• ARTICLES
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• ARTICLES
  • Articles
• LETTERS
  • Letters to the Editor
• MINOR CONTRIBUTIONS

•	Transition Curves of 330-Mev Bremsstrahlung Wade Blocker, Robert W. Kenney, and Wolfgang K. Panofsky pp. 419-428 [View   PDF (1936 kB) ]

•	The Disintegration of Ruthenium 103 and Palladium 103 J. Y. Mei, C. M. Huddleston, and Allan C. Mitchell pp. 429-432 [View   PDF (761 kB) ]

•	Nuclear Energy Level Argument for a Spheroidal Nuclear Model James Rainwater pp. 432-434 [View   PDF (623 kB) ]

•	The 4n + 1 Radioactive Series: The Decay Products of U233 French Hagemann, L. I. Katzin, M. H. Studier, G. T. Seaborg, and A. Ghiorso pp. 435-443 [View   PDF (1610 kB) ]

•	Interaction of 12- to 13-Mev Neutrons with Deuterons G. L. Griffith, M. E. Remley, and P. G. Kruger pp. 443-449 [View   PDF (1424 kB) ]

•	A Redetermination of the Relative Abundances of the Isotopes of Neon, Krypton, Rubidium, Xenon, and Mercury Alfred O. Nier pp. 450-454 [View   PDF (1058 kB) ]

•	Study of Electron-Electron Scattering Gerhart Groetzinger, Lewis B. Leder, Fred L. Ribe, and Martin J. Berger pp. 454-458 [View   PDF (1055 kB) ]

•	Magnetic Cloud-Chamber Analysis of Cosmic Rays at 3.4 Kilometers Charles E. Miller, Joseph E. Henderson, David S. Potter, Jay Todd, and A. William Wotring pp. 459-466 [View   PDF (1624 kB) ]

•	Evidence for the Formation of Ce139 by an n-γ Reaction Alfred J. Moses and Don S. Martin pp. 467-469 [View   PDF (612 kB) ]

•	Variational Principles for Scattering Processes. I B. A. Lippmann and Julian Schwinger pp. 469-480 [View   PDF (1753 kB) ]

•	Variational Principles for Scattering Processes. II. Scattering of Slow Neutrons by Para-Hydrogen B. A. Lippmann pp. 481-486 [View   PDF (744 kB) ]

•	Isomerism in Co58 Karl Strauch pp. 487-490 [View   PDF (930 kB) ]

•	Decay Constants of K40 G. A. Sawyer and M. L. Wiedenbeck pp. 490-494 [View   PDF (1127 kB) ]

•	Reflection Properties of Spin ½ Fields and a Universal Fermi-Type Interaction C. N. Yang and J. Tiomno pp. 495-498 [View   PDF (823 kB) ]

•	The Origin of Cosmic Rays Edwin M. McMillan pp. 498-501 [View   PDF (926 kB) ]

•	The Extraordinary Increase of Cosmic-Ray Intensity on November 19, 1949 Scott E. Forbush, Thomas B. Stinchcomb, and Marcel Schein pp. 501-504 [View   PDF (985 kB) ]

•	Ratio of Cross Sections for Electron Capture and Electron Loss by Proton Beams in Metals Theodore Hall pp. 504-512 [View   PDF (2156 kB) ]

•	The Nuclear Quadrupole Moment of N14 and the Structure of Nitrogen Trifluoride from Microwave Spectra John Sheridan and Walter Gordy pp. 513-515 [View   PDF (629 kB) ]

•	An Application of the W.K.B. Method to the Cohesive Energy of Monovalent Metals T. S. Kuhn pp. 515-519 [View   PDF (911 kB) ]

•	Quantum Field Theory Hartland S. Snyder pp. 520-525 [View   PDF (1380 kB) ]

•	Notes on the Theory of Dielectric Breakdown in Ionic Crystals H. Fröhlich and F. Seitz pp. 526-527 [View   PDF (482 kB) ]

•	Fission of Medium Weight Elements Roger E. Batzel and Glenn T. Seaborg pp. 528 [View   PDF (302 kB) ]

•	On the Nature of V-Centers in the Alkali Halides Frederick Seitz pp. 529 [View   PDF (300 kB) ]

•	A Note on the Vapor Pressure of He3, He4 Solutions John E. Kilpatrick pp. 529-530 [View   PDF (539 kB) ]

•	The Isotopes of Americium K. Street, A. Ghiorso, and G. T. Seaborg pp. 530-531 [View   PDF (562 kB) ]

•	The Low Terms of Ti II Abraham Many pp. 531-532 [View   PDF (544 kB) ]

•	Remarks on the Variational Method for Scattering Problems L. Hulthén and P. O. Olsson pp. 532 [View   PDF (222 kB) ]

•	Photo-Fission of Bismuth Nathan Sugarman pp. 532-533 [View   PDF (515 kB) ]

•	Polaron States in Ionic Crystals Herbert B. Callen pp. 533-534 [View   PDF (541 kB) ]

•	Paramagnetic Resonance and Hyperfine Structure in the Iron Transition Group A. Abragam pp. 534 [View   PDF (249 kB) ]

•	Properties of Tl209 French Hagemann pp. 534-535 [View   PDF (433 kB) ]

•	Resistivity of Semiconductors Containing Both Acceptors and Donors C. S. Hung and V. A. Johnson pp. 535-536 [View   PDF (373 kB) ]

•	Note on the Revision of the Hyperfine Structure of the Spectrum of Mercury K. Murakawa pp. 536 [View   PDF (189 kB) ]

•	On the Isomerism of Kr85 Ingmar Bergström and Sigvard Thulin pp. 537 [View   PDF (224 kB) ]

•	On the Decay of Xe133m Ingmar Bergström and Sigvard Thulin pp. 538-539 [View   PDF (480 kB) ]

•	Scattering of 3.27-Mev Neutrons by Deuterons in the Wilson Chamber I. Hamouda, J. Halter, and P. Scherrer pp. 539 [View   PDF (261 kB) ]

•	Note on Angular Asymmetries in (γ,n) Reactions H. L. Poss pp. 539-540 [View   PDF (508 kB) ]

•	A Large Fluctuation in the Rate of Production of Nuclear Disintegrations Following a Solar Flare J. J. Lord, A. W. Elston, and Marcel Schein pp. 540-541 [View   PDF (448 kB) ]

•	The Beta-Spectra of Zn62 and Cu62 Raymond W. Hayward pp. 541-542 [View   PDF (439 kB) ]

•	The Sn117 Isomeric Activity Raymond W. Hayward pp. 542 [View   PDF (238 kB) ]

•	Magnetic Resonance in Antiferromagnetic Materials near the Curie Temperature E. P. Trounson, D. F. Bleil, R. K. Wangsness, and L. R. Maxwell pp. 542-543 [View   PDF (422 kB) ]

•	Single Synthetic Zinc Sulfide Crystals D. C. Reynolds and S. J. Czyzak pp. 543-544 [View   PDF (436 kB) ]

•	The Thermal Neutron Scattering by Ammonium Chloride Motoharu Kimura pp. 544 [View   PDF (252 kB) ]

•	The Shape of the Rossi Curve W. Bothe and H. Thurn pp. 544-545 [View   PDF (391 kB) ]

•	Sixth Meeting of the Division of Fluid Dynamics at Urbana, Illinois, May 12, 13, 1950 pp. 546-548 [View   PDF (629 kB) ]