Volume 75, Issue 8

April 1949

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ARTICLES

On the Inelastic Scattering of Fast Neutrons

Bernard T. Feld

Phys. Rev. 75, 1115 (1949) - Published 15 April, 1949

Total Cross Section of Be, O, Na, and Ca for Fast Neutrons

R. K. Adair, H. H. Barschall, C. K. Bockelman, and O. Sala

Phys. Rev. 75, 1124 (1949) - Published 15 April, 1949

$N^{17}$ , A Delayed Neutron Emitter

Luis W. Alvarez

Phys. Rev. 75, 1127 (1949) - Published 15 April, 1949

Radioactivity Induced in Ytterbium by Neutron Bombardment

J. M. Cork, H. B. Keller, W. C. Rutledge, A. E. Stoddard, and J. Sazynski

Phys. Rev. 75, 1133 (1949) - Published 15 April, 1949

On the Range of the Electrons in Meson Decay

J. Steinberger

Phys. Rev. 75, 1136 (1949) - Published 15 April, 1949

Procedure for Processing Nuclear-Track Emulsions

M. J. Wilson and W. Vanselow

Phys. Rev. 75, 1144 (1949) - Published 15 April, 1949

Proton Resonances in the Deuteron Bombardment of Carbon

N. P. Heydenburg, D. R. Inglis, W. D. Whitehead, JR., and E. M. Hafner

Phys. Rev. 75, 1147 (1949) - Published 15 April, 1949

Low Energy Cross Section of the $D - T$ Reaction and Angular Distribution of the Alpha-Particles Emitted

E. Bretscher and A. P. French

Phys. Rev. 75, 1154 (1949) - Published 15 April, 1949

Neutrons and Gamma-Radiation from Deuteron Bombardment of Be

J. E. Evans, C. W. Malich, and J. R. Risser

Phys. Rev. 75, 1161 (1949) - Published 15 April, 1949

On the Origin of the Cosmic Radiation

ENRICO Fermi

Phys. Rev. 75, 1169 (1949) - Published 15 April, 1949

Some Properties of the Parallel Plate Spark Counter I

R. W. Pidd and Leon Madansky

Phys. Rev. 75, 1175 (1949) - Published 15 April, 1949

Photoelectric Determination of the Fermi Level at Amorphous Arsenic Surfaces

E. Taft and L. Apker

Phys. Rev. 75, 1181 (1949) - Published 15 April, 1949

Investigations of Pulsed Second Sound in Liquid Helium II

J. R. Pellam

Phys. Rev. 75, 1183 (1949) - Published 15 April, 1949

The Hyperfine Structure of Tritium

Edward B. Nelson and John E. Nafe

Phys. Rev. 75, 1194 (1949) - Published 15 April, 1949

Paramagnetic Resonance Absorption in Two Sulfates of Copper

Robert D. Arnold and Arthur F. Kip

Phys. Rev. 75, 1199 (1949) - Published 15 April, 1949

The Work Function of Lithium

Paul A. Anderson

Phys. Rev. 75, 1205 (1949) - Published 15 April, 1949

Physical Principles Involved in Transistor Action

J. Bardeen and W. H. Brattain

Phys. Rev. 75, 1208 (1949) - Published 15 April, 1949

Precision Measurement of the Wave-Length and Spectral Profile of the Annihilation Radiation from ${Cu}^{64}$ with the Two-Meter Focusing Curved Crystal Spectrometer

J. W. M. Dumond, D. A. Lind, and B. B. Watson

Phys. Rev. 75, 1226 (1949) - Published 15 April, 1949

The Electromagnetic Shift of Energy Levels

J. B. French and V. F. Weisskopf

Phys. Rev. 75, 1240 (1949) - Published 15 April, 1949

Phenomenological Quantum Electrodynamics. Part III. Dispersion

K. M. Watson and J. M. Jauch

Phys. Rev. 75, 1249 (1949) - Published 15 April, 1949

Letters to the Editor

On the Vector and Pseudovector Theories of Nuclear Forces

Gentaro Araki

Phys. Rev. 75, 1262 (1949) - Published 15 April, 1949

Excited-State Bands in Atmospheric Spectra

Arthur Adel

Phys. Rev. 75, 1262 (1949) - Published 15 April, 1949

Nuclear Magnetic Resonance in Weak Fields

Richard M. Brown and E. M. Purcell

Phys. Rev. 75, 1262 (1949) - Published 15 April, 1949

On the Diffraction of a Plane Wave by a Semi-Infinite Conducting Sheet

C. W. Horton

Phys. Rev. 75, 1263 (1949) - Published 15 April, 1949

The Influence of the Length of a Hot Wire on the Measurements of Turbulence

F. N. Frenkiel

Phys. Rev. 75, 1263 (1949) - Published 15 April, 1949

On a New Equation of State

E. M. Corson

Phys. Rev. 75, 1264 (1949) - Published 15 April, 1949

Vacuum Polarization

S. T. Ma

Phys. Rev. 75, 1264 (1949) - Published 15 April, 1949

On the Directional Character of the Long-Range Order Parameter

Louis Gold

Phys. Rev. 75, 1265 (1949) - Published 15 April, 1949

On the Stimulated Decay of Mesons

W. H. Furry and James N. Snyder

Phys. Rev. 75, 1265 (1949) - Published 15 April, 1949

Inappreciable Effect of Compton Shifted Scattering, within a Gamma-Ray Source, on Precision Wave-Length Determinations with the Focusing Crystal Spectrometer

Jesse W. M. Dumond

Phys. Rev. 75, 1266 (1949) - Published 15 April, 1949

On Problems Involving Permutation Degeneracy

E. M. Corson

Phys. Rev. 75, 1266 (1949) - Published 15 April, 1949

ERRATA

Erratum: Disintegration of ${Be}^{8}$

Arthur Hemmendinger

Phys. Rev. 75, 1267 (1949) - Published 15 April, 1949

Letters to the Editor

Recent Changes and Additions in the Consistency Diagram of the Natural Atomic Constants

Jesse W. M. Dumond

Phys. Rev. 75, 1267 (1949) - Published 15 April, 1949

Delayed Emission of Electrons from the Cathode in a Counter When Operated above the Plateau

M. L. Wiedenbeck and H. R. Crane

Phys. Rev. 75, 1268 (1949) - Published 15 April, 1949

Neutron-Hydrogen Mass Difference from the $T^{3} (p, n) {He}^{3}$ Reaction Threshold

R. F. Taschek, G. A. Jarvis, H. V. Argo, and A. Hemmendinger

Phys. Rev. 75, 1268 (1949) - Published 15 April, 1949

On the Liberation of Ions by Electron Bombardment

I. Filosofo and A. Rostagni

Phys. Rev. 75, 1269 (1949) - Published 15 April, 1949

The Generalized Schrödinger Equation in the Interaction Representation

P. T. Matthews

Phys. Rev. 75, 1270 (1949) - Published 15 April, 1949

On the Gamma-Radiation From $I^{131}$

David Moe, George E. Owen, and C. Sharp Cook

Phys. Rev. 75, 1270 (1949) - Published 15 April, 1949

ERRATA

Erratum: Study of Phase Transitions by Means of Nuclear Magnetic Resonance Phenomena

Nelson L. Alpert

Phys. Rev. 75, 1271 (1949) - Published 15 April, 1949

Letters to the Editor

Value of the $Li (p, γ)$ Resonance

Emmett L. Hudspeth and Charles P. Swann

Phys. Rev. 75, 1272 (1949) - Published 15 April, 1949

Disintegration of ${Cs}^{137}$

Charles L. Peacock and Allan C. G. Mitchell

Phys. Rev. 75, 1272 (1949) - Published 15 April, 1949

Charged Particles Emitted by Carbon Bombarded by 90 Mev Neutrons

Keith Brueckner and Wilson M. Powell

Phys. Rev. 75, 1274 (1949) - Published 15 April, 1949

Cloud-Chamber Study of Mesons Stopping in Aluminum Foils

R. L. Cool, E. C. Fowler, J. C. Street, W. B. Fowler, and R. D. Sard

Phys. Rev. 75, 1275 (1949) - Published 15 April, 1949

Radioactive Gadolinium and Terbium Isotopes

F. D. S. Butement

Phys. Rev. 75, 1276 (1949) - Published 15 April, 1949

The Beta-Spectrum of $A^{41}$

H. Brown and V. Perez-Mendez

Phys. Rev. 75, 1276 (1949) - Published 15 April, 1949

Radiation from 225-Day ${Ag}^{110}$

Kai Siegbahn

Phys. Rev. 75, 1277 (1949) - Published 15 April, 1949

On the Magnetic Moments of the Nucleons in Meson Theory

J. M. Luttinger

Phys. Rev. 75, 1277 (1949) - Published 15 April, 1949

Proceedings of the American Physical Society

Minutes of the 1948 Annual Meeting at New York, January 26-29, 1949

Phys. Rev. 75, 1279 (1949) - Published 15 April, 1949