Volume 51, Issue 17

W. Spreng, F. Azgui, H. Emling, E. Grosse, R. Kulessa, Ch. Michel, D. Schwalm, R. S. Simon, H. J. Wollersheim, M. Mutterer, J. P. Theobald, M. S. Moore, N. Trautmann, J. L. Egido, and P. Ring

Phys. Rev. Lett. 51, 1522 (1983) - Published 24 October, 1983

Fine Structure and Spin Excitations in the Giant Resonance Region of ${}^{90}{Zr}$

S. K. Nanda, C. Glashausser, K. W. Jones, J. A. McGill, T. A. Carey, J. B. McClelland, J. M. Moss, S. J. Seestrom-Morris, H. Ohnuma, M. Franey, M. Gazzaly, and N. Hintz

Phys. Rev. Lett. 51, 1526 (1983) - Published 24 October, 1983

Isospin Dependence of Pion Absorption by Light Nuclei

H. Yokota, K. Nakayama, K. Ichimaru, Y. Takahata, F. Suekane, R. Chiba, K. Nakai, E. Arai, H. En'yo, S. Sasaki, T. Nagae, and M. Sekimoto

Phys. Rev. Lett. 51, 1530 (1983) - Published 24 October, 1983

Volume Conservation in the Nilsson Model and Effective Many-Body Forces

E. R. Marshalek

Phys. Rev. Lett. 51, 1534 (1983) - Published 24 October, 1983

Atoms and Molecules

Experimental Investigation of Small Helium Clusters: Magic Numbers and the Onset of Condensation

Peter W. Stephens and John G. King

Phys. Rev. Lett. 51, 1538 (1983) - Published 24 October, 1983

Multiple-Ionization Mechanisms in Fast Proton-Neon Collisions

Steven T. Manson, R. D. DuBois, and L. H. Toburen

Phys. Rev. Lett. 51, 1542 (1983) - Published 24 October, 1983

High-Resolution Electron Spectroscopy of Laser-Excited Ba Rydberg Atoms

H. Rinneberg, J. Neukammer, U. Majewski, and G. Schönhense

Phys. Rev. Lett. 51, 1546 (1983) - Published 24 October, 1983

Classical Phenomenology and Applications

Optical Bistability and Mirror Confinement Induced by Radiation Pressure

A. Dorsel, J. D. McCullen, P. Meystre, E. Vignes, and H. Walther

Phys. Rev. Lett. 51, 1550 (1983) - Published 24 October, 1983

Fluids, Plasmas, and Electric Discharges

Nonlinear Competition between Stimulated Brillouin-Scattered Light Waves in Plasmas

R. L. Berger

Phys. Rev. Lett. 51, 1554 (1983) - Published 24 October, 1983

Finite-Pressure-Gradient Influences on Ideal Spheromak Equilibrium

G. W. Hart, C. Chin-Fatt, A. W. DeSilva, G. C. Goldenbaum, R. Hess, and R. S. Shaw

Phys. Rev. Lett. 51, 1558 (1983) - Published 24 October, 1983

Anode-Plasma Expansion in Pinch-Reflex Diodes

D. G. Colombant and Shyke A. Goldstein

Phys. Rev. Lett. 51, 1562 (1983) - Published 24 October, 1983

Condensed Matter: Structure, Etc.

Tunneling Systems in Amorphous Germanium

J. E. Graebner and L. C. Allen

Phys. Rev. Lett. 51, 1566 (1983) - Published 24 October, 1983

Adsorption Sites of Oxygen on Cu(001) and Ni(001) Determined from the Shape of the Low-Energy Electron-Diffraction Spots

Hilmar Richter and Ulrich Gerhardt

Phys. Rev. Lett. 51, 1570 (1983) - Published 24 October, 1983

Molar Volume Dependence of Static Magnetization and Ordering Temperature in bcc Solid ${}^{3}{He}$

T. Hata, S. Yamasaki, M. Taneda, T. Kodama, and T. Shigi

Phys. Rev. Lett. 51, 1573 (1983) - Published 24 October, 1983

Dynamics of Two-Dimensional Ordering of an Overlayer with Fourfold-Degenerate Ground State: $W (110) p (2 \times 1) - O$

P. K. Wu, J. H. Perepezko, J. T. McKinney, and M. G. Lagally

Phys. Rev. Lett. 51, 1577 (1983) - Published 24 October, 1983

Computer Simulation of Dislocationlike Motion in a Lennard-Jones Amorphous Solid

L. T. Shi and P. Chaudhari

Phys. Rev. Lett. 51, 1581 (1983) - Published 24 October, 1983

Direct Evidence for Amorphization of Pure Gallium by Low-Temperature Ion Irradiation

M. Holz, P. Ziemann, and W. Buckel

Phys. Rev. Lett. 51, 1584 (1983) - Published 24 October, 1983

Condensed Matter: Electronic Properties, Etc.

Recombination Enhancement due to Carrier Localization in Quantum Well Structures

E. O. Göbel, H. Jung, J. Kuhl, and K. Ploog

Phys. Rev. Lett. 51, 1588 (1983) - Published 24 October, 1983

Evidence for Tunneling of Charge-Density Waves in Ta $S_{3}$

J. H. Miller, Jr., J. Richard, J. R. Tucker, and John Bardeen

Phys. Rev. Lett. 51, 1592 (1983) - Published 24 October, 1983

$v$ -Representability and Density Functional Theory

W. Kohn

Phys. Rev. Lett. 51, 1596 (1983) - Published 24 October, 1983

COMMENTS

Comment on "Is Proton Decay Measurable? "

G. Peter Lepage, Tung-Mow Yan, and Donald R. Yennie

Phys. Rev. Lett. 51, 1599 (1983) - Published 24 October, 1983

Nuclear Proton Decay

Kevin Cahill

Phys. Rev. Lett. 51, 1600 (1983) - Published 24 October, 1983

Comment on "Is Proton Decay Measurable? "

John Wheater and Rudolf Peierls

Phys. Rev. Lett. 51, 1601 (1983) - Published 24 October, 1983

Horwitz and Katznelson Respond

L. P. Horwitz and E. Katznelson

Phys. Rev. Lett. 51, 1602 (1983) - Published 24 October, 1983

ERRATA

X-Ray Diffraction Study of Electronic Transitions in Cesium Under High Pressure.

K. Takemura, S. Minomura, and O. Shimomura

Phys. Rev. Lett. 51, 1603 (1983) - Published 24 October, 1983

Faddeev-Popov Zeros and Confinement of Color in a Hyperspherical Gauge Model.

R. E. Cutkosky

Phys. Rev. Lett. 51, 1603 (1983) - Published 24 October, 1983

Contractive States and the Standard Quantum Limit for Monitoring Freemass Positions.

Horace P. Yuen

Phys. Rev. Lett. 51, 1603 (1983) - Published 24 October, 1983