Volume 78, Issue 1

April 1950

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ARTICLES

The Range-Energy Curves for Alpha-Particles and Protons

William P. Jesse and John Sadauskis

Phys. Rev. 78, 1 (1950) - Published 1 April, 1950

Disintegration of ${Te}^{121}$ and ${Te}^{123}$ Isomers

Robert Katz, R. D. Hill, and M. Goldhaber

Phys. Rev. 78, 9 (1950) - Published 1 April, 1950

Relative Yield Functions for $π^{-}$ -Mesons from Carbon

Stanley B. Jones and R. Stephen White

Phys. Rev. 78, 12 (1950) - Published 1 April, 1950

Protons from the Deuteron Bombardment of Separated Neon Isotopes

A. Zucker and W. W. Watson

Phys. Rev. 78, 14 (1950) - Published 1 April, 1950

Nuclear Configurations in the Spin-Orbit Coupling Model. I. Empirical Evidence

Maria Goeppert Mayer

Phys. Rev. 78, 16 (1950) - Published 1 April, 1950

Nuclear Configurations in the Spin-Orbit Coupling Model. II. Theoretical Considerations

Maria Goeppert Mayer

Phys. Rev. 78, 22 (1950) - Published 1 April, 1950

Simultaneity in the Compton Effect

Robert Hofstadter and John A. Mcintyre

Phys. Rev. 78, 24 (1950) - Published 1 April, 1950

On the Dirac Theory of Spin 1/2 Particles and Its Non-Relativistic Limit

Leslie L. Foldy and Siegfried A. Wouthuysen

Phys. Rev. 78, 29 (1950) - Published 1 April, 1950

The Nucleon Magnetic Moment in Meson Pair Theories

J. Leite Lopes

Phys. Rev. 78, 36 (1950) - Published 1 April, 1950

Solar Magnetic Moment and Diurnal Variation in Intensity of Cosmic Radiation

Kirby Dwight

Phys. Rev. 78, 40 (1950) - Published 1 April, 1950

The Cosmic-Ray Intensity Above the Atmosphere at the Geomagnetic Equator

J. A. van Allen and A. V. Gangnes

Phys. Rev. 78, 50 (1950) - Published 1 April, 1950

The Effect of Hydrostatic Pressure on the Curie Point of Barium Titanate Single Crystals

W. J. Merz

Phys. Rev. 78, 52 (1950) - Published 1 April, 1950

Lambda-Temperatures of Solutions of ${He}^{3}$ in ${He}^{4}$

Olive G. Engel and O. K. Rice

Phys. Rev. 78, 55 (1950) - Published 1 April, 1950

Conservation of Flux by a Superconducting Torus

R. L. Dolecek and Jules de Launay

Phys. Rev. 78, 58 (1950) - Published 1 April, 1950

A New Method for Particle Injection into Accelerators

W. B. Jones, H. R. Kratz, J. L. Lawson, G. L. Ragan, and H. G. Voorhies

Phys. Rev. 78, 60 (1950) - Published 1 April, 1950

Letters to the Editor

Photo-Neutron Thresholds of ${Titanium}^{46}$ and ${Chromium}^{50}$

W. E. Ogle and R. E. England

Phys. Rev. 78, 63 (1950) - Published 1 April, 1950

The ${Cu}^{63}$ Photo-Neutron Threshold

J. McElhinney and W. E. Ogle

Phys. Rev. 78, 63 (1950) - Published 1 April, 1950

Thresholds for the Photo-Disintegration of ${Zr}^{90}$ , $\Pr^{141}$ , ${As}^{75}$ , $I^{127}$ , and ${Ni}^{58}$

W. E. Ogle, L. J. Brown, and A. N. Carson

Phys. Rev. 78, 63 (1950) - Published 1 April, 1950

True Magnitude of the Geomagnetic Secular Variation

C. J. Swift and W. M. Elsasser

Phys. Rev. 78, 64 (1950) - Published 1 April, 1950

A Determination of the Dipole Moment and Molecular Structure of Fluorosilane

A. Harry Sharbaugh, Virginia G. Thomas, and Benjamin S. Pritchard

Phys. Rev. 78, 64 (1950) - Published 1 April, 1950

Temperature Variation of Decay Times of Scintillation Phosphors

S. H. Liebson and J. O. Elliot

Phys. Rev. 78, 65 (1950) - Published 1 April, 1950

Interpretation of Underground Cosmic-Ray Data

Kenneth Greisen

Phys. Rev. 78, 65 (1950) - Published 1 April, 1950

$N_{2}$ O Bands in the Solar Spectrum

Robert R. Mcmath, A. Keith Pierce, Orren C. Mohler, Leo Goldberg, and Russell A. Donovan

Phys. Rev. 78, 65 (1950) - Published 1 April, 1950

On the Origin of the Sodium $D$ -Lines during Twilight

R. Penndorf

Phys. Rev. 78, 66 (1950) - Published 1 April, 1950

Nuclear Magnetic Moments of the Gallium Isotopes

G. J. Béné, P. M. Denis, and R. C. Extermann

Phys. Rev. 78, 66 (1950) - Published 1 April, 1950

Beta-Gamma Angular Correlation

Theodore B. Novey

Phys. Rev. 78, 66 (1950) - Published 1 April, 1950

New Beta-Emitting Isotopes in Region of Tungsten

M. Lindner and J. S. Coleman

Phys. Rev. 78, 67 (1950) - Published 1 April, 1950

ERRATA

Erratum: A Cloud-Chamber Study of Cosmic-Ray Nuclear Interactions at 3260 Meters Elevation

W. W. Brown and A. S. Mckay

Phys. Rev. 78, 67 (1950) - Published 1 April, 1950

Letters to the Editor

Are Mesons Elementary Particles?

H. M. Moseley and Nathan Rosen

Phys. Rev. 78, 67 (1950) - Published 1 April, 1950

Commutator Equations for Fields Derived from a Variation Principle

Christopher Gregory

Phys. Rev. 78, 67 (1950) - Published 1 April, 1950

Angular Correlation in the Reaction $B^{10} (n, α) {Li}^{7 *} (γ) {Li}^{7}$

B. Rose and A. R. W. Wilson

Phys. Rev. 78, 68 (1950) - Published 1 April, 1950

ERRATA

Erratum: Evidence for Multiple Meson and $γ$ -Ray Production in Cosmic-Ray Stars

M. F. Kaplon, H. Bradt, and B. Peters

Phys. Rev. 78, 68 (1950) - Published 1 April, 1950

Letters to the Editor

Production of $π$ -Mesons by High Energy Electrons

E. Strick and D. Ter Haar

Phys. Rev. 78, 68 (1950) - Published 1 April, 1950

On the Ratio of Positive and Negative Photo-Mesons

Otto Halpern

Phys. Rev. 78, 69 (1950) - Published 1 April, 1950

Determination of the Maximum Energy of the $β$ -Rays from 16-Hour ${Am}^{242}$

Jean M. Grunlund, B. G. Harvey, N. Moss, and L. Yaffe

Phys. Rev. 78, 69 (1950) - Published 1 April, 1950

The Effect of Cold Working on the Electrical Resistivity of Copper and Aluminum

J. W. Rutter and James Reekie

Phys. Rev. 78, 70 (1950) - Published 1 April, 1950

Fine Structure of HDO near 3.7μ in the Solar Spectrum

R. M. Chapman and J. H. Shaw

Phys. Rev. 78, 71 (1950) - Published 1 April, 1950

Neutrons from the Bombardment of ${Li}^{6}$ by Deuterons

Ward Whaling and J. W. Butler

Phys. Rev. 78, 72 (1950) - Published 1 April, 1950

Neutron Groups from the Reaction ${Li}^{7} (p, n) {Be}^{7}$

Bernard Hamermesh and Virginia Hummel

Phys. Rev. 78, 73 (1950) - Published 1 April, 1950

The $3 ν_{3}$ -Band of Telluric C $O_{2}$ in the Solar Spectrum

Leo Goldberg, Orren C. Mohder, A. Keith Pierce, and Robert R. Mcmath

Phys. Rev. 78, 74 (1950) - Published 1 April, 1950

A Precise Determination of the Energy of the ${Cs}^{137}$ Gamma-Radiation

Lawrence M. Langer and R. Douglas Moffat

Phys. Rev. 78, 74 (1950) - Published 1 April, 1950

On the $γ - γ$ -Angular Correlation in ${Pd}^{106}$

J. A. Spiers

Phys. Rev. 78, 75 (1950) - Published 1 April, 1950

Neutron Production in Various Substances by 50-Mev X-Rays

G. C. Baldwin and F. R. Elder

Phys. Rev. 78, 76 (1950) - Published 1 April, 1950

Neutron Binding Energies in ${Pb}^{207}$ , ${Pb}^{208}$ and in ${Bi}^{210}$

B. B. Kinsey, G. A. Bartholomew, and W. H. Walker

Phys. Rev. 78, 77 (1950) - Published 1 April, 1950

The Possible Existence of a Constant Third-Order Difference among the Nuclear Magic Numbers

Frank A. Valente

Phys. Rev. 78, 77 (1950) - Published 1 April, 1950

The Interaction of Pi-Mesons

Oreste Piccioni

Phys. Rev. 78, 78 (1950) - Published 1 April, 1950

Photo-Alpha-Reactions in Oxygen and Nitrogen

C. H. Millar and A. G. W. Cameron

Phys. Rev. 78, 78 (1950) - Published 1 April, 1950

The Raman Spectrum of Bromine

H. Stammreich

Phys. Rev. 78, 79 (1950) - Published 1 April, 1950

Decay Time of Stilbene Scintillations as a Function of Temperature

R. F. Post and N. S. Shiren

Phys. Rev. 78, 80 (1950) - Published 1 April, 1950

Performance of Pulsed Photo-Multiplier Scintillation Counters

R. F. Post and N. S. Shiren

Phys. Rev. 78, 81 (1950) - Published 1 April, 1950

Terphenyl and Dibenzyl Scintillation Counters

R. Hofstadter, S. H. Liebson, and J. O. Elliot

Phys. Rev. 78, 81 (1950) - Published 1 April, 1950

Proceedings of the American Physical Society

Minutes of The Meeting at Stanford University, California, December 29 and 30, 1949

Phys. Rev. 78, 82 (1950) - Published 1 April, 1950