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  • Letters to the Editor

•	Photo-Neutron Thresholds of Beryllium and Deuterium R. C. Mobley and R. A. Laubenstein pp. 309-314 [View   PDF (1301 kB) ]

•	Radioactive Isotopes of Ag and Cd Jane R. Gum and M. L. Pool pp. 315-317 [View   PDF (394 kB) ]

•	The Decay Scheme of Cl39 R. N. Haslam, L. Katz, H. J. Moody, and H. M. Skarsgard pp. 318-320 [View   PDF (491 kB) ]

•	Energy Dependence of Proton-Proton Scattering, 18.8 to 31.8 Mev Bruce Cork pp. 321-325 [View   PDF (933 kB)  See Also: Erratum]

•	Photo-Disintegration of the Deuteron J. A. Phillips, J. S. Lawson, and P. Gerald Kruger pp. 326-331 [View   PDF (1186 kB) ]

•	Short-Lived Isomers of Ta181 W. C. Barber pp. 332-337 [View   PDF (1258 kB) ]

•	Microwave Determination of the Centrifugal Distortion Constants of CH3Cl, CH3Br, CH3I, BrCN, and ICN James W. Simmons and Wallace E. Anderson pp. 338-342 [View   PDF (916 kB) ]

•	Pile Neutron Absorption Cross Sections S. P. Harris, C. O. Muehlhause, S. Rasmussen, H. P. Schroeder, and G. E. Thomas pp. 342-344 [View   PDF (522 kB) ]

•	Protons and Deuterons Ejected from Nuclei by 90-Mev Neutrons James Hadley and Herbert York pp. 345-354 [View   PDF (1977 kB) ]

•	The Scattering of 100-Mev Electrons from a Heavy Nucleus George Parzen pp. 355-360 [View   PDF (1045 kB) ]

•	The Disintegration of Ti45 M. Ter-Pogossian, C. S. Cook, F. T. Porter, K. H. Morganstern, and J. Hudis pp. 360-365 [View   PDF (1137 kB) ]

•	The Vapor Pressure, Critical Point, Heat of Vaporization, and Entropy of Liquid He3 B. M. Abraham, D. W. Osborne, and B. Weinstock pp. 366-371 [View   PDF (1240 kB) ]

•	On the Space Exchange Magnetic Moments of Light Nuclei Larry Spruch pp. 372-375 [View   PDF (867 kB) ]

•	Electron Removal in Helium Afterglows R. A. Johnson, B. T. McClure, and R. B. Holt pp. 376-379 [View   PDF (700 kB) ]

•	Non-Linear Interactions between Electromagnetic Fields Robert Karplus and Maurice Neuman pp. 380-385 [View   PDF (973 kB) ]

•	Polarization Correlation of Mixed Multipoles Irving Zinnes pp. 386-391 [View   PDF (1123 kB) ]

•	Asymptotic Expansion of Irregular Coulomb Function for Angular Momentum Zero G. Breit and M. H. Hull pp. 392-395 [View   PDF (688 kB) ]

•	The Zeeman Effect in Oxygen Allan F. Henry pp. 396-401 [View   PDF (1051 kB) ]

•	The Influence of a Transverse Magnetic Field on the Conductivity of Thin Metallic Films E. H. Sondheimer pp. 401-406 [View   PDF (1070 kB) ]

•	Photo-Disintegration of Silver and Aluminum B. C. Diven and G. M. Almy pp. 407-414 [View   PDF (1526 kB) ]

•	Neutron Capture Gamma-Ray Spectra Bernard Hamermesh pp. 415-419 [View   PDF (846 kB) ]

•	Internal Conversion of Gamma-Rays from Co60, Cs134, Zn65 M. A. Waggoner, M. L. Moon, and A. Roberts pp. 420-428 [View   PDF (1946 kB) ]

•	The Rotational Structure of the Ultraviolet Band System of the P2 Molecule E. J. Marais and H. Verleger pp. 429-431 [View   PDF (516 kB) ]

•	The Perturbations in the Ultraviolet Band Spectrum of the Phosphorus Molecule P2 S. M. Naudé and H. Verleger pp. 432-435 [View   PDF (748 kB) ]

•	The Forces Exerted on Dislocations and the Stress Fields Produced by Them M. Peach and J. S. Koehler pp. 436-439 [View   PDF (724 kB) ]

•	Mathematical Formulation of the Quantum Theory of Electromagnetic Interaction R. P. Feynman pp. 440-457 [View   PDF (3933 kB) ]

•	On the Ordering Effect of Antiferromagnetism Yin-Yuan Li pp. 457-460 [View   PDF (970 kB) ]

•	The Irreducible Volume Character of Events. I. A Theory of the Elementary Particles and of Fundamental Length B. T. Darling pp. 460-466 [View   PDF (1484 kB) ]

•	Mass-Spectrographic Identification of Cm243 and Cm244 F. L. Reynolds, E. K. Hulet, and K. Street pp. 467 [View   PDF (308 kB) ]

•	P-N Junctions Prepared by Impurity Diffusion R. N. Hall and W. C. Dunlap pp. 467-468 [View   PDF (483 kB) ]

•	The Beta-Disintegration of Th233 M. E. Bunker, L. M. Langer, and R. J. Moffat pp. 468 [View   PDF (175 kB) ]

•	On the Angular Distribution of 3.1-Mev Neutrons Scattered by Protons Yukiyasu Oda, Jumpei Sanada, and Shotaro Yamabe pp. 469 [View   PDF (242 kB) ]

•	Infra-Red Absorption of Hydrogen Induced by Foreign Gases M. F. Crawford, H. L. Welsh, J. C. MacDonald, and J. L. Locke pp. 469-470 [View   PDF (464 kB) ]

•	Excitation Function of the Reaction C12(γ,p)B11 A. K. Mann and J. Halpern pp. 470-471 [View   PDF (418 kB) ]

•	The Isotopes of Xenon and Krypton in Pitchblende and the Spontaneous Fission of U238 J. Macnamara and H. G. Thode pp. 471-472 [View   PDF (358 kB) ]

•	On Range-Momentum Measurements for Electrons in Gases G. F. O'Neill and W. T. Scott pp. 473 [View   PDF (230 kB) ]

•	Solid Non-Crystalline Scintillation Phosphors Marvin G. Schorr and Franklin L. Torney pp. 474 [View   PDF (257 kB) ]

•	On the μ-Meson Decay G. G. Harris and T. J. Shanley pp. 474 [View   PDF (257 kB) ]

•	Variational Methods in Collision Problems Tosio Kato pp. 475 [View   PDF (221 kB) ]

•	Mass Assignments of Alpha-Active Isotopes in the Rare-Earth Region J. O. Rasmussen, F. L. Reynolds, S. G. Thompson, and A. Ghiorso pp. 475-476 [View   PDF (499 kB) ]

•	Magnetic Shielding Constant of H2 G. F. Newell pp. 476-477 [View   PDF (536 kB) ]

•	Scintillation Decay Times Arne Lundby pp. 477 [View   PDF (258 kB) ]

•	Ionization Defects of Fission Fragments J. K. Knipp, R. B. Leachman, and R. C. Ling pp. 478 [View   PDF (270 kB) ]

•	Nuclear Spins of the 2.62-Mev and 3.20-Mev Excited States of Thorium D H. E. Petch and M. W. Johns pp. 478-479 [View   PDF (470 kB) ]

•	The Barometric Effect for Large Cosmic-Ray Bursts under Thick Absorbers at 11,500 Feet Elevation and the Absorption Mean Free Path for Very High Energy Nuclear Collisions Thomas G. Stinchcomb pp. 479-480 [View   PDF (438 kB) ]

•	Narrow Air Showers of Cosmic Rays. III. Further Absorption Measurements J. P. Wei and C. G. Montgomery pp. 480 [View   PDF (237 kB) ]

•	Neutron Energy Distribution in Proton Bombardment of Beryllium David Bodansky pp. 481 [View   PDF (256 kB) ]

•	Scattering and Polarization of Neutrons in an Iron Single Crystal D. J. Hughes, M. T. Burgy, and W. E. Woolf pp. 481-482 [View   PDF (473 kB) ]

•	A 3 × 10-9 Sec. Isomeric State in 63Eu153 F. K. McGowan pp. 482-483 [View   PDF (435 kB) ]

•	Radiofrequency Spectrum of D2 in a Magnetic Field H. G. Kolsky, T. E. Phipps, N. F. Ramsey, and H. B. Silsbee pp. 483 [View   PDF (218 kB) ]

•	The Beta-Spectrum of Sulfur 35 in the Range of 0-30 Kilovolts Leonard Gross and Donald R. Hamilton pp. 484 [View   PDF (236 kB) ]

•	On the Phase Transition in Lead Zirconate Gen Shirane, Etsuro Sawaguchi, and Akitsu Takeda pp. 485 [View   PDF (191 kB) ]

•	A Two-Day Xe133 Isomer B. H. Ketelle, A. R. Brosi, and H. Zeldes pp. 485-486 [View   PDF (427 kB) ]

•	Acceleration of Stripped C12 and C13 Nuclei in the Cyclotron J. F. Miller, J. G. Hamilton, T. M. Purnam, H. R. Haymond, and G. B. Rossi pp. 486 [View   PDF (237 kB)  See Also: Erratum]

•	Values of μp, F, and Mp / me Using the Omegatron H. Sommer, H. A. Thomas, and J. A. Hipple pp. 487 [View   PDF (237 kB) ]

•	A New Method for Determining the Value of the Faraday D. Norman Craig and James I. Hoffman pp. 487 [View   PDF (237 kB) ]

•	Selection Rules for Closed Loop Processes C. B. van Wyk pp. 487-488 [View   PDF (480 kB) ]

•	Disintegration of He3 by Fast Neutrons J. H. Coon pp. 488 [View   PDF (243 kB) ]

•	Internal Conversion of Gamma-Ray From Cs137 M. A. Waggoner pp. 489 [View   PDF (303 kB) ]

•	The Solar Atmosphere and the Origin of Radiofrequency Radiation S. A. Korff and Y. Beers pp. 489-490 [View   PDF (548 kB) ]

•	Erratum: A Ferroelectric Curie Point in KTaO3 at Very Low Temperatures J. K. Hulm, B. T. Matthias, and E. A. Long pp. 490 [View   PDF (245 kB) ]

•	Proton-Proton Scattering at 100 Mev R. W. Birge pp. 490 [View   PDF (245 kB) ]

•	On the Directional Correlation of Successive Nuclear Radiations J. A. Spiers pp. 491 [View   PDF (233 kB) ]

•	A Note on Neutron-Deficient Europium Activities Geoffrey Wilkinson and Harry G. Hicks pp. 491-492 [View   PDF (501 kB) ]

•	The Stars Initiated by Gamma-Rays Seishi Kikuchi pp. 492 [View   PDF (268 kB) ]

•	The Relation between Phase Stability and First-Order Focusing in Linear Accelerators Edwin M. McMillan pp. 493 [View   PDF (230 kB) ]

•	Production of π+-Mesons by X-Rays as a Function of Atomic Number R. F. Mozley pp. 493-494 [View   PDF (370 kB) ]

•	Isotope Shift in the Atomic Spectrum of Carbon Clyde R. Burnett pp. 494 [View   PDF (140 kB) ]