Volume 173, Issue 5

B. G. Reynolds, J. D. Kimel, J. R. Albright, R. H. Bradley, E. B. Brucker, W. C. Harrison, B. C. Harms, J. E. Lannutti, W. H. Sims, and R. P. Wieckowicz

Phys. Rev. 173, 1403 (1968) - Published 25 September, 1968

Experimental Upper Limit on the Magnetic Monopole Moment of Electrons, Protons, and Neutrons, Utilizing a Superconducting Quantum Interferometer

Lorin L. Vant-Hull

Phys. Rev. 173, 1412 (1968) - Published 25 September, 1968

Inelastic Electron Scattering in the Symmetric Quark Model. II. Coulomb Potential

N. S. Thornber

Phys. Rev. 173, 1414 (1968) - Published 25 September, 1968

Theory of Currents, $σ$ Model, and the Spherical Top in the Internal Space

H. Sugawara and M. Yoshimura

Phys. Rev. 173, 1419 (1968) - Published 25 September, 1968

Invariant Amplitudes for Photon Processes

W. A. Bardeen and Wu-Ki Tung

Phys. Rev. 173, 1423 (1968) - Published 25 September, 1968

Pomeranchuk Theorem for Partial Waves and Narrowing of Resonance Widths: The $ϱ$ Meson

Bipin R. Desai and David T. Gregorich

Phys. Rev. 173, 1434 (1968) - Published 25 September, 1968

Unitarity and the Mandelstam Representation. II. Large-Angular-Momentum Partial-Wave Amplitudes

Arthur W. Martin

Phys. Rev. 173, 1439 (1968) - Published 25 September, 1968

Study of the $Λ - N$ System in Low-Energy $Λ - p$ Elastic Scattering

G. Alexander, U. Karshon, A. Shapira, G. Yekutieli, R. Engelmann, H. Filthuth, and W. Lughofer

Phys. Rev. 173, 1452 (1968) - Published 25 September, 1968

Strongly Decaying Particles and Relativistic Invariance

François Lurçat

Phys. Rev. 173, 1461 (1968) - Published 25 September, 1968

Analytic Continuation of Divergent Integrals with Respect to a Parameter—The Case of Perturbations to Strong Interactions

Mahiko Suzuki

Phys. Rev. 173, 1473 (1968) - Published 25 September, 1968

Possible Weak Interaction of Photons and Emission of Neutrinos from Stars

Pratul Bandyopadhyay

Phys. Rev. 173, 1481 (1968) - Published 25 September, 1968

Low-Energy—Theorem Approach to Single-Particle Singularities in the Presence of Massless Bosons

R. Jackiw and L. Soloviev

Phys. Rev. 173, 1485 (1968) - Published 25 September, 1968

Unitarity Corrections to Pole Dominance in Spectral-Function Sum Rules

W. S. Lam and K. Raman

Phys. Rev. 173, 1497 (1968) - Published 25 September, 1968

Soft Photons and the Classical Limit

Lowell S. Brown and Robert L. Goble

Phys. Rev. 173, 1505 (1968) - Published 25 September, 1968

Statistical Model for High-Energy Reactions

L. L. Foldy, H. Kottler, D. R. Speiser, and J. Weyers

Phys. Rev. 173, 1517 (1968) - Published 25 September, 1968

Field-Current Identities and Nucleon Radii

M. A. B. Bég, J. Bernstein, and M. Tausner

Phys. Rev. 173, 1523 (1968) - Published 25 September, 1968

Coherent Soft-Photon States and Infrared Divergences. II. Mass-Shell Singularities of Green's Functions

T. W. B. Kibble

Phys. Rev. 173, 1527 (1968) - Published 25 September, 1968

Sources and Magnetic Charge

Julian Schwinger

Phys. Rev. 173, 1536 (1968) - Published 25 September, 1968

Extracting the Phase of Scattering Amplitudes by Means of the Glauber Formula

J. C. Vander Velde

Phys. Rev. 173, 1544 (1968) - Published 25 September, 1968

Current Algebra, Crossing Symmetry, and Unitarity for $s$ -Wave $π π$ Scattering

K. Datta, K. C. Gupta, and V. S. Varma

Phys. Rev. 173, 1549 (1968) - Published 25 September, 1968

Broken-Symmetry Model of Meson Interactions

L. A. Copley, D. K. Elias, and D. Masson

Phys. Rev. 173, 1552 (1968) - Published 25 September, 1968

$T = 0$ , $J = 0$ Pion-Pion Interaction

G. W. Ellison and S. Humble

Phys. Rev. 173, 1563 (1968) - Published 25 September, 1968

Analytic Properties of Current-Algebra Vertex Functions

Myron Bander

Phys. Rev. 173, 1568 (1968) - Published 25 September, 1968

Polarization in $π^{-} p \to η n$ , the Double-Pole $A_{2}$ , and a Possible Pion Conspirator

D. M. Austin, J. V. Beaupre, and K. E. Lassila

Phys. Rev. 173, 1573 (1968) - Published 25 September, 1968

Asymptotic Behavior of Form Factors for Some Composite Models

M. Ciafaloni and P. Menotti

Phys. Rev. 173, 1575 (1968) - Published 25 September, 1968

Radiative Pion Capture and the Pion-Nucleus Vertex Function

David Griffiths and C. W. Kim

Phys. Rev. 173, 1584 (1968) - Published 25 September, 1968

Some Remarks about Dynamical Asymmetry

A. Pais

Phys. Rev. 173, 1587 (1968) - Published 25 September, 1968

Asymptotic Behavior of Amplitudes for Meson Photoproduction

H. G. Dosch

Phys. Rev. 173, 1595 (1968) - Published 25 September, 1968

Multiple Scattering in the Quark Model

David R. Harrington and Antonio Pagnamenta

Phys. Rev. 173, 1599 (1968) - Published 25 September, 1968

$O (4)$ Symmetry in Feynman Amplitudes

Yoichi Iwasaki

Phys. Rev. 173, 1608 (1968) - Published 25 September, 1968

Rescattering Model Applied to $Y^{*}$ Production

C. P. Singh and B. K. Agarwal

Phys. Rev. 173, 1611 (1968) - Published 25 September, 1968

Generalized Superperturbation Theory for Scattering

Rabinder N. Madan

Phys. Rev. 173, 1615 (1968) - Published 25 September, 1968

Lorentz Invariance, Local Field Theory, and Faster-than-Light Particles

M. E. Arons and E. C. G. Sudarshan

Phys. Rev. 173, 1622 (1968) - Published 25 September, 1968

Anomalous Nuclear Photoproduction of $φ$ Mesons

J. S. Trefil

Phys. Rev. 173, 1629 (1968) - Published 25 September, 1968

Current Commutators and Electromagnetic Mass Differences

John M. Cornwall and Richard E. Norton

Phys. Rev. 173, 1637 (1968) - Published 25 September, 1968

Equal-Mass Conspiracy Relations as the Limit of the Unequal-Mass Case

John D. Stack

Phys. Rev. 173, 1644 (1968) - Published 25 September, 1968

Elastic Scattering from Deuterium

Jon Pumplin

Phys. Rev. 173, 1651 (1968) - Published 25 September, 1968

Elastic Unitarity and Phase Equality of Scattering Amplitudes

A. Giovannini, E. Predazzi, and F. Selleri

Phys. Rev. 173, 1660 (1968) - Published 25 September, 1968

Double Bootstrap of the $ϱ$ and $f^{0}$

Allen E. Everett

Phys. Rev. 173, 1663 (1968) - Published 25 September, 1968

Anomalous Magnetic Moment of the $A_{1}$

V. S. Mathur and R. N. Mohapatra

Phys. Rev. 173, 1668 (1968) - Published 25 September, 1968

$S$ -Matrix Approach to Internal Symmetries. II

S. M. Roy

Phys. Rev. 173, 1671 (1968) - Published 25 September, 1968

Relativistic Particle-Antiparticle Stationary States in a Model Quantum Field Theory: Mesons from Quarks

Gerald Rosen

Phys. Rev. 173, 1680 (1968) - Published 25 September, 1968

Kinematic Singularities and Constraints of Helicity Amplitudes

T. L. Trueman

Phys. Rev. 173, 1684 (1968) - Published 25 September, 1968

High-Energy Multiple Scattering for Large Angles

D. K. Ross

Phys. Rev. 173, 1695 (1968) - Published 25 September, 1968

Watson's Theorem When There Are Three Strongly Interacting Particles in the Final State

I. J. R. Aitchison and C. Kacser

Phys. Rev. 173, 1700 (1968) - Published 25 September, 1968

Threshold Electropion Production from Current Algebra and Partially Conserved Axial-Vector Current

A. M. Gleeson, M. G. Gundzik, and Jacob G. Kuriyan

Phys. Rev. 173, 1708 (1968) - Published 25 September, 1968

Regge Behavior and the Cerulus-Martin Lower Bound of High-Energy Scattering

Tetsuo Sawada

Phys. Rev. 173, 1716 (1968) - Published 25 September, 1968

Harmonic-Oscillator Model for Baryons

David Faiman and Archibald W. Hendry

Phys. Rev. 173, 1720 (1968) - Published 25 September, 1968

Models of Weak Interactions Mediated by Vector Bosons

G. Segrè

Phys. Rev. 173, 1730 (1968) - Published 25 September, 1968

Covariant $M$ Functions for Higher Spin

M. D. Scadron and H. F. Jones

Phys. Rev. 173, 1734 (1968) - Published 25 September, 1968

Three-Particle Final States in the Quark Model

Sutapa Das Gupta

Phys. Rev. 173, 1745 (1968) - Published 25 September, 1968

Ratio of Axial-Vector to Vector Contributions in $K \to l ν γ$ Decay

A. Q. Sarker

Phys. Rev. 173, 1749 (1968) - Published 25 September, 1968

$K_{l 3}$ Form Factors in Current Algebra with Hard Pion and Kaon

Riazuddin and A. Q. Sarker

Phys. Rev. 173, 1752 (1968) - Published 25 September, 1968

Structure-Dependent Axial-Vector Form Factor in Charged-Pion Radiative Decay

J. S. Vaishya

Phys. Rev. 173, 1757 (1968) - Published 25 September, 1968

Sum Rules for Meson-Baryon Scattering from Asymptotic Symmetry Requirements

V. P. Seth, B. K. Agarwal, and Y. M. Gupta

Phys. Rev. 173, 1759 (1968) - Published 25 September, 1968

Baryon Resonances and Regge Trajectories

Richard M. Spector

Phys. Rev. 173, 1761 (1968) - Published 25 September, 1968

Two-Pole Model for the $η_{3 π}$ Decays

Suk Koo Yun

Phys. Rev. 173, 1764 (1968) - Published 25 September, 1968

Study of $π N$ and $KN$ Elastic and Inelastic Scatterings and Their Polarizations by a Multiple-Regge-Pole Model

Fei S. Chen-Cheung and Timothy Roth

Phys. Rev. 173, 1768 (1968) - Published 25 September, 1968

Parameters of Low-Energy $Λ - K^{0}$ Production

J. Edwin Rush, Jr.

Phys. Rev. 173, 1776 (1968) - Published 25 September, 1968

Rate of $A_{1} \to ϱ π$ from Asymptotic Chiral Symmetry

A. Zee

Phys. Rev. 173, 1788 (1968) - Published 25 September, 1968

Scattering Model with Crossing Symmetry and Minimal Inelastic Effects

Franklin F. K. Cheung and John S. Toll

Phys. Rev. 173, 1791 (1968) - Published 25 September, 1968

COMMENTS

Note on Nonlinear Realizations of Chiral Symmetry

William Sollfrey

Phys. Rev. 173, 1805 (1968) - Published 25 September, 1968

ERRATA

Application of $ξ$ -Limiting Process to Intermediate Bosons

T. D. Lee

Phys. Rev. 173, 1806 (1968) - Published 25 September, 1968

Reggeization of External Particles

M. L. Thiebaux

Phys. Rev. 173, 1806 (1968) - Published 25 September, 1968