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Deuteron breakup in the Δ-isobar region
Uppsala University.
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1993 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 48, no 1, p. 86-91Article in journal (Refereed) Published
Abstract [en]

The pd → npp charge exchange reaction has been studied at 1.15 GeV incident proton energy in a selected kinematical region. The distributions of two-proton invariant mass Mpp, of angle of a single proton and the differential cross section dσ/dt of the (p, n) reaction are presented and compared with model predictions corrected for the acceptance of the experimental apparatus. We see no evidence of narrow (Γ < 30 MeV/c2) peaks in the Mpp interval 2.1-2.3 GeV/c2. The production of an intermediate Δ isobar in the primary (p, n) charge exchange and its subsequent absorption in a final state ΔN → pp process together with the background from quasi-free charge exchange scattering reasonably reproduces the general trends of the data.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 1993. Vol. 48, no 1, p. 86-91
National Category
Physical Sciences
Research subject
Physics, Astroparticle Physics
Identifiers
URN: urn:nbn:se:lnu:diva-29166DOI: 10.1088/0031-8949/48/1/014OAI: oai:DiVA.org:lnu-29166DiVA, id: diva2:652913
Available from: 2013-10-02 Created: 2013-10-02 Last updated: 2017-12-06Bibliographically approved

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Carius, Staffan

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