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arxiv: 1012.0773 · v1 · pith:V2X3454Pnew · submitted 2010-12-03 · ✦ hep-ph · hep-ex

Precise determination of the eta_c mass and width in the radiative J/Psi -> eta_c gamma decay

Nora Brambilla , Pablo Roig , Antonio Vairo This is my paper
classification ✦ hep-ph hep-ex
keywords decaygammamasswidthcleodeterminationeffectiveextraction
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We present an effective field theory based extraction of the eta_c mass and width from a recent measurement by CLEO of the photon line shape in J/Psi -> eta_c gamma decay.

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

  1. Extraction of charmonium branching fractions from $J/\psi\to\gamma\eta_c$ radiative decays

    hep-ph 2026-06 unverdicted novelty 5.0

    Proposes new photon line shape and branching fraction extraction method for J/psi to gamma eta_c, claiming compatibility between PDG data correlations and lattice QCD widths via profile scan.