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Cross section ratio and angular distributions of the reaction p + d -> He-3 + eta at 48.8MeV and 59.8MeV excess energy
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
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2014 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 50, no 6, 100- p.Article in journal (Refereed) Published
Abstract [en]

We present new data for angular distributions and on the cross section ratio of the p+d -> He-3+eta reaction at excess energies of Q - 48.8MeV and Q - 59.8 MeV. The data have been obtained at the WASA-at-COSY experiment (Forschungszentrum Julich) using a proton beam and a deuterium pellet target. While the shape of obtained angular distributions show only a slow variation with the energy, the new results indicate a distinct and unexpected total cross section fluctuation between Q = 20MeV and Q = 60 MeV, which might indicate the variation of the production mechanism within this energy interval.

Place, publisher, year, edition, pages
2014. Vol. 50, no 6, 100- p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-229294DOI: 10.1140/epja/i2014-14100-4ISI: 000338121900002OAI: oai:DiVA.org:uu-229294DiVA: diva2:736388
Available from: 2014-08-06 Created: 2014-08-05 Last updated: 2017-12-05Bibliographically approved

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Adlarson, PatrikCalen, HansFransson, Kjell E. I.Gullström, Carl-OscarHeijkenskjoeld, LenaHöistad, BoJohansson, TordKupsc, AndrzejMarciniewski, PawelPszczel, DamianPyszniak, AndrzejWolke, MagnusZlomanczuk, Jozef

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Adlarson, PatrikCalen, HansFransson, Kjell E. I.Gullström, Carl-OscarHeijkenskjoeld, LenaHöistad, BoJohansson, TordKupsc, AndrzejMarciniewski, PawelPszczel, DamianPyszniak, AndrzejWolke, MagnusZlomanczuk, Jozef
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Nuclear Physics
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