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Measurements of e+e-→K+K-η, K+K-π0, and Ks0K±π∓ cross sections using initial state radiation events

Aubert, B. et al. (2008) Measurements of e+e-→K+K-η, K+K-π0, and Ks0K±π∓ cross sections using initial state radiation events. Physical Review D, 77 (9). 092002. ISSN 1550-7998

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Abstract

This paper reports measurements of processes: e+e-→γKS0K±π∓, e+e-→γK+K-π0, e+e-→γϕη, and e+e-→γϕπ0. The initial-state radiated photon allows to cover the hadronic final state in the energy range from thresholds up to ≈4.6 GeV. The overall size of the data sample analyzed is 232 fb-1, collected by the BABAR detector running at the PEP-II e+e- storage ring. From the Dalitz plot analysis of the KS0K±π∓ final state, moduli, and relative phase of the isoscalar and the isovector components of the e+e-→KK*(892) cross section are determined. Parameters of ϕ and ρ recurrences are also measured, using a global fitting procedure which exploits the interconnection among amplitudes, moduli, and phases of the e+e-→KS0K±π∓, K+K-π0, ϕη final states. The cross section for the OZI-forbidden process e+e-→ϕπ0, and the J/ψ branching fractions to KK*(892) and K+K-η are also measured.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 15 Dec 2011 12:27
Last Modified: 15 Dec 2011 12:27
URI: http://eprints.hud.ac.uk/id/eprint/12186

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