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Polarisation of the omega meson 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, Nuclear Physics. (Hadron Physics)
2008 (English)In: physics letters b, ISSN 0370-2693, Vol. 668, no 4, 258-262 p.Article in journal (Refereed) Published
Abstract [en]

The tensor polarisation of omega mesons produced in the pd -> He-3 omega reaction has been studied 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. in contrast to the case of phi-meson production, the omega mesons are found to be unpolarised. This brings into question the applicability of the Okubo-Zweig-lizuka rule when comparing the production of vector mesons in low energy hadronic reactions.

Place, publisher, year, edition, pages
elsevier, 2008. Vol. 668, no 4, 258-262 p.
Keyword [en]
omega meson production, omega polarisation, OZI rule
National Category
Natural Sciences
Research subject
Physics with specialization in Nuclear Physics; Physics with specialization in Elementary Particle Physics
Identifiers
URN: urn:nbn:se:uu:diva-218054DOI: 10.1016/j.physletb.2008.08.044OAI: oai:DiVA.org:uu-218054DiVA: diva2:694651
Available from: 2014-02-07 Created: 2014-02-07 Last updated: 2014-02-07

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