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eta MESON PRODUCTION IN PROTON-PROTON COLLISIONS AT 40 AND 72 MeV EXCESS ENERGY
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
2011 (English)In: International Journal of Modern Physics A, ISSN 0217-751X, E-ISSN 1793-656X, Vol. 26, no 3-4, 681-682 p.Article in journal (Refereed) Published
Abstract [en]

Differential cross sections for eta production in proton-proton collisions at 40 and 72 MeV above threshold show that higher partial waves are necessary to describe the reaction. A simple model assuming constant production amplitudes and including most partial waves up to two units of angular momentum reproduces the data rather well, and also describes the invariant mass distributions found at 15.5 MeV excess energy.

Place, publisher, year, edition, pages
2011. Vol. 26, no 3-4, 681-682 p.
Keyword [en]
Eta meson, near-threshold production, partial waves
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-149717DOI: 10.1142/S0217751X11052499ISI: 000287529800088OAI: oai:DiVA.org:uu-149717DiVA: diva2:405419
Available from: 2011-03-22 Created: 2011-03-22 Last updated: 2017-12-11Bibliographically approved

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