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Study of J/psi -> eta phi pi(+)pi(-) at BESIII
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2015 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 91, no 5, 052017Article in journal (Refereed) Published
Abstract [en]

invariant mass spectrum of phi f(0)(980) with a statistical significance of greater than 10 sigma. The corresponding mass and width are determined to be M = 2200 +/- 6(stat) +/- 5(syst) MeV/c(2) and Gamma = 104 +/- 15(stat) +/- 15(syst) MeV, respectively, and the product branching fraction is measured to be B(J/psi ->eta Y(2175), Y(2175)->phi f(0)(980), f(0)(980)->pi(+)pi(-)) = (1.20 +/- 0.14(stat)+/- 0.37(syst))x10(-4). The results are consistent within errors with those of previous experiments. We also measure the branching fraction of J/psi ->phi f(1)(1285) with f(1)(1285)->eta pi(+)pi(-) and set upper limits on the branching fractions for J/psi ->phi eta(1405)/phi X(1835)/phi X(1870) with eta(1405)/X(1835)/X(1870)->eta pi(+)pi(-) at the 90% confidence level.

Place, publisher, year, edition, pages
2015. Vol. 91, no 5, 052017
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-252229DOI: 10.1103/PhysRevD.91.052017ISI: 000352078700002OAI: oai:DiVA.org:uu-252229DiVA: diva2:810033
Available from: 2015-05-06 Created: 2015-05-04 Last updated: 2017-12-04Bibliographically approved

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Johansson, TordKupsc, AndrzejSchönning, KarinWolke, Magnus

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