Volume 166, Issue 5

L. J. Lanzerotti, R. B. Blumenthal, D. C. Ehn, W. L. Faissler, P. M. Joseph, F. M. Pipkin, J. K. Randolph, J. J. Russell, D. G. Stairs, and J. Tenenbaum

Phys. Rev. 166, 1365 (1968) - Published 25 February, 1968

Measurement of the Muon Decay Spectrum with a Wire Spark-Chamber Spectrometer

David Fryberger

Phys. Rev. 166, 1379 (1968) - Published 25 February, 1968

Search for Fractionally Charged Particles

E. H. Bellamy, R. Hofstadter, W. L. Lakin, M. L. Perl, and W. T. Toner

Phys. Rev. 166, 1391 (1968) - Published 25 February, 1968

Resonances Produced in the Reaction $π^{-} p \to π^{-} π^{-} π^{+} p$ at 8 GeV/c

J. W. Lamsa, N. M. Cason, N. N. Biswas, I. Derado, T. H. Groves, V. P. Kenney, J. A. Poirier, and W. D. Shephard

Phys. Rev. 166, 1395 (1968) - Published 25 February, 1968

Peripheral Dipion Production by Pions of 12 and 18 GeV/c

Lawrence W. Jones, E. Bleuler, D. O. Caldwell, B. Elsner, D. Harting, W. C. Middelkoop, and B. Zacharov

Phys. Rev. 166, 1405 (1968) - Published 25 February, 1968

Four- and Five-Body Final States from 3-GeV/c $π^{-} p$ Interactions

A. W. Key, J. D. Prentice, N. R. Steenberg, E. West, T. S. Yoon, W. A. Cooper, W. Manner, L. Voyvodic, and W. D. Walker

Phys. Rev. 166, 1430 (1968) - Published 25 February, 1968

Scattering of $π^{-}$ Mesons in the Momentum Range 875-1579 MeV/c from a Polarized Proton Target

P. J. Duke, D. P. Jones, M. A. R. Kemp, P. G. Murphy, J. J. Thresher, H. H. Atkinson, C. R. Cox, and K. S. Heard

Phys. Rev. 166, 1448 (1968) - Published 25 February, 1968

Study of $π^{-} p \to ω n, φ n$ at 2.10 BeV/c

J. H. Boyd, A. R. Erwin, W. D. Walker, and E. West

Phys. Rev. 166, 1458 (1968) - Published 25 February, 1968

$K^{+}$ -Meson Production in $p - p$ Collisions at 2.5-3.0 GeV

W. J. Hogan, P. A. Piroué, and A. J. S. Smith

Phys. Rev. 166, 1472 (1968) - Published 25 February, 1968

Particle Yields at the Stanford Linear Accelerator Center and the Photon-Nucleus Interaction in the 5—18-GeV Region

Stanley M. Flatté, Joseph J. Murray, Paul R. Klein, Lawrence H. Johnston, and Stanley G. Wojcicki

Phys. Rev. 166, 1482 (1968) - Published 25 February, 1968

Reflection of Electrons by Standing Light Waves: Experimental Study

L. S. Bartell, R. R. Roskos, and H. Bradford Thompson

Phys. Rev. 166, 1494 (1968) - Published 25 February, 1968

Gauge Transformations in the $S$ -Matrix Theory

I. Bialynicki-Birula

Phys. Rev. 166, 1505 (1968) - Published 25 February, 1968

Phenomenological Lagrangian for Field Algebra, Hard Pions, and Radiative Corrections

Benjamin W. Lee and H. T. Nieh

Phys. Rev. 166, 1507 (1968) - Published 25 February, 1968

Daughter Regge Trajectories in the Van Hove Model

R. L. Sugar and J. D. Sullivan

Phys. Rev. 166, 1515 (1968) - Published 25 February, 1968

Absorption in High-Energy Photoproduction

D. K. Ross

Phys. Rev. 166, 1521 (1968) - Published 25 February, 1968

Reggeized $π ρ$ Mass Enhancement in the $A_{1}$ Region

Edmond L. Berger

Phys. Rev. 166, 1525 (1968) - Published 25 February, 1968

Fermion Trajectory Parametrization and Superconvergence

R. Ramachandran

Phys. Rev. 166, 1528 (1968) - Published 25 February, 1968

Generalized Potential for the Pion-Nucleon System

Kashyap V. Vasavada and Pran Nath

Phys. Rev. 166, 1532 (1968) - Published 25 February, 1968

Dynamics Based on Rising Regge Trajectories

Stanley Mandelstam

Phys. Rev. 166, 1539 (1968) - Published 25 February, 1968

Furry's Theorem and Interference of Electrodynamic Amplitudes

G. Reading Henry

Phys. Rev. 166, 1553 (1968) - Published 25 February, 1968

Low-Energy Nucleon Compton Scattering

R. Köberle

Phys. Rev. 166, 1558 (1968) - Published 25 February, 1968

Nonlinear Realizations of Chiral Symmetry

Steven Weinberg

Phys. Rev. 166, 1568 (1968) - Published 25 February, 1968

Test of Time-Reversal Invariance in the Decay Process $K^{+} \to μ^{+} + ν + e^{+} + e^{-}$

W. T. Chu, T. Ebata, and David M. Scott

Phys. Rev. 166, 1577 (1968) - Published 25 February, 1968

Width $Γ_{X^{0} \to 2 γ}$ as a Test of the Mass Formula for Boson Nonets

F. Guerra, F. Vanoli, G. De Franceschi, and V. Silvestrini

Phys. Rev. 166, 1587 (1968) - Published 25 February, 1968

Corrections to Muonic X Rays and a Possible Proton Halo

Roger C. Barrett, Stanley J. Brodsky, Glen W. Erickson, and Michael H. Goldhaber

Phys. Rev. 166, 1589 (1968) - Published 25 February, 1968

Conspiracy and Evasion: Property of Regge Poles

Elliot Leader

Phys. Rev. 166, 1599 (1968) - Published 25 February, 1968

Regge-Pole Couplings to Nucleons in a Field-Theory Model

Arthur R. Swift

Phys. Rev. 166, 1621 (1968) - Published 25 February, 1968

$C$ -Conserving Decay Modes $η \to π^{0} e^{+} e^{-}$ and $η \to π^{0} μ^{+} μ^{-}$

J. Smith

Phys. Rev. 166, 1629 (1968) - Published 25 February, 1968

Rising Meson Trajectories

G. Epstein and P. Kaus

Phys. Rev. 166, 1633 (1968) - Published 25 February, 1968

Long-Range Forces from Neutrino-Pair Exchange

G. Feinberg and J. Sucher

Phys. Rev. 166, 1638 (1968) - Published 25 February, 1968

Method of Hyperquantization. I

Yasushi Takahashi

Phys. Rev. 166, 1645 (1968) - Published 25 February, 1968

Maximum Number of Collisions for Three Point Particles

Gary Doolen

Phys. Rev. 166, 1651 (1968) - Published 25 February, 1968

Absorption Model and $U (6, 6)$ for the Reactions $p \bar{p} \to Y \bar{Y}$

J. H. R. Migneron and H. D. D. Watson

Phys. Rev. 166, 1654 (1968) - Published 25 February, 1968

Superconvergence Relations and the Quark Model

Donald E. Neville

Phys. Rev. 166, 1665 (1968) - Published 25 February, 1968

Representations of the Lie Group of Strong-Coupling Theory and the Procedure of Contraction

S. M. Vaidya

Phys. Rev. 166, 1676 (1968) - Published 25 February, 1968

Regge-Pole Exchange and Direct-Channel Resonances in Models for High-Energy Scattering Amplitudes

Loyal Durand, III

Phys. Rev. 166, 1680 (1968) - Published 25 February, 1968

Cluster Property and Bounds on the Scattering Amplitude

S. W. MacDowell, R. Roskies, and B. Schroer

Phys. Rev. 166, 1691 (1968) - Published 25 February, 1968

Analyticity in Momentum Transfer without Strict Locality

S. W. MacDowell and R. Roskies

Phys. Rev. 166, 1703 (1968) - Published 25 February, 1968

Comments on Levinson's Theorem

Philip W. Coulter, Ramesh C. Garg, and Gordon Shaw

Phys. Rev. 166, 1708 (1968) - Published 25 February, 1968

New Approach to Relativistic Off-Shell Dynamics

E. A. Remler

Phys. Rev. 166, 1710 (1968) - Published 25 February, 1968

Correspondence between Unstable Particles and Poles in $S$ -Matrix Theory

G. Calucci, L. Fonda, and G. C. Ghirardi

Phys. Rev. 166, 1719 (1968) - Published 25 February, 1968

Construction of Solutions to Superconvergence Relations

D. Atkinson and M. B. Halpern

Phys. Rev. 166, 1724 (1968) - Published 25 February, 1968

Subtracted Dispersion Relations and On-Mass-Shell Current Algebra: Pseudoscalar-Meson—Baryon Scattering Length

A. De Rújula, M. Mateev, and M. Świecki

Phys. Rev. 166, 1727 (1968) - Published 25 February, 1968

Phenomenological Analysis of $I = \frac{1}{2}$ Single-Pion Production Processes in the Energy Range 500 to 700 MeV

D. Morgan

Phys. Rev. 166, 1731 (1968) - Published 25 February, 1968

Algebraic Solution in the $V - θ$ Sector of the Lee Model

M. Bolsterli

Phys. Rev. 166, 1760 (1968) - Published 25 February, 1968

Finite-Energy Sum Rules and Their Application to $π N$ Charge Exchange

R. Dolen, D. Horn, and C. Schmid

Phys. Rev. 166, 1768 (1968) - Published 25 February, 1968

Asymptotic $SU (3)$ , Spectral-Function Sum Rules, and the Decay of the Axial-Vector Mesons

P. P. Divakaran and L. K. Pandit

Phys. Rev. 166, 1782 (1968) - Published 25 February, 1968

Low-Energy Theorems for Photon Processes

Korkut Bardakci and Heinz Pagels

Phys. Rev. 166, 1783 (1968) - Published 25 February, 1968

Does the Electromagnetic Current Have an $I = 2$ Component?

P. P. Divakaran, V. Gupta, and G. Rajasekaran

Phys. Rev. 166, 1792 (1968) - Published 25 February, 1968

Approach to Equal-Time Commutators in Quantum Field Theory

Richard A. Brandt

Phys. Rev. 166, 1795 (1968) - Published 25 February, 1968

Superconvergence Sum Rules for Meson-Meson Scattering

J. S. Vaishya

Phys. Rev. 166, 1822 (1968) - Published 25 February, 1968

Corrections to $ρ$ Dominance and Pole Dominance of the Divergence of the Axial-Vector Current

C. Michael

Phys. Rev. 166, 1826 (1968) - Published 25 February, 1968

Existence of Production Amplitudes for a Neutral Scalar Field without Pairing Symmetry

Franklin F. K. Cheung

Phys. Rev. 166, 1828 (1968) - Published 25 February, 1968

Gribov-Pomeranchuk Phenomenon in $\frac{N}{D}$ Approach

G. C. Joshi and R. Ramachandran

Phys. Rev. 166, 1832 (1968) - Published 25 February, 1968

Nonforward $N π$ Superconvergence Relations

R. J. Rivers

Phys. Rev. 166, 1841 (1968) - Published 25 February, 1968

Regge Branch Points and the Reactions $π^{-} p \to K^{+} Σ^{-}$ and $K^{-} p \to π^{+} Σ^{-}$

Ronald Elbert Mickens

Phys. Rev. 166, 1844 (1968) - Published 25 February, 1968

Regge-Pole Model with $L - S$ Coupling

M. Barmawi

Phys. Rev. 166, 1846 (1968) - Published 25 February, 1968

Application of a Regge-Pole Model to the Reactions $π^{-} p \to π^{0} n$ , $π^{-} p \to η n$ , and $π^{+} n \to ω p$

M. Barmawi

Phys. Rev. 166, 1857 (1968) - Published 25 February, 1968

Volume 166, Issue 5

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