Evidence for a{sub 0}(1450){yields}KK-bar in p-barp annihilation at rest
Journal Article
·
· AIP Conference Proceedings
- Universitaet Zuerich, CH-8057 Zuerich (Switzerland)
We present evidence for a{sub 0}(1450) decaying to KK-bar in p-barp annihilation at rest in liquid hydrogen in the final state K{sub L}K{sup {+-}}{pi}{sup {+-}}. This reaction is important for the study of the KK-bar decay mode of scalar resonances, in particular the isovectors a{sub 0}(980) and a{sub 0}(1450). The determination of the a{sub 0}(1450) production also fixes the KK-bar coupling of the isoscalar f{sub 0}(1500). We find B(p-barp{yields}a{sub 0}(1450){pi};a{sub 0}(1450){yields}KK-bar)=(8.88{+-}1.68){center_dot}10{sup -4} and hence B(p-barp{yields}f{sub 0}(1500){pi};f{sub 0}(1500){yields}KK-bar)=(4.52{+-}0.36){center_dot}10{sup -4}.
- OSTI ID:
- 21199146
- 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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