Volume 54, Issue 8

D. A. Bauer, T. L. Graff, P. T. Lukens, J. R. Wilson, G. O. Alverson, G. Ascoli, V. E. Barnes, J. N. Bellinger, S. Cihangir, J. W. Cooper, C. Davis, A. F. Garfinkel, L. E. Holloway, Inga Karliner, T. B. W. Kirk, L. J. Koester, A. T. Laasanen, W.-G. Li, W. P. Oliver, S. H. Pordes, R. D. Sard, J. K. Simmons, R. K. Thornton, and A. A. Wehmann

Phys. Rev. Lett. 54, 753 (1985) - Published 25 February, 1985

pp and pp¯ elastic scattering at √s =0.55 to 40 TeV

Claude Bourrely, Jacques Soffer, and Tai Tsun Wu

Phys. Rev. Lett. 54, 757 (1985) - Published 25 February, 1985

Origin of elastic pp polarization at large angles

C. Bourrely and J. Soffer

Phys. Rev. Lett. 54, 760 (1985) - Published 25 February, 1985

Measurement of the total hadronic cross section in virtual photon-photon interactions

D. Bintinger et al.

Phys. Rev. Lett. 54, 763 (1985) - Published 25 February, 1985

Nuclear Physics

Axial currents in nuclei and the skyrmion size

Mannque Rho

Phys. Rev. Lett. 54, 767 (1985) - Published 25 February, 1985

Search for anomalous fragments in 1.8A-GeV ${}^{40}{Ar}$ reactions in nuclear emulsions

R. Bhanja et al.

Phys. Rev. Lett. 54, 771 (1985) - Published 25 February, 1985

Properties of the ${}^{208}{Po}$ ( $0^{+}$ ,T=22) double isobaric analog state

C. L. Morris, S. J. Greene, R. Gilman, H. T. Fortune, J. D. Zumbro, J. A. Faucett, G. R. Burleson, Kalvir S. Dhuga, Peter A. Seidl, Shaul Mordechai, and C. Fred Moore

Phys. Rev. Lett. 54, 775 (1985) - Published 25 February, 1985

Low-lying isovector collective states and the interacting-boson model

Takaharu Otsuka and Joseph N. Ginocchio

Phys. Rev. Lett. 54, 777 (1985) - Published 25 February, 1985

Atomic, Molecular, and Optical Physics

New atomic mechanism for positron production in heavy-ion collisions

W. Lichten and A. Robatino

Phys. Rev. Lett. 54, 781 (1985) - Published 25 February, 1985

Completely quantal treatment of the van der Waals forces between atoms: Application to positronium

J. R. Manson and R. H. Ritchie

Phys. Rev. Lett. 54, 785 (1985) - Published 25 February, 1985

Observation of the metastable negative argon ion ${Ar}^{-}$

Y. K. Bae, J. R. Peterson, A. S. Schlachter, and J. W. Stearns

Phys. Rev. Lett. 54, 789 (1985) - Published 25 February, 1985

Observation of high-angular-momentum Rydberg states of $H_{2}$ in a fast beam

W. G. Sturrus, P. E. Sobol, and S. R. Lundeen

Phys. Rev. Lett. 54, 792 (1985) - Published 25 February, 1985

Plasma and Beam Physics

Experiment with stored 0.7-MeV ions: Observation of stability properties of a nonthermal plasma

D. Al Salameh, S. Channon, B. R. Cheo, R. Leverton, B. C. Maglich, S. Menasian, R. A. Miller, J. Nering, and C. Y. Wu

Phys. Rev. Lett. 54, 796 (1985) - Published 25 February, 1985

Observation and analysis of maser activity in a tokamak plasma

R. F. Gandy, I. H. Hutchinson, and D. H. Yates

Phys. Rev. Lett. 54, 800 (1985) - Published 25 February, 1985

Nucleation of cavitons in strong langmuir turbulence

G. D. Doolen, D. F. DuBois, and Harvey A. Rose

Phys. Rev. Lett. 54, 804 (1985) - Published 25 February, 1985

Nonlinear driven reconnection in the reversed-field pinch

Tetsuya Sato and Kanya Kusano

Phys. Rev. Lett. 54, 808 (1985) - Published 25 February, 1985

Condensed Matter: Structure, Etc.

Pinned incommensurate structure of cesium intercalated graphite

M. J. Winokur and Roy Clarke

Phys. Rev. Lett. 54, 811 (1985) - Published 25 February, 1985

Dimer-plus-chain structure for the SI(100)-c(4×2) surface

John E. Northrup

Phys. Rev. Lett. 54, 815 (1985) - Published 25 February, 1985

Analysis of light-scattering measurements near a cloud point

Eleanor D. Siebert and Charles M. Knobler

Phys. Rev. Lett. 54, 819 (1985) - Published 25 February, 1985

Time-resolved nonlinear spectroscopy of a fermi doublet: The { $ν_{1}$ ,2 $ν_{2}$ } Fermi resonance in ${CO}_{2}$ solid

G. M. Gale, P. Guyot-Sionnest, W. Q. Zheng, and C. Flytzanis

Phys. Rev. Lett. 54, 823 (1985) - Published 25 February, 1985

Real-space determination of atomic structure and bond relaxation at the ${NiSi}_{2}$ -Si(111) interface

E. J. van Loenen, J. W. M. Frenken, J. F. van der Veen, and S. Valeri

Phys. Rev. Lett. 54, 827 (1985) - Published 25 February, 1985

Condensed Matter: Electronic Properties, Etc.

Critical localization in two-dimensional Landau quantization

Hideo Aoki and Tsuneya Ando

Phys. Rev. Lett. 54, 831 (1985) - Published 25 February, 1985

Nuclear Bragg diffraction of synchrotron radiation in yttrium iron garnet

E. Gerdau, R. Rüffer, H. Winkler, W. Tolksdorf, C. P. Klages, and J. P. Hannon

Phys. Rev. Lett. 54, 835 (1985) - Published 25 February, 1985

Absence of an intermediate phase for a general class of one-component ferromagnetic models

Michael Aizenman

Phys. Rev. Lett. 54, 839 (1985) - Published 25 February, 1985

Spin correlations in a concentrated metallic spin-glass

G. Aeppli, J. J. Hauser, G. Shirane, and Y. J. Uemura

Phys. Rev. Lett. 54, 843 (1985) - Published 25 February, 1985

COMMENTS

Comments on the convexity properties of the baryon spectrum

J. M. Richard and P. Taxil

Phys. Rev. Lett. 54, 847 (1985) - Published 25 February, 1985

Random-Alloy splitting of Cu levels in ${GaAs}_{1 - x}$ $P_{x}$

H. Mariette and A. A. Mbaye

Phys. Rev. Lett. 54, 848 (1985) - Published 25 February, 1985

Composition-dependence of deep impurity levels in alloys

Alex Zunger

Phys. Rev. Lett. 54, 849 (1985) - Published 25 February, 1985

Samuelson et al. respond

L. Samuelson, S. Nilsson, Z.-G. Wang, and H. G. Grimmeiss

Phys. Rev. Lett. 54, 850 (1985) - Published 25 February, 1985

Volume 54, Issue 8

Editorial

LETTERS

General Physics