Volume 44, Issue 1

M. B. Epstein, D. J. Margaziotis, J. Simone, D. K. Hasell, B. K. S. Koene, B. T. Murdoch, W. T. H. van Oers, J. M. Cameron, L. G. Greeniaus, G. A. Moss, J. G. Rogers, and A. W. Stetz

Phys. Rev. Lett. 44, 20 (1980) - Published 7 January, 1980

Time-Dependent Hartree-Fock Fusion Calculations for ${}^{86}{Kr}$ + ${}^{139}{La}$ and ${}^{84}{Kr}$ + ${}^{209}{Bi}$ Collisions

K. T. R. Davies, K. R. Sandhya Devi, and M. R. Strayer

Phys. Rev. Lett. 44, 23 (1980) - Published 7 January, 1980

Fusion Doorway States in the ${}^{12}C$ + ${}^{12}C$ System

R. H. Lemmer and C. Toepffer

Phys. Rev. Lett. 44, 26 (1980) - Published 7 January, 1980

Atoms and Molecules

$L$ -Shell Contributions to Multiple Ionization of ${Ar}^{i +}$ Ions ( $i = 1, 2, 3$ ) by Electron Impact

Alfred Müller and Reinhard Frodl

Phys. Rev. Lett. 44, 29 (1980) - Published 7 January, 1980

Condensed Matter: Structure, Etc.

Tkachenko Waves in Rotating Superfluid Helium

C. D. Andereck, J. Chalups, and W. I. Glaberson

Phys. Rev. Lett. 44, 33 (1980) - Published 7 January, 1980

Observation of Surface Phonons on Ni(111) by Electron Energy-Loss Spectroscopy

H. Ibach and D. Bruchmann

Phys. Rev. Lett. 44, 36 (1980) - Published 7 January, 1980

Condensed Matter: Electronic Properties, Etc.

Quantum Localization in Amorphous W-Re Alloys

P. Chaudhari and H. -U. Habermeier

Phys. Rev. Lett. 44, 40 (1980) - Published 7 January, 1980

Electronic Structure of Hydrogenated Amorphous Silicon

Douglas C. Allan and J. D. Joannopoulos

Phys. Rev. Lett. 44, 43 (1980) - Published 7 January, 1980

Resolution of Shubnikov-de Haas Paradoxes in Si Inversion Layers

B. Vinter and A. W. Overhauser

Phys. Rev. Lett. 44, 47 (1980) - Published 7 January, 1980

Role of Clusters in the Approach to Localization of Josephson-Coupled Granular Lead Films

A. F. Hebard and J. M. Vandenberg

Phys. Rev. Lett. 44, 50 (1980) - Published 7 January, 1980

ERRATA

Giant Dipole Resonance in ${}^{4}{He}$ with Noncentral Forces and Target Recoil Corrections.

Dean Halderson and R. J. Philpott

Phys. Rev. Lett. 44, 54 (1980) - Published 7 January, 1980

Low-Energy Pion Production at 0° with Heavy Ions from 125 to 400 MeV/Nucleon.

W. Benenson, G. Bertsch, G. M. Crawley, E. Kashy, J. A. Nolen, Jr., H. Bowman, J. G. Ingersoll, J. O. Rasmussen, J. Sullivan, M. Koike, M. Sasao, J. Péter, and T. E. Ward

Phys. Rev. Lett. 44, 54 (1980) - Published 7 January, 1980

Physical Review Letters

Volume 44, Issue 1

LETTERS

General Physics

Adiabatic and Isothermal Order-Parameter Susceptibilities and the Thermal Diffusion Mode

Elementary Particles and Fields

Remarks on the Differing Lifetimes of Charmed Mesons

Mechanism for the Difference in Lifetimes of Charged and Neutral $D$ Mesons

Observation of Charmed-Baryon Production in $e^{+} e^{-}$ Annihilation

Nuclei

Strong Tensor Term in the Optical Potential for 20-MeV Deuteron Scattering from ${}^{4}{He}$

Effects of Collectivity on Target-Fragmentation Reactions

Comparison of the Reaction ${}^{4}{He} (p, 2 p) {}^{3}H$ at Intermediate Energies with the Distorted-Wave Impulse Approximation