In-medium broadening of nucleon resonances

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 20 Sep 2001Embargo end date: 01 May 2001 English Publisher:American Physical Society (APS)Journal:Physical Review C, volume 64 (issn: 0556-2813, eissn: 1089-490X,

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Authors: Lehr, J.; Mosel, U.;

doi: 10.1103/physrevc.64.042202 , 10.48550/arxiv.nucl-th/0105054

arXiv: nucl-th/0105054

In-medium broadening of nucleon resonances

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Abstract

We analyze the effects of an in-medium broadening of nucleon resonances on the exclusive photoproduction of mesons on nuclei as well as on the total photoabsorption cross sections in a transport calculation. We show that the resonance widths observed in semi-inclusive photoproduction on nuclei are insensitive to an in-medium broadening of nucleon resonances. This is due to a simple effect: the sizeable width of the nuclear surface and Fermi motion.

4 pages, 3 figures, minor changes in the text

Related Organizations

Justus Liebig University Giessen
Germany

Keywords

Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences

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