The differential and channel cross sections have been measured for the reactions K L 0 p → K S 0 p and K L 0 p → Λ 0 π + in nine energy intervals in the c.m. range 1605 to 1910 MeV. The regeneration reaction is a combination of the KN amplitudes (with I = 0 and 1) and the K N amplitude ( I = 1) and is very sensitive to the various KN phase-shift solutions, some of which show an exotic I = 0, P 1 resonance. Our results have been expressed in terms of frequency distributions and cross sections, normalised by the Λ 0 π + reaction. These results have been compared with the predictions of various partial-wave analyses. Qualitatively we can eliminate the P 1 non-resonant solution, though no solution correctly predicts our results.
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Experimental details and channel cross sections are presented for five K − deuterium bubble chamber experiments. Utilising the Fermi motion of the neutron the K − n cross sections are extracted over the c.m. energy range 1750–2200 MeV and where possible results are compared to related channels from other experiments.
CHANNEL CROSS SECTIONS FOR EACH OF THE FIVE EXPERIMENTS - NEUTRON MOTION WITHIN THE DEUTERON MEANS EACH DOES NOT CORRESPOND TO A UNIQUE C.M. ENERGY. CORRECTED FOR GLAUBER SCREENING.
FERMI MOTION OF NEUTRON USED TO EXTRACT ENERGY DEPENDENCE.
FERMI MOTION OF NEUTRON USED TO EXTRACT ENERGY DEPENDENCE.
New bubble chamber data on the reactions K − n → π 0 Σ 0 in the c.m. energy range 1750–2200 MeV are presented and are compared with the predictions of the most recent partial-wave analysis of the reaction K N → πΣ . The comparison stresses the need for data involving a single value of isotopic spin in the study of this reaction. An analysis of the new data yields two satisfactory solutions involving only well established resonances.
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FERMI MOTION OF NEUTRON USED TO EXTRACT ENERGY DEPENDENCE.
NORMALIZED LEGENDRE COEFFICIENTS OF CROSS SECTION ANGULAR DISTRIBUTION.