Volume 23, Issue 1

Jerome S. Danburg, Donald W. Davies, Orin I. Dahl, Paul L. Hoch, Janos Kirz, Donald H. Miller, Robert K. Rader, Maris A. Abolins, Thalis Delikaris, and Gerald A. Smith

Phys. Rev. Lett. 23, 41 (1969) - Published 7 July, 1969

Observation of $A_{1}^{+, 0}$ Production in $K^{+} p$ Interactions at 12.7 GeV/c

J. C. Berlinghieri, M. S. Farber, T. Ferbel, R. Holmes, P. F. Slattery, S. Stone, and H. Yuta

Phys. Rev. Lett. 23, 42 (1969) - Published 7 July, 1969

Coherent Photoproduction of the $η^{0}$ Meson from Deuterium

R. L. Anderson and R. Prepost

Phys. Rev. Lett. 23, 46 (1969) - Published 7 July, 1969

Cross Section for $π^{-} p \to Λ K^{0}$ : Structure Near $Σ$ Threshold

O. Van Dyck, R. Blumenthal, S. Frankel, V. Highland, J. Nagy, T. Sloan, M. Takats, W. Wales, and R. Werbeck

Phys. Rev. Lett. 23, 50 (1969) - Published 7 July, 1969

Relativistic Eikonal Expansion

Henry D. I. Abarbanel and Claude Itzykson

Phys. Rev. Lett. 23, 53 (1969) - Published 7 July, 1969

Partial-Width Formulation of Unitarity Sum Rules for $K_{L} - K_{S}$ Decay

K. W. McVoy

Phys. Rev. Lett. 23, 56 (1969) - Published 7 July, 1969

$S$ -Matrix Description of $K_{L}$ and $K_{S}$ Decays

Loyal Durand, III and Kirk W. McVoy

Phys. Rev. Lett. 23, 59 (1969) - Published 7 July, 1969

ERRATA

Scattering Model of Molecular Electronic Structure

Franklin C. Smith, Jr. and Keith H. Johnson

Phys. Rev. Lett. 23, 62 (1969) - Published 7 July, 1969

Experimental Value of $Δ E_{H} - S_{H}$ in Hydrogen

T. W. Shyn, W. L. Williams, R. T. Robiscoe, and T. Rebane

Phys. Rev. Lett. 23, 62 (1969) - Published 7 July, 1969

Physical Review Letters

Volume 23, Issue 1

LETTERS

Interference Between Coherent Emissions in the Measurement of Atomic Lifetimes

Dominant Influence of Electron Inertia on Ion Cyclotron-Wave Generation in Plasma

Magnetic Field Dependence of Laser Emission in ${Pb}_{1 - X} {Sn}_{X} Se$ Diodes

Suppression of the Nuclear Heat Capacity in Bismuth Metal by Very Slow Spin-Lattice Relaxation, and a New Value for the Electronic Specific Heat

Quantum Effects in Cyclotron Resonance in $p$ -Type Tellurium

Nonanalytic Behavior Above the Critical Point in a Random Ising Ferromagnet

Proton Strength Functions for Sn and the Optical Model Below the Coulomb Barrier

Elastic and Inelastic Proton Scattering from ${}^{40}{Ca}$ and Two-Particle, One-Hole States in ${}^{41}{Sc}$

Parity-Forbidden Alpha Decay of Some $O^{16}$ Levels

Absorption of $K^{-}$ Mesons in Nuclear Surfaces

Phase Conspiracy in Unoccupied Hartree-Fock Orbitals

180° Electron Scattering from ${}^{3}{He}$ and ${}^{4}{He}$ at 56 MeV

Possibility of Matter-Antimatter Separation at High Temperature

Evidence Against an $I = \frac{5}{2}$ Baryon Resonance of Mass 1640 MeV/ $c^{2}$