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Invariant-mass distributions for the pp -> pp eta reaction at Q=10 MeV
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2010 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 43, no 2, 131-136 p.Article in journal (Refereed) Published
Abstract [en]

Proton-proton and proton-eta invariant-mass distributions and the total cross-section for the pp -> pp eta reaction have been determined near the threshold at an excess energy of Q = 10 MeV. The experiment has been conducted using the COSY-11 detector setup and the cooler synchrotron COSY. The determined invariant-mass spectra reveal significant enhancements in the region of low proton-proton relative momenta, similarly as observed previously at higher excess energies of Q = 15.5 MeV and Q = 40 MeV.

Place, publisher, year, edition, pages
2010. Vol. 43, no 2, 131-136 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-138033DOI: 10.1140/epja/i2009-10900-9ISI: 000274303600002OAI: oai:DiVA.org:uu-138033DiVA: diva2:378784
Available from: 2010-12-16 Created: 2010-12-16 Last updated: 2010-12-16Bibliographically approved

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