Volume 82, Issue 1

April 1951

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ARTICLES

Angular Distribution of ${Li}^{7} (p, α) α$

F. L. Talbott, A. Busala, and G. C. Weiffenbach

Phys. Rev. 82, 1 (1951) - Published 1 April, 1951

Neutron Depolarization on Scattering from Carbon, Paraffin, and Phosphorus

W. E. Meyerhof and D. B. Nicodemus

Phys. Rev. 82, 5 (1951) - Published 1 April, 1951

Radioactivity of Astatine Isotopes

G. W. Barton, Jr., A. Ghiorso, and I. Perlman

Phys. Rev. 82, 13 (1951) - Published 1 April, 1951

Simple Capture of Alpha-Particles

W. E. Bennett, Paul A. Roys, and B. J. Toppel

Phys. Rev. 82, 20 (1951) - Published 1 April, 1951

Angular and Radial Distributions of Particles in Cascade Showers

L. Eyges and S. Fernbach

Phys. Rev. 82, 23 (1951) - Published 1 April, 1951

On the Ionization Yields of Heavy Particles

Julian K. Knipp and Rufus C. Ling

Phys. Rev. 82, 30 (1951) - Published 1 April, 1951

A Rapid Method of Calculating $log (ft)$ Values for $β$ -Transitions

S. A. Moszkowski

Phys. Rev. 82, 35 (1951) - Published 1 April, 1951

The Absorption of Slow $π^{-}$ Mesons in Deuterium

S. Tamor

Phys. Rev. 82, 38 (1951) - Published 1 April, 1951

Energy Levels of $B^{10}$

Fay Ajzenberg

Phys. Rev. 82, 43 (1951) - Published 1 April, 1951

The First Forbidden Shape Factor and the $f_{n} t$ Products for Beta-Decay

Jack P. Davidson, Jr.

Phys. Rev. 82, 48 (1951) - Published 1 April, 1951

Experiments on the Emission of Neutrinos from $P^{32}$

Chalmers W. Sherwin

Phys. Rev. 82, 52 (1951) - Published 1 April, 1951

The Microwave Spectrum and Molecular Constants of Trifluoromethyl Acetylene

Wallace E. Anderson, Ralph Trambarulo, John Sheridan, and Walter Gordy

Phys. Rev. 82, 58 (1951) - Published 1 April, 1951

The Effective Range of Nuclear Forces. Effect of the Potential Shape

E. E. Salpeter

Phys. Rev. 82, 60 (1951) - Published 1 April, 1951

Activation Cross Sections Measured with Antimony-Beryllium Photoneutrons

Virginia Hummel and Bernard Hamermesh

Phys. Rev. 82, 67 (1951) - Published 1 April, 1951

The Inelastic Scattering of 15-Mev Neutrons by Lead, Iron, and Aluminum

P. H. Stelson and Clark Goodman

Phys. Rev. 82, 69 (1951) - Published 1 April, 1951

Self-Diffusion in Cobalt

Foster C. Nix and Frank E. Jaumot, Jr.

Phys. Rev. 82, 72 (1951) - Published 1 April, 1951

Angular Yield of Deuterons and Alphas from the Proton Bombardment of Beryllium

J. A. Neuendorffer, D. R. Inglis, and S. S. Hanna

Phys. Rev. 82, 75 (1951) - Published 1 April, 1951

Reflections in One-Dimensional Wave Mechanics

Rolf Landauer

Phys. Rev. 82, 80 (1951) - Published 1 April, 1951

The Infrared Spectrum of Active Nitrogen

Lewis M. Branscomb

Phys. Rev. 82, 83 (1951) - Published 1 April, 1951

Some Theorems on the Free Energies of Crystal Surfaces

Conyers Herring

Phys. Rev. 82, 87 (1951) - Published 1 April, 1951

Letters to the Editor

Dislocations, Cavities, and the Approach to Magnetic Saturation

William Fuller Brown, Jr.

Phys. Rev. 82, 94 (1951) - Published 1 April, 1951

Notes on the Electrical and Thermal Conductivities of Graphite and Amorphous Carbon

Sanchi Mizushima and Jun Okada

Phys. Rev. 82, 94 (1951) - Published 1 April, 1951

Some Molecular Dipole Moments Determined by Microwave Spectroscopy

James N. Schoolery and A. Harry Sharbaugh

Phys. Rev. 82, 95 (1951) - Published 1 April, 1951

Microwave Spectrum of Methyl Mercaptan

F. Kenneth Hurd and W. D. Hershberger

Phys. Rev. 82, 95 (1951) - Published 1 April, 1951

$β$ -Recoil Experiments with ${Kr}^{89}$

O. Kofoed-Hansen and P. Kristensen

Phys. Rev. 82, 96 (1951) - Published 1 April, 1951

Short-Lived Krypton Isotopes and Their Daughter Substances

O. Kofoed-Hansen and K. O. Nielsen

Phys. Rev. 82, 96 (1951) - Published 1 April, 1951

The Nuclear Magnetic Moment of $I^{129}$

Harold Walchli, Ralph Livingston, and Gordon Herbert

Phys. Rev. 82, 97 (1951) - Published 1 April, 1951

Evidence Concerning the Reaction $p + p \to π^{+} + d$

Frank S. Crawford, Jr., Kenneth M. Crowe, and M. Lynn Stevenson

Phys. Rev. 82, 97 (1951) - Published 1 April, 1951

On the $γ - γ$ -Correlation with Higher Multipoles

David L. Falkoff

Phys. Rev. 82, 98 (1951) - Published 1 April, 1951

On the Decay of $μ$ -Mesons

V. Votruba and Č. Muzikář

Phys. Rev. 82, 99 (1951) - Published 1 April, 1951

A Note on Time Reversal and the Dirac Equation

L. Biedenharn

Phys. Rev. 82, 100 (1951) - Published 1 April, 1951

Neutron Yield for the Li+T Reactions

R. W. Crews

Phys. Rev. 82, 100 (1951) - Published 1 April, 1951

On the Spin of the Nuclear Ground State in the $jj$ -Coupling Scheme

Igal Talmi

Phys. Rev. 82, 101 (1951) - Published 1 April, 1951

Adiabatic Magnetization of a Superconductor

R. L. Dolecek

Phys. Rev. 82, 102 (1951) - Published 1 April, 1951

Meson to Proton Mass Ratios

Walter H. Barkas, F. M. Smith, and Eugene Gardner

Phys. Rev. 82, 102 (1951) - Published 1 April, 1951

ERRATA

Erratum: Energy Dependence of Proton-Proton Scattering, 18.8 to 31.8 Mev

Bruce Cork

Phys. Rev. 82, 103 (1951) - Published 1 April, 1951

Letters to the Editor

Recombination and the Helium Afterglow Spectrum

D. R. Bates

Phys. Rev. 82, 103 (1951) - Published 1 April, 1951

The Disintegration Scheme of $I^{131}$

P. R. Bell, Judith M. Cassidy, and G. G. Kelley

Phys. Rev. 82, 103 (1951) - Published 1 April, 1951

On the Magnetic Moments of ${Mg}^{25}$ , ${Re}^{185}$ , ${Re}^{187}$ , and ${Be}^{9}$

F. Alder and F. C. Yu

Phys. Rev. 82, 105 (1951) - Published 1 April, 1951

On the Nuclear Interaction of $π^{-}$ Mesons in Nuclear Emulsions

G. Bernardini, E. T. Booth, L. Lederman, and J. Tinlot

Phys. Rev. 82, 105 (1951) - Published 1 April, 1951

Ferromagnetic Domains in Bicrystals of Nickel

Ursula M. Martius, Kenelm V. Gow, and Bruce Chalmers

Phys. Rev. 82, 106 (1951) - Published 1 April, 1951

Does Diffusive Separation Exist in the Atmosphere below 55 Kilometers?

D. W. Hagelbarger, Leslie T. Loh, H. W. Neill, M. H. Nichols, and E. A. Wenzel

Phys. Rev. 82, 107 (1951) - Published 1 April, 1951

An Empirical Formula for the Microwave Spectrum of Ammonia

C. C. Costain

Phys. Rev. 82, 108 (1951) - Published 1 April, 1951

New Ferroelectric Tartrates

B. T. Matthias and J. K. Hulm

Phys. Rev. 82, 108 (1951) - Published 1 April, 1951

Resistivity and Hall Constant of Semiconductors

Carl N. Klahr

Phys. Rev. 82, 109 (1951) - Published 1 April, 1951

Fluctuations in the Refractive Index of the Atmosphere at Microwave Frequencies

George Birnbaum

Phys. Rev. 82, 110 (1951) - Published 1 April, 1951

On the Decay of ${Xe}^{125}$ → $I^{125}$ → ${Te}^{125}$

Ingmar Bergström

Phys. Rev. 82, 111 (1951) - Published 1 April, 1951

$β$ -Spectrometer Investigations on Electromagnetically Separated ${Xe}^{135}$ and ${Kr}^{79}$

Ingmar Bergström

Phys. Rev. 82, 112 (1951) - Published 1 April, 1951

Crystal Structure Transitions in Antiferromagnetic Compounds at the Curie Temperature

J. Samuel Smart and Selma Greenwald

Phys. Rev. 82, 113 (1951) - Published 1 April, 1951

Evidence of Long-Range Secondary Electrons Accompanying Cosmic Rays in a Proportional Counter

S. D. Chatterjee

Phys. Rev. 82, 114 (1951) - Published 1 April, 1951

Measurement of Isomeric Transition Energies with a Scintillation Spectrometer

E. der Mateosian and M. Goldhaber

Phys. Rev. 82, 115 (1951) - Published 1 April, 1951

Quantum Effects in the Interaction between Free Electrons and Electromagnetic Fields

Carl Shulman

Phys. Rev. 82, 116 (1951) - Published 1 April, 1951

Disintegration of Neon by Fast Neutrons

C. H. Johnson, C. K. Bockelman, and H. H. Barschall

Phys. Rev. 82, 117 (1951) - Published 1 April, 1951

On the Type of Interaction in $β$ -Decay

Steven A. Moszkowski

Phys. Rev. 82, 118 (1951) - Published 1 April, 1951

Variation of Dielectric Constants of Ionic Crystals with Pressure

D. A. A. S. Narayana Rao

Phys. Rev. 82, 118 (1951) - Published 1 April, 1951

Observation of Magnetic Domains by the Kerr Effect

H. J. Williams, F. G. Foster, and E. A. Wood

Phys. Rev. 82, 119 (1951) - Published 1 April, 1951

$p - n$ Junction Rectifier and Photo-Cell

W. J. Pietenpol

Phys. Rev. 82, 120 (1951) - Published 1 April, 1951

Scintillation Spectrum from Cosmic Rays at 30,000 Feet

L. Reiffel, C. A. Stone, and F. G. Rest

Phys. Rev. 82, 121 (1951) - Published 1 April, 1951

Radiations from ${Zr}^{89}$

Kalman Shure and Martin Deutsch

Phys. Rev. 82, 122 (1951) - Published 1 April, 1951

Cross Sections and $Q$ -Values for the $C^{13}$ + $D^{2}$ Reactions

C. W. Li and Ward Whaling

Phys. Rev. 82, 122 (1951) - Published 1 April, 1951

The Angular Dependence of Scattering and Reaction Cross Sections

John M. Blatt and Lawrence C. Biedenharn

Phys. Rev. 82, 123 (1951) - Published 1 April, 1951

Study of Low Energy Gamma-Radiations Emitted from ${Pa}^{231}$ and $U^{234}$

Gertrude Scharff-Goldhaber and Michael McKeown

Phys. Rev. 82, 123 (1951) - Published 1 April, 1951

On the Hall Effect in Ferromagnetics

N. Rostoker and Emerson M. Pugh

Phys. Rev. 82, 125 (1951) - Published 1 April, 1951

Scattering of 20-Mev Alpha-Particles by Helium

K. B. Mather

Phys. Rev. 82, 126 (1951) - Published 1 April, 1951

The Discrepancy in the Energy of Annihilation Radiation and the Possibility of Electron-Positron Mass Difference

Arne Hedgran and David A. Lind

Phys. Rev. 82, 126 (1951) - Published 1 April, 1951

Energy of the ThC″ 2.62-Mev Gamma-Ray

Arne Hedgran

Phys. Rev. 82, 128 (1951) - Published 1 April, 1951

Proceedings of the American Physical Society

Phys. Rev. 82, 129 (1951) - Published 1 April, 1951

Proceedings of the American Physical Society

Phys. Rev. 82, 131 (1951) - Published 1 April, 1951