Volume 56, Issue 17

G. J. Kim, S. D. Adrian, J. Arends, W. J. Briscoe, A. D. Eichon, J. Engelage, S. Graessle, B. M. K. Nefkens, Y. Ohashi, M. E. Sadler, C. J. Seftor, D. I. Sober, M. Taragin, and H. J. Ziock

Phys. Rev. Lett. 56, 1779 (1986) - Published 28 April, 1986

Nuclei

Gamma Decay of Isovector Giant Resonances Built on Highly Excited States in ${}^{111}{Sn}$

J. J. Gaardhøje, C. Ellegaard, B. Herskind, R. M. Diamond, M. A. Deleplanque, G. Dines, A. O. Macchiavelli, and F. S. Stephens

Phys. Rev. Lett. 56, 1783 (1986) - Published 28 April, 1986

Periodic Orbits of the Time-Dependent Hartree-Fock Equations

Ph. Chomaz, H. Flocard, and D. Vautherin

Phys. Rev. Lett. 56, 1787 (1986) - Published 28 April, 1986

Chemical Dependence of Low-Energy Beta Decays as a Contribution to Resolution of the ${}^{241}{Pu}$ Half-Life Anomaly

M. R. Harston and N. C. Pyper

Phys. Rev. Lett. 56, 1790 (1986) - Published 28 April, 1986

Fundamental Phenomenology and Applications

Effects of Finite Geometry on the Wave Number of Taylor-Vortex Flow

Richard Heinrichs, Guenter Ahlers, and David S. Cannell

Phys. Rev. Lett. 56, 1794 (1986) - Published 28 April, 1986

Light-Pressure Cooling of a Crystal

Juha Javanainen

Phys. Rev. Lett. 56, 1798 (1986) - Published 28 April, 1986

Nonsteady End Effects in Hele-Shaw Cells

J. N. Koster, P. Ehrhard, and U. Müller

Phys. Rev. Lett. 56, 1802 (1986) - Published 28 April, 1986

High-Gain, Long-Pulse Free-Electron-Laser Oscillator

J. Mathew and J. A. Pasour

Phys. Rev. Lett. 56, 1805 (1986) - Published 28 April, 1986

Rayleigh Scattering and Weak Localization

Michael J. Stephen

Phys. Rev. Lett. 56, 1809 (1986) - Published 28 April, 1986

Control of Phase Matching and Nonlinear Generation in Dense Media by Resonant Fields

Surya P. Tewari and G. S. Agarwal

Phys. Rev. Lett. 56, 1811 (1986) - Published 28 April, 1986

Fluids, Plasmas, and Electric Discharges

Control of Radial Potential Profile and Nonambipolar ion Transport in an Electron Cyclotron Resonance Mirror Plasma

A. Tsushima, T. Mieno, M. Oertl, R. Hatakeyama, and N. Sato

Phys. Rev. Lett. 56, 1815 (1986) - Published 28 April, 1986

Condensed Matter: Structure, Etc.

Consequences of Bond-Orientational Order on the Macroscopic Orientation Patterns of Thin Tilted Hexatic Liquid-Crystal Films

S. B. Dierker, R. Pindak, and R. B. Meyer

Phys. Rev. Lett. 56, 1819 (1986) - Published 28 April, 1986

Interpenetrating Incommensurately Modulated Lattices with Icosahedral Symmetry

Richard D. Spal

Phys. Rev. Lett. 56, 1823 (1986) - Published 28 April, 1986

Icosahedral-Phase Formation by Solid-State Interdiffusion

D. M. Follstaedt and J. A. Knapp

Phys. Rev. Lett. 56, 1827 (1986) - Published 28 April, 1986

Effect of Surface Ionization on Wetting Layers

R. F. Kayser

Phys. Rev. Lett. 56, 1831 (1986) - Published 28 April, 1986

Structural Study of Low-Temperature-Implanted Ni and Pd Hydrides

X. W. Lin, M. O. Ruault, A. Traverse, J. Chamont, M. Salomé, and H. Bernas

Phys. Rev. Lett. 56, 1835 (1986) - Published 28 April, 1986

Diffusion to Finite-Size Traps

Peter M. Richards

Phys. Rev. Lett. 56, 1838 (1986) - Published 28 April, 1986

Condensed Matter: Electronic Properties, Etc.

Observation of Long-Wavelength Interface Phonons in a GaAs/AlGaAs Superlattice

Ph. Lambin, J. P. Vigneron, A. A. Lucas, P. A. Thiry, M. Liehr, J. J. Pireaux, R. Caudano, and T. J. Kuech

Phys. Rev. Lett. 56, 1842 (1986) - Published 28 April, 1986

Resonant Interaction of Plasmons and Intersubband Resonances in a Two-Dimensional Electron System

S. Oelting, D. Heitmann, and J. P. Kotthaus

Phys. Rev. Lett. 56, 1846 (1986) - Published 28 April, 1986

Observation of the Triplet Excited State of a Conjugated-Polymer Crystal

L. Robins, Joseph Orenstein, and R. Superfine

Phys. Rev. Lett. 56, 1850 (1986) - Published 28 April, 1986

NMR Evidence of the Fröhlich Mode in ${Rb}_{0.30}$ Mo $O_{3}$

P. Ségransan, A. Jánossy, C. Berthier, J. Marcus, and P. Butaud

Phys. Rev. Lett. 56, 1854 (1986) - Published 28 April, 1986

Quasi One-Dimensional Conduction in Multiple, Parallel Inversion Lines

A. C. Warren, D. A. Antoniadis, and Henry I. Smith

Phys. Rev. Lett. 56, 1858 (1986) - Published 28 April, 1986

Evidence of Intrinsic Extended $π$ -Bonding Band and Metalliclike Behavior in Undoped and Doped Electropolymerized Poly (3-methylthiophene) Films

Y. Jugnet, G. Tourillon, and Tran Minh Duc

Phys. Rev. Lett. 56, 1862 (1986) - Published 28 April, 1986

Spin-Lattice Relaxation of Very Pure Solid $o - D_{2}$

A. Honig, M. Lewis, Z. -Z. Yu, and S. Yucel

Phys. Rev. Lett. 56, 1866 (1986) - Published 28 April, 1986

Ultrasonic Attenuation in Clean Anisotropic Superconductors

S. N. Coppersmith and R. A. Klemm

Phys. Rev. Lett. 56, 1870 (1986) - Published 28 April, 1986

Geophysics, Astronomy, and Astrophysics

Half-Life of ${}^{80}{Zn}$ : The First Measurement for an $r$ -Process Waiting-Point Nucleus

R. L. Gill, R. F. Casten, D. D. Warner, A. Piotrowski, H. Mach, John C. Hill, F. K. Wohn, J. A. Winger, and R. Moreh

Phys. Rev. Lett. 56, 1874 (1986) - Published 28 April, 1986

Two-Point Correlation for Rich Clusters of Galaxies

S. Otto, H. David Politzer, and Mark B. Wise

Phys. Rev. Lett. 56, 1878 (1986) - Published 28 April, 1986

COMMENTS

Comment on "Predicting the Proton Mass from $π π$ Scattering Data"

Phys. Rev. Lett. 56, 1882 (1986) - Published 28 April, 1986

ERRATA

Cosmic Quarkonium: A Probe of Dark Matter.

Mark Srednicki, Stefan Theisen, and Joseph Silk

Phys. Rev. Lett. 56, 1883 (1986) - Published 28 April, 1986

Precise Determination of ${sin}^{2} θ_{W}$ from Measurements of the Differential Cross Sections for $ν {}_{μ}p \to ν {}_{μ}p$ and $\bar{ν} {}_{μ}p \to \bar{ν} {}_{μ}p$ .

K. Abe et al.

Phys. Rev. Lett. 56, 1883 (1986) - Published 28 April, 1986