Reviews of topical problems

Δ isobar in nuclei (review of experimental data)

Institute ofGeneral and Nuclear Physics, Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russian Federation

Experimental and elementary theoretical work relevant to the electromagnetic and hadron excitation of the Δ isobar in nuclei is reviewed. The historical development of the notion of non-nucleon degrees of freedom, from the quasinucleon and the pion to quarks and gluons, is described, and the role of Δ excitations is discussed. Gamma, electron, proton, pion, and ion beam methodologies and detector and target designs are discussed. Preliminary suggestions about γ, e, p, π excitation mechanisms are made. Problem areas that need more research are highlighted, and trends for the future and prospective experiments are discussed.

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Fulltext is also available at DOI: 10.1070/PU1995v038n08ABEH000098
PACS: 25.10.s, 24.30.Gd, 29.90.r
DOI: 10.1070/PU1995v038n08ABEH000098
Citation: Mukhin K N, Patarakin O O "Δ isobar in nuclei (review of experimental data)" Phys. Usp. 38 803–844 (1995)
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:   ,    «-   ( )» 165 841–886 (1995); DOI: 10.3367/UFNr.0165.199508a.0841

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