Amplitude anaysis of the K{sub S}{sup 0}K{sub S}{sup 0} system produced by 40-GeV/c pions incident on carbon
Journal Article
·
· Physics of Atomic Nuclei
OSTI ID:81237
- Institute of Theoretical and Experimental Physics, Moscow (Russian Federation)
Amplitude analysis of the K{sub S}{sup 0}K{sub S}{sup 0} system is performed using a sample of 15,184 events of quasi-elastic K{sub S}{sup 0}-meson pair production by 40-GeV/c {pi}{sup {minus}} mesons incident on carbon nuclei. Model-dependent analysis of the observed set of partial waves demonstrates their complex structure. In the S and D{sub 0} waves, evidence for the existence of previously unknown states is obtained. In the S wave, a complex structure is revealed in the vicinity of the f{sub 0}(1400) resonance. To describe this structure, it is necessary to introduce two resonances with masses near 1370 and 1500 MeV that decay predominantly into K{bar K}. 13 refs., 12 figs., 4 tabs.
- OSTI ID:
- 81237
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 1 Vol. 58; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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