Volume 58, Issue 7

October 1940

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ARTICLES

Further Investigations of the Air Mass Effect on Cosmic-Ray Intensity

D. H. Loughridge and Paul F. Gast

Phys. Rev. 58, 583 (1940) - Published 1 October, 1940

The Carbon Isotopes of Mass Ten and Eleven

L. A. Delsasso, M. G. White, W. Barkas, and E. C. Creutz

Phys. Rev. 58, 586 (1940) - Published 1 October, 1940

On the Angular Distribution of Fast Neutrons Scattered by Hydrogen, Deuterium and Helium

H. H. Barschall and M. H. Kanner

Phys. Rev. 58, 590 (1940) - Published 1 October, 1940

Nuclear Isotope Shift in the Spectrum of ZnH

S. Mrozowski

Phys. Rev. 58, 597 (1940) - Published 1 October, 1940

Electron Scattering in Bromine Gas

C. H. Shaw and T. M. Snyder

Phys. Rev. 58, 600 (1940) - Published 1 October, 1940

Scattering of Fast Electrons in Helium

J. B. Horner Kuper and Edward Teller

Phys. Rev. 58, 602 (1940) - Published 1 October, 1940

Secondary Emission from Films of Platinum on Aluminum

Paul L. Copeland

Phys. Rev. 58, 604 (1940) - Published 1 October, 1940

The Relative Secondary Electron Emission Due to He, Ne, and A Ions Bombarding a Hot Nickel Target

Monica Healea and Charlotte Houtermans

Phys. Rev. 58, 608 (1940) - Published 1 October, 1940

Steady-State Diffusion Under Conditions of Generalized Source and Incident Current Distributions

E. A. Schuchard and E. A. Uehling

Phys. Rev. 58, 611 (1940) - Published 1 October, 1940

Temperature Dependence of the Work Function of Tungsten from Measurement of Contact Potentials by the Kelvin Method

James G. Potter

Phys. Rev. 58, 623 (1940) - Published 1 October, 1940

Theoretical Magnetic Susceptibilities of Metallic Lithium and Sodium

J. B. Sampson and Frederick Seitz

Phys. Rev. 58, 633 (1940) - Published 1 October, 1940

Interpretation of Ferromagnetic Colloid Patterns on Ferromagnetic Crystal Surfaces

W. C. Elmore

Phys. Rev. 58, 640 (1940) - Published 1 October, 1940

A Method for Obtaining Powders of Uniform Sodium Chloride Crystals in Various Size Ranges, and the Effect of Size upon the Intensity of X-Ray Reflection

Fitz-Hugh Marshall

Phys. Rev. 58, 642 (1940) - Published 1 October, 1940

Cloud-Chamber Studies of Fission Fragment Tracks

K. J. Brostrøm, J. K. Bøggild, and T. Lauritsen

Phys. Rev. 58, 651 (1940) - Published 1 October, 1940

Scattering and Stopping of Fission Fragments

N. Bohr

Phys. Rev. 58, 654 (1940) - Published 1 October, 1940

Letters to the Editor

( $d, 2 n$ ) Reaction in Copper

R. S. Livingston and B. T. Wright

Phys. Rev. 58, 656 (1940) - Published 1 October, 1940

The Magnetic Properties of Metallic Cerium

C. Starr and A. R. Kaufmann

Phys. Rev. 58, 657 (1940) - Published 1 October, 1940

A Precise Determination of the Fine Structure Constant

R. F. Christy and J. M. Keller

Phys. Rev. 58, 658 (1940) - Published 1 October, 1940

The Values of $e$ , $\frac{e}{m}$ , $\frac{h}{e}$ and $α$

Raymond T. Birge

Phys. Rev. 58, 658 (1940) - Published 1 October, 1940

Some Experiments on the Relative Cross Sections of the ( $n, α$ ) and ( $n, p$ ) Reactions Produced by Fast Neutrons

Toshio Amaki and Asao Sugimoto

Phys. Rev. 58, 659 (1940) - Published 1 October, 1940

Secondary Emission and Electron Diffraction on the Glass Surface

Hirosi Kamogawa

Phys. Rev. 58, 660 (1940) - Published 1 October, 1940

Fission Products of Uranium by Fast Neutrons

Y. Nishina, T. Yasaki, K. Kimura, and M. Ikawa