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• MINOR CONTRIBUTIONS

•	The Molecular Spectrum of He3 G. H. Dieke and Eugene Sant Robinson pp. 1-5 [View   PDF (1040 kB) ]

•	A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils L. D. Roberts, J. E. Hill, and G. McCammon pp. 6-10 [View   PDF (997 kB) ]

•	Neutron Penetration and Slowing Down at Intermediate Distances through Medium and Heavy Nuclei H. A. Bethe, L. Tonks, and H. Hurwitz pp. 11-19 [View   PDF (1490 kB) ]

•	Neutron Scattering Cross Sections of the Noble Gases Sigmund P. Harris pp. 20-22 [View   PDF (562 kB) ]

•	Total Cross Sections of Nuclei for 280-Mev Neutrons R. Fox, C. Leith, L. Wouters, and K. R. MacKenzie pp. 23-26 [View   PDF (799 kB) ]

•	Nuclear Cross Sections for 270-Mev Neutrons James DeJuren pp. 27-30 [View   PDF (772 kB) ]

•	Measurement of Absolute Electron Capture Rates with an Application to the Decay of Ni57 G. Friedlander, M. L. Perlman, D. Alburger, and A. W. Sunyar pp. 30-33 [View   PDF (769 kB) ]

•	Angular Correlation in the Reaction F19(p,α)O16*(γ)O16 Wayne R. Arnold pp. 34-39 [View   PDF (1119 kB) ]

•	Cascade Showers in Lead Kenneth M. Crowe and Evans Hayward pp. 40-42 [View   PDF (564 kB) ]

•	Note on the Li7 Quadrupole Moment R. D. Present pp. 43-47 [View   PDF (1132 kB) ]

•	The Primary Specific Ionization and Intensity of the Cosmic Radiation above the Atmosphere at the Geomagnetic Equator S. F. Singer pp. 47-51 [View   PDF (999 kB) ]

•	A Determination of the High Altitude Latitude Dependence in Cosmic-Ray Neutron Intensity William P. Staker pp. 52-57 [View   PDF (1256 kB) ]

•	A Floating Double Probe Method for Measurements in Gas Discharges E. O. Johnson and L. Malter pp. 58-68 [View   PDF (1965 kB) ]

•	Scattering of Electrons in Crystals in the Presence of Large Electric Fields J. Bardeen and W. Shockley pp. 69-71 [View   PDF (451 kB) ]

•	Deformation Potentials and Mobilities in Non-Polar Crystals J. Bardeen and W. Shockley pp. 72-80 [View   PDF (1907 kB) ]

•	The Hamiltonian of the General Theory of Relativity with Electromagnetic Field Peter G. Bergmann, Robert Penfield, Ralph Schiller, and Henry Zatzkis pp. 81-88 [View   PDF (1374 kB) ]

•	The Dielectric Constant of Liquid Helium C. J. Grebenkemper and John P. Hagen pp. 89 [View   PDF (234 kB) ]

•	Relativistic Increase in Ionization of Charged Particles in Photographic Emulsions E. Pickup and L. Voyvodic pp. 89-90 [View   PDF (430 kB) ]

•	Neutron Capture γ-Rays from Cd, Cl, and C Richard Wilson pp. 90-91 [View   PDF (411 kB) ]

•	A Standard Substance for Precise Electron Diffraction Measurements F. W. Boswell pp. 91-92 [View   PDF (437 kB) ]

•	Pulses in Argon Counters Laura Colli, Ugo Facchini, and Emilio Gatti pp. 92-93 [View   PDF (421 kB) ]

•	Domain Structure of Rochelle Salt J. Furuichi and T. Mitsui pp. 93-94 [View   PDF (370 kB) ]

•	The γ-Ray Spectrum Resulting from Capture of Negative π-Mesons in Hydrogen Wolfgang K. Panofsky, Lee Aamodt, James Hadley, and Robert Phillips pp. 94 [View   PDF (171 kB) ]

•	Atomic Positions and Vibrations in the Ferroelectric BaTiO3 Lattice W. Kaenzig pp. 94-95 [View   PDF (357 kB) ]

•	Role of Metastable (3P2) Hg Atoms in Low Current Discharges in Hg Rare Gas Mixtures Carl Kenty pp. 95-96 [View   PDF (422 kB) ]

•	A New Form of Discharge in Gas Mixtures: The Flashing Discharge Carl Kenty pp. 96 [View   PDF (236 kB) ]

•	Grain Counts and Corrected α-Particle Range-Energy Curve for Ilford E-1 Emulsions Isadore B. Berlman pp. 96-97 [View   PDF (455 kB) ]

•	The Probable Energy Loss of Electrons in Matter S. D. Warshaw and Joses J. Chen pp. 97-98 [View   PDF (391 kB) ]

•	Effect of Finite Range Interactions in the (jj) Coupling Shell Model Dieter Kurath pp. 98-99 [View   PDF (395 kB) ]

•	Os182 and Os183, New Radioactive Osmium Isotopes Betsy Jones Stover pp. 99 [View   PDF (223 kB) ]

•	Sheath Formation in Ion-Neutralized Electron Beams E. G. Linder pp. 99-100 [View   PDF (464 kB) ]

•	Some Remarks on the Analysis of the First U-Spark Spectrum J. C. van den Bosch pp. 100 [View   PDF (241 kB) ]

•	Isotopic Separation due to Settling in the Atmosphere John H. McQueen pp. 100-101 [View   PDF (498 kB) ]

•	Ionic Mobilities and the Electric Quadrupole Moment of N2 M. H. Johnson pp. 101 [View   PDF (257 kB) ]

•	Microwave Investigation of SCSe Børge Bak, Raymond Sloan, and Dudley Williams pp. 101-102 [View   PDF (511 kB) ]

•	Isotopic Constitution of Thulium C. R. Lagergren and M. E. Kettner pp. 102 [View   PDF (253 kB) ]

•	On Nuclear Quadrupole Moments R. Sternheimer pp. 102-103 [View   PDF (466 kB) ]

•	Nuclear Magnetic Resonance for K39 T. L. Collins pp. 103 [View   PDF (213 kB) ]

•	Magnetic Moments of Odd Nuclei A. de-Shalit pp. 103-104 [View   PDF (473 kB) ]

•	Natural Spread of the Conic Distribution of the Čerenkov Radiation Yin-Yuan Li pp. 104 [View   PDF (260 kB) ]

•	Isomers and Shell Structure Peter Axel pp. 104-105 [View   PDF (481 kB) ]

•	On the Determination of the P-P Interaction from Scattering Experiments Carl-Erik Fröberg pp. 105 [View   PDF (221 kB) ]

•	Theory of Natural Alpha-Radioactivity Bernard L. Cohen pp. 105-106 [View   PDF (452 kB) ]

•	Ionization by Recoil Particles from Alpha-Decay Rufus C. Ling and Julian K. Knipp pp. 106 [View   PDF (230 kB) ]

•	The Meson Spectrum and Meterological Variations in Cosmic-Ray Intensity D. C. Rose pp. 106-107 [View   PDF (445 kB) ]

•	Gamma-Ray Resonances Produced by the Bombardment of Phosphorus with Protons G. R. Grove, John N. Cooper, and J. C. Harris pp. 107-108 [View   PDF (434 kB) ]

•	New Evidence for the Existence of Positively Charged Particles Appearing near Beta-Ray Emitters Gerhart Groetzinger and David Kahn pp. 108-109 [View   PDF (481 kB) ]

•	Neutron Production by Proton Bombardment below the (p,n) Threshold B. Jennings, K. H. Sun, and H. A. Leiter pp. 109-110 [View   PDF (460 kB) ]

•	Chemical Shifts in the Magnetic Resonance of F19 H. S. Gutowsky and C. J. Hoffman pp. 110-111 [View   PDF (465 kB) ]

•	The β-Spectrum of C14 S. D. Warshaw pp. 111-112 [View   PDF (501 kB) ]

•	A Thermal Mechanism for Residual Latent Image Fading in Nuclear Emulsions Arthur Beiser pp. 112 [View   PDF (235 kB) ]

•	Mechanism of Magnetization in Alnico V E. A. Nesbitt and H. J. Williams pp. 112-113 [View   PDF (705 kB) ]

•	On the Isomerism of Xe131 Ingmar Bergström pp. 114 [View   PDF (251 kB) ]

•	Microwave Magnetic Resonance Absorption in Nitrogen Dioxide J. G. Castle and Robert Beringer pp. 114-115 [View   PDF (429 kB) ]

•	Angular Correlation of the Gamma-Rays Emitted from the Excited States of A38 Rolf M. Steffen pp. 115-116 [View   PDF (429 kB) ]

•	Erratum: On the Primary Cosmic-Ray Spectrum J. A. Van Allen and S. F. Singer pp. 116 [View   PDF (250 kB) ]

•	Apparent Error in the Measured Mass of S32 A. S. Penfold pp. 116-117 [View   PDF (518 kB) ]

•	Detection of Beta-Induced Scintillations from Crystals with a Photo-Sensitive Geiger-Mueller Counter C. E. Mandeville and H. O. Albrecht pp. 117 [View   PDF (267 kB) ]

•	The Scattering Lengths of the Deuteron D. G. Hurst and N. Z. Alcock pp. 117-118 [View   PDF (482 kB) ]

•	Angular Correlation: A General Proof of the Method of D. R. Hamilton Stuart P. Lloyd pp. 118-119 [View   PDF (466 kB) ]

•	Quantum Effects in the Interaction of Electrons with High Frequency Fields J. C. Ward pp. 119 [View   PDF (252 kB) ]

•	Self-Diffusion in Cobalt Foster C. Nix and Frank E. Jaumot pp. 119 [View   PDF (252 kB) ]

•	A New Method of Integration of Weak Nuclear Magnetic Resonance Signals G. Suryan pp. 119 [View   PDF (252 kB) ]

•	Minutes of the Meeting at Mexico City, June 21-23, 1950 pp. 120-139 [View   PDF (4534 kB) ]