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AbstractAbstract
[en] It is shown that the absence of anisotropies in the Adair distributions for the reaction K-p→X0 Λ at 1.75 GeV/c) (cos THETA sub (c.m.) > 0.6) does not imply pseudoscalarity of the X (958)-meson. Furthermore, an indication of the opposite character of the anisotropies at 1.75 GeV/c (cos THETA sub(c.m.)> 0.6) compared to those at 2.18 GeV/c(cos THETAsub(c.m.>0.98) is interpreted as a new argument in favour of the spin-2 X0-meson assignment. More pronounced anisotropies at 1.75 GeV/c can be expected in the interval 0.4 < approximately cos THETA sub(c.m.) < approximately 0.8. The joint distribution of all the X0-meson and LAMBDA-decay characteristics has been obtained; the likelihood analysis of this distribution, instead of the one-dimensional Adair analysis, is suggested
Primary Subject
Source
1975; 22 p; 17 refs.; 2 figs.; submitted to the journal Nucl. Phys.
Record Type
Report
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Country of publication
ANGULAR MOMENTUM, ANTIKAONS, ANTIMATTER, ANTIMESONS, ANTIPARTICLES, BARYONS, BOSONS, ELEMENTARY PARTICLES, ENERGY RANGE, FERMIONS, GEV RANGE, HADRON-HADRON INTERACTIONS, HADRONS, HYPERONS, INTERACTIONS, KAON-NUCLEON INTERACTIONS, KAONS, MATTER, MESON-BARYON INTERACTIONS, MESON-NUCLEON INTERACTIONS, MESONS, PARTICLE INTERACTIONS, PARTICLE PROPERTIES, PSEUDOSCALAR ANTIMESONS, PSEUDOSCALAR MESONS, STRANGE PARTICLES, XI PARTICLES
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