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Measurement and analysis of the pp -> pp gamma action at 310 MeV
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
2011 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 83, no 5, 054001- p.Article in journal (Refereed) Published
Abstract [en]

The pp -> pp gamma reaction has been studied at a beam energy of 310 MeV by detecting both final protons at the PROMICE-WASA facility and identifying the photon through the resulting missing-mass peak. The photon angular distribution in the center-of-mass system and those of the proton-proton relative momentum with respect to the beam direction and to that of the recoil photon were determined reliably up to a final pp excitation energy of E-pp similar to 30 MeV. Except for very small E-pp values, the behavior of these distributions with excitation energy is well reproduced by a new refined model of the hard bremsstrahlung process. The model reproduces absolutely the total cross section and its energy dependence to within the experimental and theoretical uncertainties.

Place, publisher, year, edition, pages
2011. Vol. 83, no 5, 054001- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-154282DOI: 10.1103/PhysRevC.83.054001ISI: 000290522200001OAI: oai:DiVA.org:uu-154282DiVA: diva2:419990
Available from: 2011-05-30 Created: 2011-05-30 Last updated: 2011-05-30Bibliographically approved

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