Volume 73, Issue 9

May 1948

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ARTICLES

Excitation Function for Proton-Neutron Reaction in Lithium ${Li}^{7} (p, n)$

J. E. Hill and W. E. Shoupp

Phys. Rev. 73, 931 (1948) - Published 1 May, 1948

Note on Second Born Approximation and Proton-Neutron and Proton-Proton Scattering

Ta-You Wu

Phys. Rev. 73, 934 (1948) - Published 1 May, 1948

Nuclear Properties of $93^{237}$

Arthur C. Wahl and Glenn T. Seaborg

Phys. Rev. 73, 940 (1948) - Published 1 May, 1948

Shapes of Nuclear Induction Signals

Boris A. Jacobsohn and Roald K. Wangsness

Phys. Rev. 73, 942 (1948) - Published 1 May, 1948

A Photographic Study of the Neutron Spectra from $Al (α n)$ and $Si (dn)$

R. A. Peck, Jr.

Phys. Rev. 73, 947 (1948) - Published 1 May, 1948

Search for a Resonance Absorption of Neutrons in Graphite

S. Bernstein

Phys. Rev. 73, 956 (1948) - Published 1 May, 1948

Slow Neutron Velocity Spectrometer Studies of Cu, Ni, Bi, Fe, Sn, and Calcite

W. W. Havens, Jr., L. J. Rainwater, C. S. Wu, and J. R. Dunning

Phys. Rev. 73, 963 (1948) - Published 1 May, 1948

Neutron-Proton and Proton-Proton Scattering at High Energies

Julius Ashkin and Ta-You Wu

Phys. Rev. 73, 973 (1948) - Published 1 May, 1948

Elastic and Inelastic Scattering of 100- to 200-Mev Protons or Neutrons by Deuterons

Ta-YOU Wu and Julius Ashkin

Phys. Rev. 73, 986 (1948) - Published 1 May, 1948

On the Behavior of Cross Sections Near Thresholds

Eugene P. Wigner

Phys. Rev. 73, 1002 (1948) - Published 1 May, 1948

The Production of Nucleons by the Cosmic Radiation. II.

S. A. Korff and A. Cobas

Phys. Rev. 73, 1010 (1948) - Published 1 May, 1948

Gamma-Rays from Alpha-Particle Reactions

David E. Alburger

Phys. Rev. 73, 1014 (1948) - Published 1 May, 1948

A Note on Saturation in Microwave Spectroscopy

Robert Karplus and Julian Schwinger

Phys. Rev. 73, 1020 (1948) - Published 1 May, 1948

Frequency Modulation in Microwave Spectroscopy

Robert Karplus

Phys. Rev. 73, 1027 (1948) - Published 1 May, 1948

Radioactive Cerium and Praseodymium

M. L. Pool and N. L. Krisberg

Phys. Rev. 73, 1035 (1948) - Published 1 May, 1948

Trajectories of Charged Meson Test Particles in the Similarity Geometry

Banesh Hoffmann

Phys. Rev. 73, 1042 (1948) - Published 1 May, 1948

The Breakdown of Gases in High Frequency Electrical Fields

Donald H. Hale

Phys. Rev. 73, 1046 (1948) - Published 1 May, 1948

Saturation Effect in Microwave Absorption of Ammonia

Robert L. Carter and William V. Smith

Phys. Rev. 73, 1053 (1948) - Published 1 May, 1948

Secondary Electron Emission from Targets of Barium-Strontium Oxide

J. B. Johnson

Phys. Rev. 73, 1058 (1948) - Published 1 May, 1948

Mechanical Properties of Long Chain Molecule Liquids at Ultrasonic Frequencies

W. P. Mason, W. O. Baker, H. J. Mcskimin, and J. H. Heiss

Phys. Rev. 73, 1074 (1948) - Published 1 May, 1948

Quantum Theory of Localizable Dynamical Systems

P. A. M. Dirac

Phys. Rev. 73, 1092 (1948) - Published 1 May, 1948

Crystal Radii of the Heavy Elements

W. H. Zachariasen

Phys. Rev. 73, 1104 (1948) - Published 1 May, 1948

The Question of Non-Singular Solutions in the Generalized Theory of Gravitation

A. Papapetrou

Phys. Rev. 73, 1105 (1948) - Published 1 May, 1948

On the Hyperfine Structure of Deuterium

Aage Bohr

Phys. Rev. 73, 1109 (1948) - Published 1 May, 1948

Letters to the Editor

On the Nuclear Moments of $I^{127}$ , ${Ga}^{69}$ , ${Ga}^{71}$ , and $P^{31}$

R. V. Pound

Phys. Rev. 73, 1112 (1948) - Published 1 May, 1948

Conductivity Induced in Diamond by Alpha-Particle Bombardment and Its Variation among Specimens

A. J. Ahearn

Phys. Rev. 73, 1113 (1948) - Published 1 May, 1948

Angular Distribution of $n - p$ Scattering with 90-Mev Neutrons

J. Hadley, E. L. Kelly, C. E. Leith, E. Segrè, C. Wiegand, and H. F. York

Phys. Rev. 73, 1114 (1948) - Published 1 May, 1948

The Spectrum of Locally Isotropic Turbulence

Leslie S. G. Kovasznay

Phys. Rev. 73, 1115 (1948) - Published 1 May, 1948

On the Quantum Theory of Ferromagnetic Resonance

D. Polder

Phys. Rev. 73, 1116 (1948) - Published 1 May, 1948

A Study of Lubricating Wax Coatings by Electron Diffraction

Chester Ridlon Berry

Phys. Rev. 73, 1117 (1948) - Published 1 May, 1948

The Neutron-Proton Scattering Formula: Remark on the Letter by Flügge and Hückel

Ta-You Wu and Henry M. Foley

Phys. Rev. 73, 1117 (1948) - Published 1 May, 1948

ERRATA

Erratum: The Microwave Spark

D. Q. Posin

Phys. Rev. 73, 1118 (1948) - Published 1 May, 1948

Letters to the Editor

Microwave Resonance Absorption in Ferromagnetic Semiconductors

William H. Hewitt, Jr.

Phys. Rev. 73, 1118 (1948) - Published 1 May, 1948

Note on Zero-Zero Transitions

Marvin L. Goldberger

Phys. Rev. 73, 1119 (1948) - Published 1 May, 1948

Saturation Effects in the Microwave Spectrum of Ammonia

Robert Karplus

Phys. Rev. 73, 1120 (1948) - Published 1 May, 1948

On the Fine Structure of ${}^{4}Σ$ -States of Diatomic Molecules

A. Budó and I. Kovács

Phys. Rev. 73, 1120 (1948) - Published 1 May, 1948

On the Phenomenology of Ferromagnetic Resonance

D. Polder

Phys. Rev. 73, 1120 (1948) - Published 1 May, 1948

A Low Voltage Discharge between Very Close Electrodes

L. H. Germer and F. E. Haworth

Phys. Rev. 73, 1121 (1948) - Published 1 May, 1948

Ejection of Electrons by Ions at High Fields

R. R. Newton

Phys. Rev. 73, 1122 (1948) - Published 1 May, 1948

On the Stability of the Neutral Meson

E. P. Hincks and B. Pontecorvo

Phys. Rev. 73, 1122 (1948) - Published 1 May, 1948

Polarization Effects in the Ionization Loss of 1-Mev Electrons in Carbon

Frank L. Hereford

Phys. Rev. 73, 1123 (1948) - Published 1 May, 1948

Neutron Deficient Isotopes of Tellurium and Antimony

M. Lindner and I. Perlman

Phys. Rev. 73, 1124 (1948) - Published 1 May, 1948

The Alpha-Ray Emitting Isotope in Samarium

A. J. Dempster

Phys. Rev. 73, 1125 (1948) - Published 1 May, 1948

A Type of Non-Linear Random Distortion (Noise) in Pulse Communication

Arnold E. Ross

Phys. Rev. 73, 1126 (1948) - Published 1 May, 1948

Characteristics of Bismuth Fission with High Energy Particles

R. H. Goeckermann and I. Perlman

Phys. Rev. 73, 1127 (1948) - Published 1 May, 1948

Theoretical Evidence for the Existence of a Light-Charged Particle of Mass Greater than That of the Electron

M. Hessaby

Phys. Rev. 73, 1128 (1948) - Published 1 May, 1948

Production of Cosmic-Ray Mesons

Geoffrey F. Chew

Phys. Rev. 73, 1128 (1948) - Published 1 May, 1948

Ratio of $g$ Values of the ${}^{2}P_{1 \frac{1}{2}}^{0}$ and the ${}^{2}S_{\frac{1}{2}}$ States in Ionized Calcium

J. Rand Mcnally, Jr.

Phys. Rev. 73, 1130 (1948) - Published 1 May, 1948

Gamma-Radiation from the Bombardment of Fluorine, Boron, and Beryllium by Protons

James A. Jacobs, Philip R. Malmberg, and John S. Wahl

Phys. Rev. 73, 1130 (1948) - Published 1 May, 1948

Protective Facings on Eastman Emulsions

P. B. Mauer and H. L. Reynolds

Phys. Rev. 73, 1131 (1948) - Published 1 May, 1948

Rebuilding of Metal Geiger Counting Tubes

G. E. Hagen and D. H. Loughridge

Phys. Rev. 73, 1131 (1948) - Published 1 May, 1948

Neutron-Proton Scattering and Range of Nuclear Forces

Ta-You Wu

Phys. Rev. 73, 1132 (1948) - Published 1 May, 1948

Ultrasonic Reflections by Domains in Rochelle-Salt Single Crystals

William J. Price

Phys. Rev. 73, 1132 (1948) - Published 1 May, 1948

The Energy Distribution of Neutrons in the Atmosphere

S. A. Korff, M. S. George, and J. W. Kerr

Phys. Rev. 73, 1133 (1948) - Published 1 May, 1948