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MEASUREMENT OF THE omega MESON POLARIZATION IN THE pd -> He-3 omega REACTION AT 1360 AND 1450 MeV
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
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2009 (English)In: International Journal of Modern Physics E, ISSN 0218-3013, Vol. 18, no 2, 253-260 p.Article in journal (Refereed) Published
Abstract [en]

The tensor polarization of omega mesons produced in the pd -> He-3 omega reaction has been measured at two energies near threshold. The 3 He nuclei were detected in coincidence with the pi(0)pi(+)pi(-) or pi(0)gamma decay products of the omega. The omega mesons are found to be unpolarised, which is in complete contrast to the case of phi-meson production from the corresponding reaction pd -> He-3 phi. This brings into question the applicability of the Okubo-Zweig-Iizuka rule when comparing the production of vector mesons in low energy hadronic reactions.

Place, publisher, year, edition, pages
2009. Vol. 18, no 2, 253-260 p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-148885DOI: 10.1142/S0218301309012276ISI: 000265091500009OAI: oai:DiVA.org:uu-148885DiVA: diva2:403455
Available from: 2011-03-14 Created: 2011-03-11 Last updated: 2017-12-11Bibliographically approved

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Schönning, KarinKupsc, Andrzej

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