F Halzen, A Kumar, AD Martin, C Michael - Physics Letters B, 1970 - Elsevier
CERN, Geneva, Switzerland A i + mNBi = (sl "ai-~/2 1 m2)exp(ci u) ~5 Bi = ~: mi(ai +bi g2N/4n
2 = exp (c N raN)/67; mN~ N Page 1 Volume 32B, number 2 PHYSICS LETTERS 8June 1970 …