phys. Rev. 55, 845 (1939) - Published 1 May, 1939

The Magnetic Rotation Spectra of S $O_{2}$ and C $S_{2}$ in the Ultraviolet

P. Kusch and F. W. Loomis

Phys. Rev. 55, 850 (1939) - Published 1 May, 1939

Influence of Atomic Electrons on Radiation and Pair Production

John A. Wheeler and Willis E. Lamb, Jr.

Phys. Rev. 55, 858 (1939) - Published 1 May, 1939

Packing Fraction Differences Among Heavy Elements

Alvin C. Graves

Phys. Rev. 55, 863 (1939) - Published 1 May, 1939

Diurnal and Sidereal Effects and the Meteorologic Influences on Shower and Vertical Intensity of Cosmic Rays

J. Barnóthy and M. Forró

Phys. Rev. 55, 868 (1939) - Published 1 May, 1939

Cosmic-Ray Particles at Great Depth

J. Barnóthy and M. Forró

Phys. Rev. 55, 870 (1939) - Published 1 May, 1939

Symmetry Properties of Variational Functions

H. M. James and A. S. Coolidge

Phys. Rev. 55, 873 (1939) - Published 1 May, 1939

Letters to the Editor

On Stability in the Sense of Poisson for Orbits of Cosmic Rays, and Magnetic Storms

O. Godart

Phys. Rev. 55, 875 (1939) - Published 1 May, 1939

Delayed Neutron Emission from Uranium

E. T. Booth, J. R. Dunning, and F. G. Slack

Phys. Rev. 55, 876 (1939) - Published 1 May, 1939

The Identification of Some of the Products of Uranium Cleavage

Philip Abelson

Phys. Rev. 55, 876 (1939) - Published 1 May, 1939

Search for Beta-Particles Emitted During Uranium Fission Process

J. W. Kennedy and G. T. Seaborg

Phys. Rev. 55, 877 (1939) - Published 1 May, 1939

Erratum: The Scattering of Alpha-Particles by Argon, Oxygen, and Neon (Phys. Rev. 54, 1011 (1938))

Gordon Brubaker

Phys. Rev. 55, 877 (1939) - Published 1 May, 1939

Nuclear Excitation of Indium with Alpha-Particles

K. Lark-Horovitz, J. R. Risser, and R. N. Smith

Phys. Rev. 55, 878 (1939) - Published 1 May, 1939

Vibration-Rotation Energies in the Tetrahedrally Symmetric $X Y_{4}$ Type of Molecule

W. H. Shaffer, H. H. Nielsen, and L. H. Thomas

Phys. Rev. 55, 878 (1939) - Published 1 May, 1939

Progressive Breakdown in a Conducting Liquid

L. B. Snoddy and J. W. Beams

Phys. Rev. 55, 879 (1939) - Published 1 May, 1939

Radioactive Halogens Produced by the Neutron Bombardment of Uranium and Thorium

R. W. Dodson and R. D. Fowler

Phys. Rev. 55, 880 (1939) - Published 1 May, 1939

The Dispersion of Water for Electromagnetic Waves

Lester L. Skolil