Volume 54, Issue 12

December 1938

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ARTICLES

On World-Wide Changes in Cosmic-Ray Intensity

S. E. Forbush

Phys. Rev. 54, 975 (1938) - Published 15 December, 1938

Anomalous Dispersion of X-Rays in Calcite

Robert M. Whitmer and George A. Lindsay

Phys. Rev. 54, 988 (1938) - Published 15 December, 1938

The Absorption of X-Rays of Wave-Length $1.5 \leq λ \leq 8.3 A$

C. Luther Andrews

Phys. Rev. 54, 994 (1938) - Published 15 December, 1938

The Effect of Chemical Combination on $K$ Fluorescent X-Ray Emission Lines

Leonard Obert and J. A. Bearden

Phys. Rev. 54, 1000 (1938) - Published 15 December, 1938

Further Tests of the Validity of X-Ray Crystal Methods of Determining $e$

V. L. Bollman and J. W. M. DuMond

Phys. Rev. 54, 1005 (1938) - Published 15 December, 1938

The Scattering of Alpha-Particles by Argon, Oxygen and Neon

Gordon Brubaker

Phys. Rev. 54, 1011 (1938) - Published 15 December, 1938

The Resonance Processes in the Disintegration of Boron by Protons

B. Waldman, R. C. Waddel, D. Callihan, and W. A. Schneider

Phys. Rev. 54, 1017 (1938) - Published 15 December, 1938

Proton Induced Radioactivities II. Nickel and Copper Targets

Charles V. Strain

Phys. Rev. 54, 1021 (1938) - Published 15 December, 1938

Proton Induced Radioactivities III. Zinc and Selenium Targets

John H. Buck

Phys. Rev. 54, 1025 (1938) - Published 15 December, 1938

Internal Targets in the Cyclotron

Robert R. Wilson and Martin D. Kamen

Phys. Rev. 54, 1031 (1938) - Published 15 December, 1938

The Dissociation of Benzene ( $C_{6}$ $H_{6}$ ), Pyridine ( $C_{5}$ $H_{5}$ N) and Cyclohexane ( $C_{6}$ $H_{12}$ ) by Electron Impact

A. Hustrulid, P. Kusch, and John T. Tate

Phys. Rev. 54, 1037 (1938) - Published 15 December, 1938

Pressure Shifts of the High Terms of the Absorption Series of Na, Rb, and Cs Produced by Hydrogen and Nitrogen

Ny Tsi-Zé and Ch'en Shang-Yi

Phys. Rev. 54, 1045 (1938) - Published 15 December, 1938

The Binding Energy of $O^{16}$

W. J. Kroeger

Phys. Rev. 54, 1048 (1938) - Published 15 December, 1938

Nuclear Two-Body Variational Problem

William Rarita and Zaka I. Slawsky

Phys. Rev. 54, 1053 (1938) - Published 15 December, 1938

The Spacing of Energy Levels in Light Nuclei

Lloyd Motz and Eugene Feenberg

Phys. Rev. 54, 1055 (1938) - Published 15 December, 1938

The Dissociation of $C_{2}$ $H_{2}$ $D_{2}$ by Electron Impact

J. Delfosse and John A. Hipple, Jr.

Phys. Rev. 54, 1060 (1938) - Published 15 December, 1938

An Atomic Distribution Function for Liquid Sodium

C. N. Wall

Phys. Rev. 54, 1062 (1938) - Published 15 December, 1938

The Spectrum of Lead Hydride

W. W. Watson

Phys. Rev. 54, 1068 (1938) - Published 15 December, 1938

Rotational Structure of the ${}^{3}Σ \to {}^{3}Π$ Bands of BF

F. W. Paul and H. P. Knauss

Phys. Rev. 54, 1072 (1938) - Published 15 December, 1938

The Mechanism of the Negative Point to Plane Corona Near Onset

G. W. Trichel

Phys. Rev. 54, 1078 (1938) - Published 15 December, 1938

An Experimental Investigation of de Broglie's Equation

J. G. Tappert

Phys. Rev. 54, 1085 (1938) - Published 15 December, 1938

Note on the External Photoelectric Effect of Semi-Conductors

E. U. Condon

Phys. Rev. 54, 1089 (1938) - Published 15 December, 1938

The Magnetization of Ferromagnetic Colloids

W. C. Elmore

Phys. Rev. 54, 1092 (1938) - Published 15 December, 1938

Electronic Conduction In Insulating Crystals Under Very High Field Strength

A. von Hippel

Phys. Rev. 54, 1096 (1938) - Published 15 December, 1938

The Heat Capacity of Rochelle Salt Between -30° and +30°C

Arthur J. C. Wilson

Phys. Rev. 54, 1103 (1938) - Published 15 December, 1938

Note on the Evaluation of the Earth's Temperatures Arising from Radioactivity

Arnold N. Lowan and Frederick King

Phys. Rev. 54, 1109 (1938) - Published 15 December, 1938

The Nature of Lattice Defects in Silver Bromide Crystals

Frederick Seitz

Phys. Rev. 54, 1111 (1938) - Published 15 December, 1938

Letters to the Editor

Note on the Fine Structure of $H α$ and $D α$

Simon Pasternack

Phys. Rev. 54, 1113 (1938) - Published 15 December, 1938

On The Characteristic Matrices of Covariant Systems

R. J. Duffin

Phys. Rev. 54, 1114 (1938) - Published 15 December, 1938

Acknowledgment: Direct Determination of Crystal Structure from X-Ray Data

Melvin Avrami

Phys. Rev. 54, 1114 (1938) - Published 15 December, 1938

On the Paths of Ions in the Cyclotron

L. I. Schiff

Phys. Rev. 54, 1114 (1938) - Published 15 December, 1938

Proceedings of the Metropolitan Section of the American Physical Society

Phys. Rev. 54, 1116 (1938) - Published 15 December, 1938