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- W2991926107 abstract "We report a study of the process γγ → X → η_cπ^+π^-, where X stands for one of the resonances χ_(c2)(1P), η_c(2S), X(3872), X(3915), or χ_(c2)(2P). The analysis is performed with a data sample of 473.9 fb^(-1) collected with the BABAR detector at the PEP-II asymmetric-energy electron-positron collider. We do not observe a significant signal for any channel, and calculate 90% confidence-level upper limits on the products of branching fractions and two-photon widths Γ_(X→γγ)B(X → η_cπ^+π^-): 15.7 eV for χ_(c2)(1P), 133 eV for η_c(2S), 11.1 eV for X(3872) (assuming it to be a spin-2 state), 16 eV for X(3915) (assuming it to be a spin-2 state), and 18 eV for χ_(c2)(2P). We also report upper limits on the ratios of branching fractions B(η_c(2S)→ η_cπ^+π^-)/B(η_c(2S)→ K_S^0K^+π^-)<10.0 and B(χ_(c2)(1P)→ η_cπ^+π^-)/B(χ_c2(1P)→ K_S^0K^+π^-)<32.9 at the 90% confidence level." @default.
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- W2991926107 date "2012-11-06" @default.
- W2991926107 modified "2023-09-27" @default.
- W2991926107 title "Search for resonances decaying to η_cπ^+π^- in two-photon interactions" @default.
- W2991926107 hasPublicationYear "2012" @default.
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