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Measurement of the branching fraction of J/psi -> omega eta 'pi(+)pi(-) and search for J/psi -> omega X(1835), X(1835) -> eta 'pi(+)pi(-) decay
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
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Number of Authors: 4742019 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 99, no 7, article id 071101Article in journal (Refereed) Published
Abstract [en]

Using a sample of 1.31 x 10(9) J/psi events collected by the BESIII detector at BEPCII during 2009 and 2012, we study the J/psi -> omega eta'pi(+)pi(-) thorn p-hadronic process. For the first time, we measure the branching ratio B(J/psi -> omega eta'pi(+)pi(-)) = (1.12 +/- 0.02 +/- 0.13) x 10(-3). We search for the X(1835) state in the eta'pi(+)pi(-) invariant mass spectra. No evidence is found and we estimate the upper limit on the branching fraction at 90% confidence level to be B(J/psi -> omega X(1835), X(1835) -> eta'pi(+)pi(-)) < 6.2 x 10(-5).

Place, publisher, year, edition, pages
AMER PHYSICAL SOC , 2019. Vol. 99, no 7, article id 071101
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Subatomic Physics
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URN: urn:nbn:se:uu:diva-382564DOI: 10.1103/PhysRevD.99.071101ISI: 000463892700001OAI: oai:DiVA.org:uu-382564DiVA, id: diva2:1313553
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Swedish Research Council
Note

For complete list of authors see http://dx.doi.org/10.1103/PhysRevD.99.071101

Available from: 2019-05-03 Created: 2019-05-03 Last updated: 2019-05-03Bibliographically approved

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Adlarson, PatrikBiernat, JacekAndersson, Walter IkegamiJohansson, TordKupsc, AndrzejLi, CuiPapenbrock, MichaelPettersson, JoachimSchönning, KarinThorén, ViktorWolke, Magnus
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