• MINOR CONTRIBUTIONS
• LETTERS
  • General Physics
  • Elementary Particles and Fields
  • Nuclei
  • Atoms and Molecules
  • Fluids, Plasmas, and Electric Discharges
  • Condensed Matter: Structure, Etc.
  • Condensed Matter: Electronic Properties, Etc.
  • Cross-Disciplinary Physics
• ERRATA

MINOR CONTRIBUTIONS

•	Referees and Editors Robert K. Adair, George L. Trigg, and Gene L. Wells pp. 545-546 [View Page Images , PDF (182 kB), or Buy this Article (Use Article Pack) ]

LETTERS

General Physics

•	Proof of the Positive-Action Conjecture in Quantum Relativity Richard M. Schoen and Shing-Tung Yau pp. 547-548 [View Page Images , PDF (268 kB), or Buy this Article (Use Article Pack) ]

•	Improved Laser Test of the Isotropy of Space A. Brillet and J. L. Hall pp. 549-552 [View Page Images , PDF (669 kB), or Buy this Article (Use Article Pack) ]

Elementary Particles and Fields

•

Measurement of Shadowing in Photon-Nucleus Total Cross Sections from 20 to 185 GeV D. O. Caldwell, J. P. Cumalat, A. M. Eisner, A. Lu, R. J. Morrison, F. V. Murphy, S. J. Yellin, P. J. Davis, M. G. Donnelly, R. M. Egloff, G. J. Luste, J. F. Martin, J. D. Prentice, and T. Nash pp. 553-556 [View Page Images , PDF (640 kB), or Buy this Article (Use Article Pack) ]

•

Upper Limit for the Decay μ+→e+γ J. D. Bowman, M. D. Cooper, M. Hamm, C. M. Hoffman, R. E. Mischke, D. E. Nagle, J. S. Sarracino, P. A. Thompson, H. L. Anderson, W. W. Kinnison, H. S. Matis, S. C. Wright, R. L. Carrington, R. A. Eichler, R. Hofstadter, E. B. Hughes, and T. McPharlin pp. 556-560 [View Page Images , PDF (815 kB), or Buy this Article (Use Article Pack) ]

Nuclei

•	Incomplete Momentum Transfer in Peripheral Heavy-Ion Collisions at 20 MeV/Nucleon P. Dyer, T. C. Awes, C. K. Gelbke, B. B. Back, A. Mignerey, K. L. Wolf, H. Breuer, V. E. Viola, and W. G. Meyer pp. 560-563 [View Page Images , PDF (642 kB), or Buy this Article (Use Article Pack) ]

•	Giant E1 Mode and Its Energy Broadening from the Charge Distributions in Heavy-Ion Reactions L. G. Moretto, J. Sventek, and G. Mantzouranis pp. 563-566 [View Page Images , PDF (663 kB), or Buy this Article (Use Article Pack) ]

•	Origin of Gross Structure in 12C + 12C and 16O + 16O Inelastic Scattering R. L. Phillips, K. A. Erb, D. A. Bromley, and J. Weneser pp. 566-570 [View Page Images , PDF (881 kB), or Buy this Article (Use Article Pack) ]

Atoms and Molecules

•	Observation of Mixed-Parity Electric-Dipole Oscillations in Charge Transfer to the n=2 Hydrogen Levels by Fast Protons in Gases I. A. Sellin, L. Liljeby, S. Mannervik, and S. Hultberg pp. 570-573 [View Page Images , PDF (749 kB), or Buy this Article (Use Article Pack) ]

Fluids, Plasmas, and Electric Discharges

•	Charged Droplets in Cryogenic 4He Vapor G. Akinci and J. A. Northby pp. 573-576 [View Page Images , PDF (649 kB), or Buy this Article (Use Article Pack) ]

Condensed Matter: Structure, Etc.

•	Monte Carlo Study of an Ordering Alloy on an fcc Lattice Mohan K. Phani, Joel L. Lebowitz, M. H. Kalos, and C. C. Tsai pp. 577-580 [View Page Images , PDF (610 kB), or Buy this Article (Use Article Pack) ]

•	Superfluid Two-Phase Sound Seth Putterman, David Heckerman, Ralph Rosenbaum, and Gary A. Williams pp. 580-583 [View Page Images , PDF (539 kB), or Buy this Article (Use Article Pack) ]

•	Calculation of Thermal Expansion, Compressiblity, an Melting in Alkali Halides: NaCl and KCl L. L. Boyer pp. 584-587 [View Page Images , PDF (560 kB), or Buy this Article (Use Article Pack) ]

•	Absolute Composition Depth Profile of a NiCu Alloy in a Surface Segregation Study Yee S. Ng, T. T. Tsong, and S. B. McLane pp. 588-591 [View Page Images , PDF (479 kB), or Buy this Article (Use Article Pack) ]

Condensed Matter: Electronic Properties, Etc.

•	Importance of Polarization of Bound Projectile s Electrons for Transient Magnetic Fields K. Dybdal, J. L. Eberhardt, and N. Rud pp. 592-595 [View Page Images , PDF (705 kB), or Buy this Article (Use Article Pack) ]

•	Observation of Sixfold Valley Degeneracy in Electron Inversion Layers on Si(111) D. C. Tsui and G. Kaminsky pp. 595-597 [View Page Images , PDF (541 kB), or Buy this Article (Use Article Pack) ]

•	Near Cancellation of Electron-Phonon Corrections in Thermoelectric Effects in Alloys A. Vilenkin and P. L. Taylor pp. 597-599 [View Page Images , PDF (427 kB), or Buy this Article (Use Article Pack) ]

•	Definite Evidence for Population Inversion of Hot Electrons in Silver Halides Susumu Komiyama, Taizo Masumi, and Koji Kajita pp. 600-602 [View Page Images , PDF (491 kB), or Buy this Article (Use Article Pack) ]

•	Zero-Field NMR in CuMn: New Viewpoint on Remanence in Spin-Glasses H. Alloul pp. 603-606 [View Page Images , PDF (688 kB), or Buy this Article (Use Article Pack) ]

•	Specific Heat near the Critical Concentration for the Dilute Simple-Cubic Magnet CopZn1-p(C5H5NO)6(ClO4)2 H. A. Algra, L. J. de Jongh, and J. Reedijk pp. 606-609 [View Page Images , PDF (631 kB), or Buy this Article (Use Article Pack) ]

Cross-Disciplinary Physics

•	Production of 0.5-TW Proton Pulses with a Spherical Focusing, Magnetically Insulated Diode D. J. Johnson, G. W. Kuswa, A. V. Farnsworth, J. P. Quintenz, R. J. Leeper, E. J. Burns, and S. Humphries pp. 610-613 [View Page Images , PDF (652 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

ERRATA

•	Raman Scattering Measurements of the Eg Optical Phonon in V3Si. H. Wipf, Miles V. Klein, B. S. Chandrasekhar, T. H. Geballe, and J. H. Wernick pp. 614 [View Page Images or PDF (86 kB) ]

•	Absence of Substrate Nucleation for bcc Solid 3He on Grafoil. J. Landau and Y. Eckstein pp. 614 [View Page Images or PDF (86 kB) ]

•	Parity of Bound J=1 Levels in 208Pb. A. M. Nathan, R. Starr, R. M. Laszewski, and P. Axel pp. 614 [View Page Images or PDF (86 kB) ]

•	Light Scattering from Nonequilibrium Stationary States: The Implication of Broken Time-Reversal Symmetry. Itamar Procaccia, David Ronis, and Irwin Oppenheim pp. 614 [View Page Images or PDF (86 kB) ]