Volume 29, Issue 20

E. Lazarus, D. Andrews, K. Berkelman, G. Brown, D. G. Cassel, W. R. Francis, D. L. Hartill, J. L. Hartmann, R. M. Littauer, R. L. Loveless, R. C. Rohlfs, D. H. White, and A. J. Sadoff

Phys. Rev. Lett. 29, 1409 (1972) - Published 13 November, 1972

Measurement of the Charge Asymmetry in the Decay $K_{L}^{0} \to π^{\pm} μ^{\mp} ν$

R. Piccioni, R. Coombes, G. Donaldson, D. Dorfan, D. Fryberger, D. Hitlin, J. Liu, R. Messner, B. Meyer, D. Porat, A. Rothenberg, M. Schwartz, D. Uggla, and S. Wojcicki

Phys. Rev. Lett. 29, 1412 (1972) - Published 13 November, 1972

Comparison of Particle-Antiparticle Elastic Scattering from 3 to 6 $\frac{GeV}{c}$

I. Ambats, D. S. Ayres, R. Diebold, A. F. Greene, S. L. Kramer, A. Lesnik, D. R. Rust, C. E. W. Ward, A. B. Wicklund, and D. D. Yovanovitch

Phys. Rev. Lett. 29, 1415 (1972) - Published 13 November, 1972

$SU (3) \otimes SU (3)$ Algebra and the Cabibbo Angle

Vishnu S. Mathur

Phys. Rev. Lett. 29, 1419 (1972) - Published 13 November, 1972

Feynman-Kac Formula for Euclidean Fermi and Bose Fields

Konrad Osterwalder and Robert Schrader

Phys. Rev. Lett. 29, 1423 (1972) - Published 13 November, 1972

Measurement of the Asymmetry Parameter in the Photoproduction of $ϕ$ Mesons

H. J. Halpern, R. Prepost, D. H. Tompkins, R. L. Anderson, B. Gottschalk, D. B. Gustayson, D. M. Ritson, G. A. Weitsch, and B. H. Wiik

Phys. Rev. Lett. 29, 1425 (1972) - Published 13 November, 1972

ERRATA

Isomer Shifts of ${Fe}^{57}$ in ${Fe}_{2}$ $O_{3}$ and Rareearth Iron Garnets

R. R. Sharma and Ashok K. Sharma

Phys. Rev. Lett. 29, 1428 (1972) - Published 13 November, 1972

Practicable X-Ray Amplifier

R. A. McCorkle

Phys. Rev. Lett. 29, 1428 (1972) - Published 13 November, 1972

Physical Review Letters

Volume 29, Issue 20

LETTERS

Atoms, Molecules, and Related Topics

Simultaneous Coulomb Ejection of $K$ - and $L$ -Shell Electrons by Heavy, Charged Projectiles

Determination of the Electron Density Matrix from X-Ray Diffraction Data

Plasmas, Fluids, Thermodynamics, and Related Topics

Anisotropic Ultrasonic Properties of a Smectic Liquid Crystal

Solids

First X-Ray Diffraction Evidence for a Phase Transition during Shock-Wave Compression

In-Beam Measurements of the Nuclear Quadrupole Interaction in Cadmium Metal

Phonon Drag and the Low-Temperature Electrical Resistivity of the Alkali Metals: Potassium

Surface Phonons in the Oscillatory Photoconductivity of Zinc Oxide

Birefringence of SrTi $O_{3}$ Produced by the 105°K Structural Phase Transition

Two-Dimensional Character of the Conduction Bands of $d$ -Band Perovskites

Observation of a Frequency Dependence in the Conduction-Electron Spin Resonance of Al, Cu, and Ag, Interpreted as a New Many-Body Effect in Metals with $g$ Anisotropy

Theory of Many-Body Effects on Conduction-Electron Spin Resonance in a $g$ -Anisotropic Metal

Surfon—Mass-Defect Scattering

Disorder-Activated Acoustic Mode in Raman Spectrum of ${Ga}_{x} {Al}_{1 - x} As$

Spin-Orbit Splitting in Compositionally Disordered Semiconductors

Nuclei

Lifetime Effects in ( $p, 2 p$ ) Reactions

Energy-Dependent Two-Proton $t$ Matrix in ( $p, 2 p$ ) Reactions

Elementary Particles and Fields

Inclusive Proton Distributions in Electroproduction