Volume 53, Issue 1

M. L. Swartz, H. J. Frisch, H. B. Greenlee, C. Grosso-Pilcher, K. F. Johnson, M. D. Mestayer, L. Schachinger, M. J. Shochet, P. A. Piroue, B. G. Pope, D. P. Stickland, and R. L. Sumner

Phys. Rev. Lett. 53, 32 (1984) - Published 2 July, 1984

Nuclei

Intermediate Structure in the Photofission Cross Section of ${}^{232}{Th}$

H. X. Zhang, T. R. Yeh, and H. Lancman

Phys. Rev. Lett. 53, 34 (1984) - Published 2 July, 1984

Statistical Scission Model of Fission-Fragment Angular Distributions

H. H. Rossner, J. R. Huizenga, and W. U. Schröder

Phys. Rev. Lett. 53, 38 (1984) - Published 2 July, 1984

Atoms and Molecules

Full Second-Order Distorted-Wave Calculation without Approximations for Atomic Excitation by Electron Impact

D. H. Madison

Phys. Rev. Lett. 53, 42 (1984) - Published 2 July, 1984

Double-Minimum $(2) {}^{1}{Σ_{u}}^{+}$ State of ${Na}_{2}$

J. Vergès, C. Effantin, J. d'Incan, D. L. Cooper, and R. F. Barrow

Phys. Rev. Lett. 53, 46 (1984) - Published 2 July, 1984

Classical Phenomenology and Applications

Externally Modulated Rayleigh-Bénard Convection: Experiment and Theory

Guenter Ahlers, P. C. Hohenberg, and M. Lücke

Phys. Rev. Lett. 53, 48 (1984) - Published 2 July, 1984

Condensed Matter: Structure, Etc.

Structural Energies in Stage-One Graphite Intercalation Compounds

D. P. DiVincenzo and E. J. Mele

Phys. Rev. Lett. 53, 52 (1984) - Published 2 July, 1984

Phonon Softening in a Mixed Layered System, $K_{1 - x} {Rb}_{x} C_{8}$

D. A. Neumann, H. Zabel, J. J. Rush, and N. Berk

Phys. Rev. Lett. 53, 56 (1984) - Published 2 July, 1984

Critical Behavior in Gels Saturated with Binary Liquid Mixtures

J. V. Maher, W. I. Goldburg, D. W. Pohl, and M. Lanz

Phys. Rev. Lett. 53, 60 (1984) - Published 2 July, 1984

Crystal Structure of Lithium at 4.2 K

A. W. Overhauser

Phys. Rev. Lett. 53, 64 (1984) - Published 2 July, 1984

Orientational Ordering in a Strongly Chemisorbed System: Na on Ru(001)

Dale L. Doering and Steve Semancik

Phys. Rev. Lett. 53, 66 (1984) - Published 2 July, 1984

Persistent-Current Experiments on Superfluid ${}^{3}{He}$ - $B$ and ${}^{3}{He}$ - $A$

J. P. Pekola, J. T. Simola, K. K. Nummila, O. V. Lounasmaa, and R. E. Packard

Phys. Rev. Lett. 53, 70 (1984) - Published 2 July, 1984

Lattice Site Location of Hydrogen by Use of Extended X-Ray Absorption Fine Structure

B. Lengeler

Phys. Rev. Lett. 53, 74 (1984) - Published 2 July, 1984

Condensed Matter: Electronic Properties, Etc.

Semiclassical Approach to the Scattering of Atomic Beams by a Corrugated Surface Potential: An Approximate Analytical Solution

Tsofar Maniv and Morrel H. Cohen

Phys. Rev. Lett. 53, 78 (1984) - Published 2 July, 1984

NMR Study of the Structure of Simple Molecules Adsorbed on Metal Surfaces: $C_{2}$ $H_{2}$ on Pt

Po-Kang Wang, Charles P. Slichter, and John H. Sinfelt

Phys. Rev. Lett. 53, 82 (1984) - Published 2 July, 1984

Optical Absorption in Polyacetylene: A Direct Measurement Using Photothermal Deflection Spectroscopy

B. R. Weinberger, C. B. Roxlo, S. Etemad, G. L. Baker, and J. Orenstein

Phys. Rev. Lett. 53, 86 (1984) - Published 2 July, 1984

Decoupling of Muonium in High Transverse Magnetic Fields

R. F. Kiefl, E. Holzschuh, H. Keller, W. Kündig, P. F. Meier, B. D. Patterson, J. W. Schneider, K. W. Blazey, S. L. Rudaz, and A. B. Denison

Phys. Rev. Lett. 53, 90 (1984) - Published 2 July, 1984

Hot-Electron Transport in Polymeric Dielectrics

P. Pfluger, H. R. Zeller, and J. Bernasconi

Phys. Rev. Lett. 53, 94 (1984) - Published 2 July, 1984

ESR in Situ with a Josephson Tunnel Junction

K. Baberschke, K. D. Bures, and S. E. Barnes

Phys. Rev. Lett. 53, 98 (1984) - Published 2 July, 1984

Origin of the Bohm-Aharonov Effect with Half Flux Quanta

John P. Carini, K. A. Muttalib, and Sidney R. Nagel

Phys. Rev. Lett. 53, 102 (1984) - Published 2 July, 1984

COMMENTS

Comment on "Coupling of Spin Waves with Zero Sound in Normal ${}^{3}{He}$ "

J. A. Sauls

Phys. Rev. Lett. 53, 106 (1984) - Published 2 July, 1984