Volume 76, Issue 7

October 1949

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ARTICLES

A Determination of the Half-Life of Carbon 14

W. M. Jones

Phys. Rev. 76, 885 (1949) - Published 1 October, 1949

Proton Groups from the Bombardment of Argon by Deuterons

P. W. Davison, J. O. Buchanan, and Ernest Pollard

Phys. Rev. 76, 890 (1949) - Published 1 October, 1949

Classification of Nuclear Isomers

P. Axel and S. M. Dancoff

Phys. Rev. 76, 892 (1949) - Published 1 October, 1949

Experiments on the Effect of Atomic Electrons on the Decay Constant of ${Be}^{7}$ . II

R. F. Leininger, E. Segrè, and C. Wiegand

Phys. Rev. 76, 897 (1949) - Published 1 October, 1949

Coincidence Experiments in ${Ni}^{65}$ , ${Ni}^{57}$ , ${Ag}^{110}$ and ${In}^{114}$

Fred Maienschein and J. Lawrence Meem, Jr.

Phys. Rev. 76, 899 (1949) - Published 1 October, 1949

Transport Phenomena in a Completely Ionized Gas in Presence of a Magnetic Field

Rolf Landshoff

Phys. Rev. 76, 904 (1949) - Published 1 October, 1949

The Disintegration of ${Ce}^{141}$

Michel Ter-Pogossian, C. Sharp Cook, C. Harold Goddard, and J. Eugene Robinson

Phys. Rev. 76, 909 (1949) - Published 1 October, 1949

Cosmic-Ray Experiments at High Altitudes over a Wide Range of Latitudes

A. T. Biehl, H. V. Neher, and W. C. Roesch

Phys. Rev. 76, 914 (1949) - Published 1 October, 1949

Extensive Penetrating Cosmic Ray-Showers

John Ise, Jr. and W. B. Fretter

Phys. Rev. 76, 933 (1949) - Published 1 October, 1949

Conduction Processes in Thin Deposits of Antimony

Louis Harris and Lloyd H. Shaffer

Phys. Rev. 76, 943 (1949) - Published 1 October, 1949

Letters to the Editor

Delayed Neutrons from Thorium

L. G. Creveling, J. R. Hood, and M. L. Pool

Phys. Rev. 76, 946 (1949) - Published 1 October, 1949

ARTICLES

Second Sound Velocity in Helium II

R. D. Maurer and Melvin A. Herlin

Phys. Rev. 76, 948 (1949) - Published 1 October, 1949

Electromagnetic Interactions of a Vector Meson with a Scalar Excited State

Marshall N. Rosenbluth

Phys. Rev. 76, 951 (1949) - Published 1 October, 1949

Radiations from ${Hf}^{181}$

Erling N. Jensen

Phys. Rev. 76, 958 (1949) - Published 1 October, 1949

Measurement of $f$ -Values in the Iron Spectrum with Applications to Solar and Stellar Atmospheres

W. W. Carter

Phys. Rev. 76, 962 (1949) - Published 1 October, 1949

A New Method of Analysis of the Beta-Ray Spectrum

Mitsuo Sakai and Seitaro Nakamura

Phys. Rev. 76, 967 (1949) - Published 1 October, 1949

The Process of Ionization in Active Nitrogen

K. T. Chao and H. P. Chang

Phys. Rev. 76, 970 (1949) - Published 1 October, 1949

Quasi-Chemical Method in the Statistical Theory of Regular Mixtures

Yin-Yuan Li

Phys. Rev. 76, 972 (1949) - Published 1 October, 1949

Letters to the Editor

Neutrons from Deuterons on Lithium (6)

C. E. Mandeville, C. P. Swann, and S. C. Snowdon

Phys. Rev. 76, 980 (1949) - Published 1 October, 1949

The Signs of the Magnetic Moments of Neutron and Proton

E. H. Rogers and H. H. Staub

Phys. Rev. 76, 980 (1949) - Published 1 October, 1949

On the Angular Distribution of D - D Reaction Products

Yoshihiro Nakano

Phys. Rev. 76, 981 (1949) - Published 1 October, 1949

Current Densities in the Cathode Spots of Transient Arcs

J. M. Somerville and W. R. Blevin

Phys. Rev. 76, 982 (1949) - Published 1 October, 1949

The Beta-Spectrum of ${Tl}^{204}$ , Magic Numbers, and Neutron Pairing

D. Saxon and J. Richards

Phys. Rev. 76, 982 (1949) - Published 1 October, 1949

ARTICLES

Frequency of Stars of Different Sizes Produced by the Cosmic Radiation in Photographic Plates Exposed at 29,000 Meters

Margherita Addario and Sara Tamburino

Phys. Rev. 76, 983 (1949) - Published 1 October, 1949

Letters to the Editor

Meson Background in Penetrating Shower Experiments

Giuseppe Cocconi

Phys. Rev. 76, 984 (1949) - Published 1 October, 1949

COMMENTS

Addendum: Heat Flow in Metals Below 1 °K and a New Method for Magnetic Cooling

J. G. Daunt and C. V. Heer

Phys. Rev. 76, 985 (1949) - Published 1 October, 1949

Letters to the Editor

The Neutrinos from the Sun and the Source of the Earth's Heat

D. Saxon

Phys. Rev. 76, 986 (1949) - Published 1 October, 1949

Radioactivity in Holmium 166, Thulium 170, and Lutecium 177

J. M. Cork, H. B. Keller, and A. E. Stoddard

Phys. Rev. 76, 986 (1949) - Published 1 October, 1949

Dynamic Probe Measurements in the Ionosphere

A. Reifman and W. G. Dow

Phys. Rev. 76, 987 (1949) - Published 1 October, 1949

A Cloud-Chamber Study of Fission Fragment Ranges in Air

J. K. Bøggild, L. Minnhagen, and O. B. Nielsen

Phys. Rev. 76, 988 (1949) - Published 1 October, 1949

ERRATA

Erratum: Bremsstrahlung in High Energy Nucleon-Nucleon Collisions

J. Ashkin and R. E. Marshak

Phys. Rev. 76, 989 (1949) - Published 1 October, 1949

Letters to the Editor

The Existence of Stable Nuclei as Related to the Principle of Regularity and Continuity of Series and the Ends of Nuclear Shells

William D. Harkins and Martin Popelka, Jr.

Phys. Rev. 76, 989 (1949) - Published 1 October, 1949

On the Abundance of $I^{129}$ , ${Te}^{118}$ , and ${Pt}^{190}$

Wallace T. Leland

Phys. Rev. 76, 992 (1949) - Published 1 October, 1949

The Zenith Angle Dependence of Flux of the Hard Cosmic-Ray Component up to 36,000 Feet

J. F. Jenkins, Jr.

Phys. Rev. 76, 992 (1949) - Published 1 October, 1949

Angular Correlation of Delayed Radiations

Arne Lundby

Phys. Rev. 76, 993 (1949) - Published 1 October, 1949

On the Polarization of Slow Neutrons

J. Steinberger and G. C. Wick

Phys. Rev. 76, 994 (1949) - Published 1 October, 1949

ARTICLES

A New Molecular Beam Resonance Method

Norman F. Ramsey

Phys. Rev. 76, 996 (1949) - Published 1 October, 1949

Letters to the Editor

A Suggestion Regarding Emission Phenomena in (Ba - Sr)O Cathodes

E. S. Rittner, F. K. Du Pré, and R. A. Hutner

Phys. Rev. 76, 996 (1949) - Published 1 October, 1949

The Detection of Heavy Particles in the Primary Cosmic Radiation

Martin A. Pomerantz and Frank L. Hereford

Phys. Rev. 76, 997 (1949) - Published 1 October, 1949

Nuclear Quadrupole Moments and Shell Structure

R. D. Hill

Phys. Rev. 76, 998 (1949) - Published 1 October, 1949

The Equation of State of Gaseous ${He}^{3}$

J. Van Kranendonk, K. Compaan, and J. De Boer

Phys. Rev. 76, 998 (1949) - Published 1 October, 1949

On the Hot-Wire Length Correction

F. N. Frenkiel

Phys. Rev. 76, 999 (1949) - Published 1 October, 1949

Equation of the Magnetic Threshold Curve of a Superconductor

G. Preston Burns

Phys. Rev. 76, 999 (1949) - Published 1 October, 1949

The Decay Probability of ${Be}^{7}$ as a Function of the Ionization of the Atom

P. Benoist, R. Bouchez, P. Daudel, R. Daudel, and A. Rogozinski

Phys. Rev. 76, 1000 (1949) - Published 1 October, 1949

Statistics of the Three-Dimensional Ferromagnet

Takehiko Oguchi

Phys. Rev. 76, 1001 (1949) - Published 1 October, 1949

The Phenomenological Theory of Superconductors

A. R. Miller

Phys. Rev. 76, 1001 (1949) - Published 1 October, 1949

ERRATA

Erratum: Excitation Functions for $α, n$ , $α, 2 n$ and $α, 3 n$ Reactions on Indium

Georges M. Temmer

Phys. Rev. 76, 1002 (1949) - Published 1 October, 1949

Letters to the Editor

Nuclear Spin ½ for ${Te}^{123}$ and Isotope Shift in the Tellurium Spectrum

J. E. Mack and O. H. Arroe

Phys. Rev. 76, 1002 (1949) - Published 1 October, 1949

Three-Body Scattering with Central and Tensor Forces

Roy Thomas

Phys. Rev. 76, 1002 (1949) - Published 1 October, 1949