ERRATA A.C. Davis, W.N. Cottingham and J.W. Alcock, A unitary calculation of particle exchange in KN scattering and composite resonances, Nucl. Phys. B l 11 (1976) 233. (i) For e exchange, the formula for the A amplitude (page 240) should read A --d e t/4 p ( ~ x ( t ) ) [ s - u
+ V/m~_ a(t)
2;o
J
(ii) The change of variable on page 250 should read x =
2/J2 - 1. sk - ( M + m ) 2 +U 2
(iii) The formula on page 25 l which relates the coefficients of the Chebyshev polynomials should read
a,, = bn + ~
Cnm (1 + G , o ) a , , ,
,
where 6nm is the Kronecker function.
J. Frenkel and J.C. Taylor, Asymptotic freedom in the axial and Coulomb gauges, Nucl. Phys. B109 (1976) 439. We have been informed that many of our results for the Coulomb gauge were obtained earlier, see I.B. Khriplovich, Yad. Fiz. 10 (1969) 409 (Soy. J. Nucl. Phys. 10 (1970) 235) and A.M. Altukhov and I.B. Khriplovich, Yad. Fiz. 11 (1970) 902 (Soy. J. Nucl. Phys. 11 (1970) 504).