Abstract
We search for ψ(3770)→π + π − η, K + K − η, \(p\bar{p}\eta\) , ρ 0 π + π − η, K + K − π + π − η, \(p\bar{p}\pi^{+}\pi^{-}\eta\) , \(p\bar{p}K^{+}K^{-}\eta\) and \(p\bar{p}K^{+}K^{-}\pi^{0}\) using data samples of 17.3 and 6.5 pb−1 integrated luminosities recorded at the center-of-mass energies of 3.773 and 3.65 GeV, respectively, by the BES-II detector operating at the BEPC collider. We obtain cross section measurements at both energies and upper limits on ψ(3770) decay branching fractions to the final states studied.
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The BES Collaboration., Ablikim, M., An, L. et al. Search for ψ(3770)→ charmless final states involving η or π 0 mesons. Eur. Phys. J. C 66, 11–16 (2010). https://doi.org/10.1140/epjc/s10052-010-1245-2
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DOI: https://doi.org/10.1140/epjc/s10052-010-1245-2