Volume 76, Issue 6

September 1949

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HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

Space-Time Approach to Quantum Electrodynamics

R. P. Feynman

Phys. Rev. 76, 769 (1949) - Published 15 September, 1949

ARTICLES

A Precision Measurement of the Ratio of the Nuclear $g$ Values of ${Li}^{7}$ and ${Li}^{6}$

P. Kusch and A. K. Mann

Phys. Rev. 76, 707 (1949) - Published 15 September, 1949

Interaction of 14-Mev Neutrons with Deuterons

J. H. Coon and R. F. Taschek

Phys. Rev. 76, 710 (1949) - Published 15 September, 1949

Some Properties of Superconductors below 1°K. I. Titanium

J. G. Daunt and C. V. Heer

Phys. Rev. 76, 715 (1949) - Published 15 September, 1949

Radiations from Indium (114) and Barium (140)

C. E. Mandeville and E. Shapiro

Phys. Rev. 76, 718 (1949) - Published 15 September, 1949

Breakdown and Maintenance of Microwave Discharges in Argon

S. Krasik, D. Alpert, and A. O. McCoubrey

Phys. Rev. 76, 722 (1949) - Published 15 September, 1949

Gamma-Ray Measurements with a Magnetic Lens Spectrometer

W. F. Hornyak, T. Lauritsen, and V. K. Rasmussen

Phys. Rev. 76, 731 (1949) - Published 15 September, 1949

Penetration and Diffusion of X-Rays through Thick Barriers. II. The Asymptotic Behavior when Pair Production Is Important

U. Fano

Phys. Rev. 76, 739 (1949) - Published 15 September, 1949

On the Gyromagnetic Ratio and Spectroscopic Splitting Factor of Ferromagnetic Substances

Charles Kittel

Phys. Rev. 76, 743 (1949) - Published 15 September, 1949

The Theory of Positrons

R. P. Feynman

Phys. Rev. 76, 749 (1949) - Published 15 September, 1949

On Total Absorption in Spectra with Overlapping Lines

Frank Matossi, Robert Mayer, and Emma Rauscher

Phys. Rev. 76, 760 (1949) - Published 15 September, 1949

The Equations of Codazzi and the Relations between Electromagnetism and Gravitation

Antonio Gião

Phys. Rev. 76, 764 (1949) - Published 15 September, 1949

FEATURED IN PHYSICS

Space-Time Approach to Quantum Electrodynamics

R. P. Feynman

Phys. Rev. 76, 769 (1949) - Published 15 September, 1949

Quantum Electrodynamics. III. The Electromagnetic Properties of the Electron—Radiative Corrections to Scattering

Julian Schwinger

Phys. Rev. 76, 790 (1949) - Published 15 September, 1949

On the Electromagnetic Properties of Nucleons

Sidney Borowitz and Walter Kohn

Phys. Rev. 76, 818 (1949) - Published 15 September, 1949

Motion in a Constant Magnetic Field

M. H. Johnson and B. A. Lippmann

Phys. Rev. 76, 828 (1949) - Published 15 September, 1949

The Optical Detection of Radiofrequency Resonance

F. Bitter

Phys. Rev. 76, 833 (1949) - Published 15 September, 1949

Mean Square Angles of Bremsstrahlung and Pair Production

Martin Stearns

Phys. Rev. 76, 836 (1949) - Published 15 September, 1949

The Admittance of High Frequency Gas Discharges

Edgar Everhart and Sanborn C. Brown

Phys. Rev. 76, 839 (1949) - Published 15 September, 1949

The Movement of Small Metal Particles Having Six Degrees of Freedom in Air around a Wire Carrying a Constant Electric Current

J. A. Schedling

Phys. Rev. 76, 843 (1949) - Published 15 September, 1949

Letters to the Editor

An Elaboration of the Schrödinger Formalism with Applications to Nuclear Physics

J. W. Calkin

Phys. Rev. 76, 846 (1949) - Published 15 September, 1949

Fourth-Order Corrections in Quantum Electrodynamics and the Magnetic Moment of the Electrons

Robert Karplus and Norman M. Kroll

Phys. Rev. 76, 846 (1949) - Published 15 September, 1949

Hyperfine Structure of $4 {}^{3}P - 4 {}^{3}D$ of the Spectrum of A1 II

S. Suwa

Phys. Rev. 76, 847 (1949) - Published 15 September, 1949

Nuclear Spin and Magnetic Moment of ${Cs}^{135}$ and ${Cs}^{137}$

Darragh E. Nagle

Phys. Rev. 76, 847 (1949) - Published 15 September, 1949

The Energy Distribution of Fission Fragments from ${Pu}^{239}$

D. C. Brunton and W. B. Thompson

Phys. Rev. 76, 848 (1949) - Published 15 September, 1949

Altitude Dependence of Mesons of Energy between 224 and 255 Mev

Marcello Conversi

Phys. Rev. 76, 849 (1949) - Published 15 September, 1949

Altitude Dependence of Penetrating Particles Slowed Down after Traversing 15 Cm of Lead

Marcello Conversi

Phys. Rev. 76, 851 (1949) - Published 15 September, 1949

On the $μ$ -Meson Capture

M. Taketani, S. Nakamura, and M. Sasaki

Phys. Rev. 76, 852 (1949) - Published 15 September, 1949

Statistical Mechanics of Mixtures of ${He}^{3}$ and ${He}^{4}$

J. De Boer

Phys. Rev. 76, 852 (1949) - Published 15 September, 1949

The Beta-Spectrum of Tritium

S. C. Curran, J. Angus, and A. L. Cockroft

Phys. Rev. 76, 853 (1949) - Published 15 September, 1949

On Positive Excess of Meson Component near Sea Level

P. Bassi, E. Clementel, I. Filosofo, and G. Puppi

Phys. Rev. 76, 854 (1949) - Published 15 September, 1949

ARTICLES

Heat Flow in Metals below 1 °K and a New Method for Magnetic Cooling

C. V. Heer and J. G. Daunt

Phys. Rev. 76, 854 (1949) - Published 15 September, 1949

Letters to the Editor

Ion Source for Mass Spectrography

R. F. K. Herzog and F. P. Viehböck

Phys. Rev. 76, 855 (1949) - Published 15 September, 1949

On the Spin of $μ$ -Mesons

J. Tiomno

Phys. Rev. 76, 856 (1949) - Published 15 September, 1949

Analysis of Delayed Coincidence Counting Experiments

Daniel Binder

Phys. Rev. 76, 856 (1949) - Published 15 September, 1949

On the Half-Life of ${Na}^{22}$

L. Jackson Laslett

Phys. Rev. 76, 858 (1949) - Published 15 September, 1949

Microwave Spectrum of C $F_{3}$ Cl

D. K. Coles and R. H. Hughes

Phys. Rev. 76, 858 (1949) - Published 15 September, 1949

Hyperfine Structure of Fe 57

Jean Brossel

Phys. Rev. 76, 858 (1949) - Published 15 September, 1949

Energetic Events in Emulsions at High Altitude

J. Hornbostel and E. O. Salant

Phys. Rev. 76, 859 (1949) - Published 15 September, 1949

Conductivity Changes in Dielectrics during 2.5-Mev X-Radiation

F. C. Armistead, J. C. Pennock, and L. W. Mead

Phys. Rev. 76, 860 (1949) - Published 15 September, 1949

Heavy Particles in Cosmic-Ray Stars

M. Blau, M. M. Block, and J. E. Nafe

Phys. Rev. 76, 860 (1949) - Published 15 September, 1949

The Disintegration Energy of ${Al}^{29}$

L. Seidlitz, E. Bleuler, and D. J. Tendam

Phys. Rev. 76, 861 (1949) - Published 15 September, 1949

On a New Conception of the Interaction between Charges and Electromagnetic Field

Louis De Broglie

Phys. Rev. 76, 862 (1949) - Published 15 September, 1949

Atmospheric Ozone Temperatures As Determined by Spectroscopic Observations from Below

William M. Benesch

Phys. Rev. 76, 863 (1949) - Published 15 September, 1949

Lambda-Temperatures of ${He}^{3}$ - ${He}^{4}$ Mixtures

B. M. Abraham, B. Weinstock, and D. W. Osborne

Phys. Rev. 76, 864 (1949) - Published 15 September, 1949

Solutions of ${He}^{3}$ in ${He}^{4}$

J. W. Stout

Phys. Rev. 76, 864 (1949) - Published 15 September, 1949

Proton-Proton Scattering at 5.11 Mev

R. O. Bondelid, P. G. Bohlman, and K. B. Mather

Phys. Rev. 76, 865 (1949) - Published 15 September, 1949

Decay of a Heavy $τ$ -Meson into Three Lighter Mesons

S. Power

Phys. Rev. 76, 865 (1949) - Published 15 September, 1949

A New Formulation of the Variational Principle for Scattering Problems

Su-Shu Huang

Phys. Rev. 76, 866 (1949) - Published 15 September, 1949

Finite Relativistic Charge-Current Distributions

D. Bohm, M. Weinstein, and H. Kouts

Phys. Rev. 76, 867 (1949) - Published 15 September, 1949

Note on the Variational Method for Finding Extrapolated Endpoints

H. Hurwitz, JR.

Phys. Rev. 76, 867 (1949) - Published 15 September, 1949

Microwave Magnetic Resonance Absorption in Nitric Oxide

Robert Beringer and J. G. Castle, JR.

Phys. Rev. 76, 868 (1949) - Published 15 September, 1949

A Particular Case in Einstein's Generalized Theory of Gravitation

V. V. Narlikar and Ramji Tiwari

Phys. Rev. 76, 868 (1949) - Published 15 September, 1949

Second Sound Velocity in Paramagnetically Cooled Liquid Helium II

John R. Pellam and Russell B. Scott

Phys. Rev. 76, 869 (1949) - Published 15 September, 1949

On the Tripartition and Quadripartition of Uranium Nuclei

R. Chastel and L. Vignerson

Phys. Rev. 76, 870 (1949) - Published 15 September, 1949

The Future Nuclear Interaction

Alex E. S. Green

Phys. Rev. 76, 870 (1949) - Published 15 September, 1949

Mass Assignment of Xenon Activities Produced in Fission

Sigvard Thulin, Ingmar Bergström, and Arne Hedgran

Phys. Rev. 76, 871 (1949) - Published 15 September, 1949

Second Sound and Classical Heat ${Flow}^{a}$ ,

John R. Pellam

Phys. Rev. 76, 872 (1949) - Published 15 September, 1949

Nuclear Spin 5/2 for ${}_{40}{Zr}^{91}$

O. H. Arroe and J. E. Mack

Phys. Rev. 76, 873 (1949) - Published 15 September, 1949

The Binding Energy of the Triton

R. E. Clapp

Phys. Rev. 76, 873 (1949) - Published 15 September, 1949

Proceeding of the American Physical Society

Minutes of The Meeting of The Division of Fluid Dynamics at White Oak, Maryland June 30, July 1, 1949

Phys. Rev. 76, 875 (1949) - Published 15 September, 1949