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[en] In this paper an optimal state analysis of kaon-nucleon elastic scattering data is presented. It is shown that the optimal state prediction are experimentally satisfied to a surprising accuracy even for a single optimal state description of kaon-nucleon elastic scattering for laboratory momentum higher than 3 GeV/c. The optimal state analysis as an important alternative to the phase shift analysis is presented. (Author)
Journal
[en] Positivity of the imaginary part of the forward K-p elastic amplitude on the unphysical region allows the construction of a Stieltjes function H1(z) closely related to a discrepancy function Δ-(ω), evaluated from experimental data on the real and imaginary parts of the amplitude. A set of 159 data points, compatible with the positivity hypothesis, has been selected and all calculations and results are based on practically the whole set. (author)
Journal
No abstract available
Source
CEA, 75 - Paris (France); International Union of Pure and Applied Physics; 470 p; ISBN 2-7272-0061-7; 
; 1981; v. 5 p. 411; Commissariat a l'Energie Atomique; Paris, France; 17. International cosmic ray conference; Paris, France; 13 - 25 Jul 1981; Sold by Reidel, Dordrecht, Netherlands; Published in abstract form only.
; 1981; v. 5 p. 411; Commissariat a l'Energie Atomique; Paris, France; 17. International cosmic ray conference; Paris, France; 13 - 25 Jul 1981; Sold by Reidel, Dordrecht, Netherlands; Published in abstract form only.
[en] A new tabulation of kaon-proton total cross sections, with a treatment of data errors, which is particularly suitable in calculating with dispersion relations, is presented
Journal
Revista Brasileira de Fisica; ISSN 0374-4922; ; v. 8(1); p. 189-205
; v. 8(1); p. 189-205
[en] Stringent constraints on the positions of the zeros of the K- p forward scattering amplitude in the complex energy plane are obtained using only information on the modulus of the amplitude on its cuts, together with the requirement of positivity of the imaginary part of the amplitude in the physical region. (orig.)
Journal
Zeitschrift fuer Physik. C, Particles and Fields; ISSN 0170-9739; ; v. 15(2); p. 129-132
; v. 15(2); p. 129-132
[en] The cross section for the reaction K-n→antiKsup(*-)(892)Δ0(1232) at 8,25 GeV/c measured in the CERN 2m deuterium bubble chamber is found to be 9,6+-1μb. Comparing it to the cross-section of K+p→K+0Δ++ at 8,25 GeV/c, and more generally comparing the energy dependence of the two reactions, it is suggested that this data contradicts the hypothesis of weak exchange degeneracy and rather behaves following absorbed regge trajectory exchange as advocated by Kane and Seidl, although the observed K+ and K- ratio requires something more tha the π, rho and A2 trajectories exchange
Journal
Lettere al Nuovo Cimento; ISSN 0024-1318; ; v. 25(6); p. 185-189
; v. 25(6); p. 185-189
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