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arxiv: hep-ph/0211457 · v2 · submitted 2002-11-29 · ✦ hep-ph

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Covariant tensor formalism for partial wave analyses of psi decay to mesons

B.S.Zou (IHEP , Beijing) , D.V.Bugg (QMC , London)
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classification ✦ hep-ph
keywords mesonsbepccollectedcovariantdecayformalismtensorabundant
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J/psi and psi' decay to mesons are a good place to look for glueballs, hybrids and for extracting strange and nonstrange components in mesons. Abundant J/psi and psi' events have been collected at the Beijing Electron Positron Collider (BEPC). More data will be collected at upgraded BEPC and CLEO-C. Here we provide explicit PWA formulae for many interesting channels in the covariant tensor formalism.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Observation of a Doubly-strange Hyperon $\Xi(1720)$ in $J/\psi\rightarrow{}K^{-}\Sigma^0\bar{\Xi}^{+}+c.c.$

    hep-ex 2026-04 conditional novelty 8.0

    BESIII observes a new Ξ(1720) hyperon with J^P = 3/2+ in J/ψ → K− Σ0 Ξ̄+ decays at >10σ significance, mass 1721 MeV/c², width 31 MeV, and branching fraction 2.68×10^{-5}.