Volume 57, Issue 8

P. C. Petersen, A. Beretvas, T. Devlin, K. B. Luk, G. B. Thomson, R. Whitman, R. Handler, B. Lundberg, L. Pondrom, M. Sheaff, C. Wilkinson, P. Border, J. Dworkin, O. E. Overseth, R. Rameika, G. Valenti, K. Heller, and C. James

Phys. Rev. Lett. 57, 949 (1986) - Published 25 August, 1986

Hadron Spectroscopy in Lattice QCD with Dynamical Quark Loops

M. Fukugita, Y. Oyanagi, and A. Ukawa

Phys. Rev. Lett. 57, 953 (1986) - Published 25 August, 1986

Chiral Hierarchies and Flavor-Changing Neutral Currents in Hypercolor

Thomas Appelquist, Dimitra Karabali, and L. C. R. Wijewardhana

Phys. Rev. Lett. 57, 957 (1986) - Published 25 August, 1986

Large Muon- and Electron-Number Nonconservation in Supergravity Theories

Francesca Borzumati and Antonio Masiero

Phys. Rev. Lett. 57, 961 (1986) - Published 25 August, 1986

Nuclei

Atomic Effects in Low-Energy Beta Decay: The Case of Tritium

J. Lindhard and P. G. Hansen

Phys. Rev. Lett. 57, 965 (1986) - Published 25 August, 1986

Neutrinoless Double- $β$ Decay and Its Relation to Pion Double Charge Exchange

A. Fazely and L. C. Liu

Phys. Rev. Lett. 57, 968 (1986) - Published 25 August, 1986

Differential Cross Section for Coherent Photon Scattering from ${}^{4}{He}$ at 180 MeV

E. J. Austin, E. C. Booth, E. K. McIntyre, J. P. Miller, B. L. Roberts, D. A. Whitehouse, and G. Dodson

Phys. Rev. Lett. 57, 972 (1986) - Published 25 August, 1986

Atoms and Molecules

Photodissociation of Mass-Selected ${({CO}_{2})}_{n}^{-}$ Clusters: Evaporation Leading to Magic Numbers in Fragment-Ion Distributions

Michael L. Alexander, M. A. Johnson, Nancy E. Levinger, and W. C. Lineberger

Phys. Rev. Lett. 57, 976 (1986) - Published 25 August, 1986

Interfering Resonances: Avoided Crossings of Autoionizing States in Molecules

L. A. Collins, B. I. Schneider, C. J. Noble, C. W. McCurdy, and S. Yabushita

Phys. Rev. Lett. 57, 980 (1986) - Published 25 August, 1986

Molecular Description of Two-Electron Atoms

James M. Feagin and John S. Briggs

Phys. Rev. Lett. 57, 984 (1986) - Published 25 August, 1986

Many-Electron Effects in the Shape of the $Cl K α_{1, 2}$ X-Ray Emission Lines

J. Kawai, C. Satoko, K. Fujisawa, and Y. Gohshi

Phys. Rev. Lett. 57, 988 (1986) - Published 25 August, 1986

Observation of Strong Forward-Backward Asymmetries in Electron Emission from Overlapping Resonance States Produced by Transfer Excitation in 2.5-3.5-MeV $C^{3 +}$ +He Collisions

Y. Yamazaki, P. D. Miller, H. F. Krause, P. L. Pepmiller, S. Datz, I. A. Sellin, and N. Stolterfoht

Phys. Rev. Lett. 57, 992 (1986) - Published 25 August, 1986

Fundamental Phenomenology and Applications

Hydrodynamic Dispersion in Network Models of Porous Media

Lucilla de Arcangelis, Joel Koplik, Sidney Redner, and David Wilkinson

Phys. Rev. Lett. 57, 996 (1986) - Published 25 August, 1986

Multiple-Scattering Noise in One Dimension: Universality through Localization-Length Scaling

Ping Sheng, Zhao-Qing Zhang, Benjamin White, and George Papanicolaou

Phys. Rev. Lett. 57, 1000 (1986) - Published 25 August, 1986

Divergence Measurements of Soft—X-Ray Laser Beam

S. Suckewer, C. H. Skinner, D. Kim, E. Valeo, D. Voorhees, and A. Wouters

Phys. Rev. Lett. 57, 1004 (1986) - Published 25 August, 1986

Fluids, Plasmas, and Electric Discharges

Small-Scale Plasma-Density Depletions in Arecibo High-Frequency Modification Experiments

W. Birkmayer, T. Hagfors, and W. Kofman

Phys. Rev. Lett. 57, 1008 (1986) - Published 25 August, 1986

Condensed Matter: Structure, Etc.

Multicriticality in Hexatic Liquid Crystals

Ammon Aharony, R. J. Birgeneau, J. D. Brock, and J. D. Litster

Phys. Rev. Lett. 57, 1012 (1986) - Published 25 August, 1986

Growth Probability Distribution in Kinetic Aggregation Processes

C. Amitrano, A. Coniglio, and F. di Liberto

Phys. Rev. Lett. 57, 1016 (1986) - Published 25 August, 1986

New Reconstructions on Silicon (111) Surfaces

R. S. Becker, J. A. Golovchenko, G. S. Higashi, and B. S. Swartzentruber

Phys. Rev. Lett. 57, 1020 (1986) - Published 25 August, 1986

Evidence for a Relationship between the Anisotropy of Surface Energy and Surface Reconstruction: Comparison of Pt(110) and Cu(110)

H. P. Bonzel, N. Freyer, and E. Preuss

Phys. Rev. Lett. 57, 1024 (1986) - Published 25 August, 1986

Observation of a Textural Transformation Associated with the $A_{2}$ Transition in Superfluid ${}^{3}{He} - A$

P. G. N. de Vegvar, R. Movshovich, E. L. Ziercher, and D. M. Lee

Phys. Rev. Lett. 57, 1028 (1986) - Published 25 August, 1986

Reentrant Superfluidity in Highly Polarized Liquid ${}^{3}{He}$

G. Frossati, K. S. Bedell, S. A. J. Wiegers, and G. A. Vermeulen

Phys. Rev. Lett. 57, 1032 (1986) - Published 25 August, 1986

Critical Dielectric Behavior of Micellar Water below the Cloud point of a Water-Oil Microemulsion

Peter Marquardt and Günter Nimtz

Phys. Rev. Lett. 57, 1036 (1986) - Published 25 August, 1986

Experimental Identification of Charge Relaxation Rates in Intermediate-Valence Compounds by Phonon Spectroscopy

R. Mock, E. Zirngiebl, B. Hillebrands, G. Güntherodt, and F. Holtzberg

Phys. Rev. Lett. 57, 1040 (1986) - Published 25 August, 1986

Domain-Wall Interactions and Spatially Modulated Phases

Anthony M. Szpilka and Michael E. Fisher

Phys. Rev. Lett. 57, 1044 (1986) - Published 25 August, 1986

Condensed Matter: Electronic Properties, Etc.

Dyon Analogs in Antiferromagnetic Chains

Ian Affleck

Phys. Rev. Lett. 57, 1048 (1986) - Published 25 August, 1986

Size Effects of Electrical Breakdown in Quenched random Media

P. M. Duxbury, P. D. Beale, and P. L. Leath

Phys. Rev. Lett. 57, 1052 (1986) - Published 25 August, 1986

Anomalous Hall Effect below the Magnetic-Field-Induced Metal-Insulator Transition in Narrow-Gap Semiconductors

V. J. Goldman, M. Shayegan, and H. D. Drew

Phys. Rev. Lett. 57, 1056 (1986) - Published 25 August, 1986

Frequency Locking, Quasiperiodicity, and Chaos in Extrinsic Ge

E. G. Gwinn and R. M. Westervelt

Phys. Rev. Lett. 57, 1060 (1986) - Published 25 August, 1986

Observation of Final-State Screening in Inverse Photoemission from Adsorbed Xenon Layers

K. Horn, K. H. Frank, J. A. Wilder, and B. Reihl

Phys. Rev. Lett. 57, 1064 (1986) - Published 25 August, 1986

Characterization of Copper (100) Surfaces by Isolated Indium Probe Atoms via the Electric Field Gradient

T. Klas, J. Voigt, W. Keppner, R. Wesche, and G. Schatz

Phys. Rev. Lett. 57, 1068 (1986) - Published 25 August, 1986

Modification of the Fermi-Surface Instability in U ${Pt}_{3}$ by Th Substitution

A. P. Ramirez, B. Batlogg, E. Bucher, and A. S. Cooper

Phys. Rev. Lett. 57, 1072 (1986) - Published 25 August, 1986

Calculated Photoemission Spectra of Na

Kenneth W. -K. Shung and G. D. Mahan

Phys. Rev. Lett. 57, 1076 (1986) - Published 25 August, 1986

Interface-State Measurements at Schottky Contacts: A New Admittance Technique

J. Werner, K. Ploog, and H. J. Queisser

Phys. Rev. Lett. 57, 1080 (1986) - Published 25 August, 1986

Electron-Electron Scattering in Nondegenerate Semiconductors: Driving the Anisotropic Distribution toward a Displaced Maxwellian

Ned S. Wingreen, Christopher J. Stanton, and John W. Wilkins

Phys. Rev. Lett. 57, 1084 (1986) - Published 25 August, 1986

COMMENTS

Comment on "gravitomagnetic pole and mass quantization"

Sriram Ramaswamy and Amitabha Sen

Phys. Rev. Lett. 57, 1088 (1986) - Published 25 August, 1986

Comment on "Gravitomagnetic Pole and Mass Quantization"

J. Samuel and B. R. Iyer

Phys. Rev. Lett. 57, 1089 (1986) - Published 25 August, 1986