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The NN-1, π and ΔN-1 delta decay modes in the nuclear medium
Luleå tekniska universitet.
Luleå tekniska universitet.
1994 (English)In: Nuclear Physics A, ISSN 0375-9474, E-ISSN 1873-1554, Vol. 572, no 3-4, p. 600-620Article in journal (Refereed) Published
Abstract [en]

The dependence of the Δ-width on the Δ-decay channels is studied in the nuclear medium. We calculate the decay of the delta into a nucleon and a general pisobar mode consisting of NN-1-, π- and dN-1-modes. For the case of no width of the Δ in the pisobar we present partial contributions to the Δ-width from the Δ-decay channels: Δ→N+NN-1, Δ→N+π and Δ→N+ΔN-1. Results for a self-consistent treatment of the Δ-width in the pisobar is presented. The self-consistent treatment only modifies the results with no width in the pisobar to a small extent. It is found that NN-1 channel is not only dominating the decay at low energies of the Δ-resonance but at high densities (ρ>1.5ρ0) this channel also dominates the decay at higher energies. Qualitative agreement with inclusive and exclusive (p,n) and (3He,T) experiments is achieved

Place, publisher, year, edition, pages
1994. Vol. 572, no 3-4, p. 600-620
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Other Physics Topics
Research subject
Fysik
Identifiers
URN: urn:nbn:se:ltu:diva-8922Local ID: 77962ed0-0659-11dd-97e0-000ea68e967bOAI: oai:DiVA.org:ltu-8922DiVA, id: diva2:981860
Note
Godkänd; 1994; 20080409 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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