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AMERICAN PHYSICAL SOCIETY



Physical Review – 15 February 1951
(Volume 81, Issue 4)




Stopping Power and Energy Loss for Ion Pair Production for 340-Mev Protons
C. J. Bakker and E. Segrè
pp. 489-492 [View   PDF (758 kB) ]

90-Mev Neutron-Proton Scattering at Large Proton Angles
Roger Wallace
pp. 493-497 [View   PDF (1066 kB) ]

Reflection of Neutrons from Magnetized Mirrors
D. J. Hughes and M. T. Burgy
pp. 498-506 [View   PDF (1974 kB) ]

The Determination of Atomic Mass Doublets by Means of a Mass Spectrometer
Alfred O. Nier and T. R. Roberts
pp. 507-510 [View   PDF (886 kB) ]

Polonium Isotopes Produced with High Energy Particles
D. G. Karraker and D. H. Templeton
pp. 510-516 [View   PDF (1173 kB) ]

Neutron Production by Cosmic Rays at Sea Level
A. R. Tobey and C. G. Montgomery
pp. 517-519 [View   PDF (593 kB) ]

Alpha-Particle Groups from the N14(d,α)C12 and N15(d,α)C13 Reactions
R. Malm and W. W. Buechner
pp. 519-522 [View   PDF (806 kB) ]

Gamma-Radiation from Pb206
D. E. Alburger and G. Friedlander
pp. 523-526 [View   PDF (916 kB) ]

Coherent Scattering Amplitudes as Determined by Neutron Diffraction
C. G. Shull and E. O. Wollan
pp. 527-535 [View   PDF (1953 kB) ]

Thick Target Fast Neutron Yield from 15-Mev Deuteron and 30-Mev Alpha-Bombardment
A. J. Allen, J. F. Nechaj, K. -H. Sun, and B. Jennings
pp. 536-539 [View   PDF (731 kB) ]

Radioactive Isotopes of Lutetium and Hafnium
G. Wilkinson and H. G. Hicks
pp. 540-543 [View   PDF (912 kB) ]

On the Production of Mesons by Primary Cosmic Rays
H. D. Rathgeber
pp. 544-551 [View   PDF (1609 kB) ]

A Search for Primary Cosmic Gamma-Radiation. I
Gilbert J. Perlow and C. W. Kissinger
pp. 552-554 [View   PDF (672 kB) ]

The Gamma-Ray Spectrum Resulting from Capture of Negative π-Mesons in Hydrogen and Deuterium
Wolfgang K. Panofsky, R. Lee Aamodt, and James Hadley
pp. 565-574 [View   PDF (2101 kB) ]

The Capture of π-Mesons in Deuterium
K. Brueckner, R. Serber, and K. Watson
pp. 575-578 [View   PDF (780 kB) ]

On the Density Spectrum and Structure of Extensive Air Showers
S. F. Singer
pp. 579-592 [View   PDF (3024 kB) ]

Proton-Proton Scattering at 3.4, 6.8, and 7.5 Mev
James Rouvina
pp. 593-601 [View   PDF (1715 kB) ]

The Relative Probabilities and Absolute Cross Sections of the D — D Reactions
K. G. McNeill and G. M. Keyser
pp. 602-606 [View   PDF (1046 kB) ]

On the Photo-Conductivity of Thallous Sulfide Cells
A. W. Ewald
pp. 607-611 [View   PDF (1029 kB) ]

New Aspects of the Photoelectric Emission from Na and K
Jean Dickey
pp. 612-616 [View   PDF (1090 kB) ]

On the First Passage Time Probability Problem
Arnold J. Siegert
pp. 617-623 [View   PDF (932 kB) ]



The Atomic Masses of H1, C12, and S32
Alfred O. Nier
pp. 624 [View   PDF (212 kB) ]

Beta-Decay and Meson Decay
Eduardo R. Caianiello
pp. 625 [View   PDF (266 kB) ]

Low Energy Electron Resulting from a Stopped μ-Meson
Gerhart Groetzinger, Lewis B. Leder, and Fred L. Ribe
pp. 626 [View   PDF (274 kB) ]

Thermal Expansion at Low Temperatures
S. Visvanathan
pp. 626-627 [View   PDF (491 kB) ]

The Directional Distribution of Photo-Electrons Ejected by Polarized Quanta
Frank L. Hereford
pp. 627-628 [View   PDF (503 kB) ]

On the Production of Polarized High Energy X-Rays
M. May and G. C. Wick
pp. 628 [View   PDF (286 kB) ]

The Integral Multiplicity of Meson Production
Kurt Sitte
pp. 628-629 [View   PDF (530 kB) ]

Delays of Penetrating Particles in Atmospheric Showers
L. Mezzetti, E. Pancini, and G. Stoppini
pp. 629-630 [View   PDF (482 kB) ]

Microwave Spectra of Deutero-Ammonias
Harold Lyons, L. J. Rueger, R. G. Nuckolls, and M. Kessler
pp. 630-631 [View   PDF (437 kB) ]

The Enhanced Photoelectric Emission Effect in Barium Oxide
B. D. McNary
pp. 631-632 [View   PDF (397 kB) ]

Angular Distributions of Neutrons from (α,n) and (d,n) Reactions
Bernard L. Cohen
pp. 632-633 [View   PDF (404 kB) ]

High Energy Photo-Protons from Carbon
Darcy Walker
pp. 634-635 [View   PDF (419 kB) ]

The Nuclear Spin of Be9
H. S. Gutowsky, R. E. McClure, and C. J. Hoffman
pp. 635-636 [View   PDF (434 kB) ]

On the Hard Sphere Model of the Nucleon
Robert Jastrow
pp. 636 [View   PDF (185 kB) ]

Growth of Germanium Single Crystals Containing p-n Junctions
G. K. Teal, M. Sparks, and E. Buehler
pp. 637 [View   PDF (216 kB) ]

Theory and Experiment for a Germanium p-n Junction
F. S. Goucher, G. L. Pearson, M. Sparks, G. K. Teal, and W. Shockley
pp. 637-638 [View   PDF (383 kB) ]

On the Isomerism of Kr83 and Xe133
Ingmar Bergström
pp. 638-639 [View   PDF (416 kB) ]

Window Correction Curves and the Shape of Beta-Spectra
D. Saxon
pp. 639 [View   PDF (250 kB) ]

The High Energy Beta-Spectrum of Sc46
Fred T. Porter and C. Sharp Cook
pp. 640-641 [View   PDF (443 kB) ]

Q-Values for (α,p) Reactions on Aluminum and Boron by Means of Photographic Emulsions
Hilding Slätis, Elis Hjalmar, and Rune Carlsson
pp. 641-642 [View   PDF (412 kB)  See Also: Erratum]

Low Intensity Radiations in I131 Decay
H. Zeldes, A. R. Brosi, and B. H. Ketelle
pp. 642 [View   PDF (191 kB) ]

The High Energy Gamma Radiation† from Ta181
J. M. Cork, W. J. Childs, C. E. Branyan, W. C. Rutledge, and A. E. Stoddard
pp. 642-643 [View   PDF (417 kB) ]

Calculations on the Number of Neutrons in the Atmosphere
S. Lattimore
pp. 643 [View   PDF (226 kB) ]

The Half-Life of I131
Jules H. Sreb
pp. 643 [View   PDF (226 kB) ]


Erratum: The Cross Section for Photo-Disintegration of the Deuteron at Low Energies
G. R. Bishop, C. H. Collie, H. Halban, A. Hedgran, K. Siegbahn, S. Du Toit, and R. Wilson
pp. 644 [View   PDF (232 kB) ]



The Excitation Energy Difference in Li7Be7
E. Feenberg
pp. 644 [View   PDF (232 kB) ]

Experimental Search for the Beta-Decay of the π+ Meson
Helen L. Friedman and James Rainwater
pp. 644-645 [View   PDF (458 kB) ]


Paramagnetic Resonance at Very Low Fields
Martin A. Garstens
pp. 645 [View   PDF (226 kB) ]



Proceedings of the American Physical Society

pp. 646-664 [View   PDF (4597 kB) ]