Abstract
Regge-pole residues and trajectories have been extracted at fixed- t values in the range 0 ⩾ t ⩾ −1.0 ( GeV/c) 2 by simultaneously fitting CMSR and measured data on all two-body K(K)N → K(K)N processes for laboratory momenta between 1.5 GeV/ c and 280 GeV/ c. A good fit to all the data and CMSR is possible provided that an f′ is introduced in the vacuum quantum number exchange amplitude. This explains the possible violation of duality previously seen in this amplitude. Particular attention is paid to the problem of ϱ- A 2 exchange degeneracy and the role of their secondary trajectories, both in the CMSR and for the line-reversal breaking observed in KN charge exchange.
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