Study of the reaction: {pi}{sup -}p{yields}{eta}{pi}{sup +}{pi}{sup -}{pi}{sup -}p in E852 experiment
Journal Article
·
· AIP Conference Proceedings
The results of the Partial Wave Analysis of the reaction {pi}{sup -}p{yields}{eta}{pi}{sup +}{pi}{sup -}{pi}{sup -}p are presented. The analysis included study of f{sub 1}(1285){pi}{sup -}, a{sub 0}(980){rho}(770), a{sub 2}(1320){eta} and also {eta}{sup '}(985){pi}{sup -} channels. The dominant partial waves in f{sub 1}(1285){pi}{sup -} system are J{sup PC}=1{sup ++}, 1{sup -+} exotic wave and 2{sup -+}. The {eta}{sup '}(985){pi}{sup -} system is dominated by exotic J{sup PC}=1{sup -+} wave, peaking near 1.6 GeV. The intensity of 2{sup ++}{eta}{sup '}{pi}{sup -} wave shows clearly the a{sub 2}(1320) signal, and also some bump near 1.75 GeV. Both f{sub 1}(1285){pi}{sup -} and {eta}{sup '}{pi}{sup -} systems show the small signal from a{sub 4}(2030) meson in 4{sup ++} wave. The mass-dependent analysis is in progress.
- OSTI ID:
- 21199071
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 432; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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