Volume 50, Issue 11

P. H. Hansen, J. R. O'Fallon, G. T. Danby, Y. Y. Lee, L. G. Ratner, D. C. Peaslee, A. Perlmutter, P. R. Cameron, D. G. Crabb, M. Fujisaki, M. E. Hejazifar, A. D. Krisch, A. M. T. Lin, S. L. Linn, T. Shima, and K. M. Terwilliger

Phys. Rev. Lett. 50, 802 (1983) - Published 14 March, 1983

Measurement of the Leptonic Branching Ratios of the $ϒ (1 S)$ , $ϒ (2 S)$ , and $ϒ (3 S)$

D. Andrews et al.

Phys. Rev. Lett. 50, 807 (1983) - Published 14 March, 1983

New Tests for Quark and Lepton Substructure

Estia J. Eichten, Kenneth D. Lane, and Michael E. Peskin

Phys. Rev. Lett. 50, 811 (1983) - Published 14 March, 1983

Nuclei

( $p, Δ^{+ +}$ ) Reaction on Nuclei

B. K. Jain

Phys. Rev. Lett. 50, 815 (1983) - Published 14 March, 1983

Experimental Signatures of Quasifission Reactions

B. B. Back, R. R. Betts, K. Cassidy, B. G. Glagola, J. E. Gindler, L. E. Glendenin, and B. D. Wilkins

Phys. Rev. Lett. 50, 818 (1983) - Published 14 March, 1983

Identification of $E 2$ Strength Distribution in ${}^{65}{Cu}$ by the ( $e, p_{0}$ ) Reaction

Haruhisa Miyase, Hiroaki Tsubota, Yoshiyuki Kawazoe, and Tatsuo Tsukamoto

Phys. Rev. Lett. 50, 821 (1983) - Published 14 March, 1983

Atoms and Molecules

Alignment in Molecular Excitation for 3.22-keV $H_{2}^{+}$ -He Collisions

D. H. Jaecks, O. Yenen, M. Natarajan, and D. Mueller

Phys. Rev. Lett. 50, 825 (1983) - Published 14 March, 1983

Precise Measurements of Hyperfine Structure in the $2 {}^{3}P$ State of ${}^{3}{He}$

J. D. Prestage, E. A. Hinds, and F. M. J. Pichanick

Phys. Rev. Lett. 50, 828 (1983) - Published 14 March, 1983

High-Precision Spectroscopic Studies of Lyman $α$ Lines of Hydrogenlike Iron: A Measurement of the $1 s$ Lamb Shift

J. P. Briand, M. Tavernier, P. Indelicato, R. Marrus, and H. Gould

Phys. Rev. Lett. 50, 832 (1983) - Published 14 March, 1983

Fluids, Plasmas, and Electric Discharges

Cross-Field Ion Transport and Heating Due to Parametric Decay of Lower Hybrid Waves

R. McWilliams, D. N. Hill, N. S. Wolf, and N. Rynn

Phys. Rev. Lett. 50, 836 (1983) - Published 14 March, 1983

Condensed Matter: Structure, Etc.

Mean-Field Theory for Diffusion-Limited Cluster Formation

M. Muthukumar

Phys. Rev. Lett. 50, 839 (1983) - Published 14 March, 1983

X-Ray Measurement of the Coupling between Static and Thermal Displacements around Hydrogen in Niobium

T. H. Metzger, H. Behr, G. Steyrer, and J. Peisl

Phys. Rev. Lett. 50, 843 (1983) - Published 14 March, 1983

Rotational Phase Transition and Melting in a Two-Dimensional Hard-Cyclic-Tetramer System

A. C. Brańka and K. W. Wojciechowski

Phys. Rev. Lett. 50, 846 (1983) - Published 14 March, 1983

Observation of Bands of Faces on Incommensurate ${Rb}_{2}$ Zn ${Br}_{4}$ Single Crystals

B. Dam, A. Janner, P. Bennema, W. H. v. d. Linden, and Th. Rasing

Phys. Rev. Lett. 50, 849 (1983) - Published 14 March, 1983

Condensed Matter: Electronic Properties, Etc.

Electronic Raman Scattering by Superconducting-Gap Excitations in ${Nb}_{3}$ Sn and $V_{3}$ Si

S. B. Dierker, M. V. Klein, G. W. Webb, and Z. Fisk

Phys. Rev. Lett. 50, 853 (1983) - Published 14 March, 1983

Chaotic Noise Observed in a Resistively Shunted Self-Resonant Josephson Tunnel Junction

Robert F. Miracky, John Clarke, and Roger H. Koch

Phys. Rev. Lett. 50, 856 (1983) - Published 14 March, 1983

Dynamic Recovery of Magnetism in Collision Cascades: Mn $F_{2}$

H. H. Bertschat, H. Haas, M. Menningen, and K. Bonde Nielsen

Phys. Rev. Lett. 50, 860 (1983) - Published 14 March, 1983

COMMENTS

Comment on "Evidence for Two States of Chemisorbed Oxygen on Ni(100)"

C. W. Bauschlicher, Jr., S. P. Walch, P. S. Bagus, and C. R. Brundle

Phys. Rev. Lett. 50, 864 (1983) - Published 14 March, 1983

Polarons in a Diatomic Polymer

David K. Campbell

Phys. Rev. Lett. 50, 865 (1983) - Published 14 March, 1983

Comment on "Two-Dimensional Magnetotransport in the Extreme Quantum Limit"

Yoshio Kuramoto

Phys. Rev. Lett. 50, 866 (1983) - Published 14 March, 1983

Physical Review Letters