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Analysis of the K/sup 0//sub S/K/sup 0//sub S/ system produced in the reaction. pi. /sup -/p. -->. K/sup 0//sub S/K/sup 0//sub S/n at 40 GeV/c

Journal Article · · Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:7104423
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We are presenting results of the amplitude analysis of the K/sup 0//sub S/K/sup 0//sub S/ system produced in the reaction ..pi../sup -/p..-->..K/sup 0//sub S/K/sup 0//sub S/n at the incident ..pi../sup -/ meson momentum 40 GeV/c. The behavior of the D/sub 0/ wave in the effective-mass region M/sub K//sub <0/K/sup =/<1.6 GeV is satisfactorily described by a superposion of f and f' mesons. We obtained an indication of the existence of an additional relatively narrow (GAMMA--50 MeV) 2/sup + +/ state with the mass 1.322 +- 0.007 GeV; however, the statistics is not sufficient: its production cross section is 2.9 +- 1.6 nb. The data confirm the splitting in the S-wave of the broad Epsilon(1300) resonance into a pair of narrower peaks in the 0/sup + +/ state with masses 1.26 and 1.42 GeV as was observed previously (A. Etkin et al., Phys. Rev. D 25, 1786 (1982); A. Etkin et al., Phys. Rev. D 25, 2446 (1982)).
Research Organization:
Institute of Theoretical and Experimental Physics, State Commission on Use of Atomic Energy
OSTI ID:
7104423
Journal Information:
Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 43:6; ISSN SJNCA
Country of Publication:
United States
Language:
English

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Related Subjects

645103* -- High Energy Physics-- Particle Interactions &amp; Properties-Experimental-- Strong Interactions &amp; Baryon &amp; Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BOSONS
CROSS SECTIONS
D WAVES
ELEMENTARY PARTICLES
ENERGY RANGE
F-1260 RESONANCES
F-1514 RESONANCES
FERMIONS
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
KAONS
KAONS NEUTRAL
KAONS NEUTRAL SHORT-LIVED
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NEUTRONS
NUCLEONS
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
S WAVES
STRANGE MESONS
STRANGE PARTICLES