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Type: Journal article
Title: Nucleon and hadron structure changes in the nuclear medium and impact on observables
Author: Saito, K.
Tsushima, K.
Thomas, A.
Citation: Progress in Particle and Nuclear Physics, 2007; 58(1):1-167
Publisher: Elsevier Science Bv
Issue Date: 2007
ISSN: 0146-6410
Statement of
K. Saito, K. Tsushima and A.W. Thomas
Abstract: We review the effect of hadron structure changes in a nuclear medium using the quark-meson coupling (QMC) model, which is based on a mean field description of non-overlapping nucleon (or baryon) bags bound by the self-consistent exchange of scalar and vector mesons. This approach leads to simple scaling relations for the changes of hadron masses in a nuclear medium. It can also be extended to describe finite nuclei, as well as the properties of hypernuclei and meson-nucleus deeply bound states. It is of great interest that the model predicts a variation of the nucleon form factors in nuclear matter. We also study the empirically observed, Bloom-Gilman (quark-hadron) duality. Other applications of the model include subthreshold kaon production in heavy ion collisions, D and D-bar meson production in antiproton-nucleus collisions, and J/Psi suppression. In particular, the modification of the D and D-bar meson properties in nuclear medium can lead to a large J/Psi absorption cross section, which explains the observed J/Psi suppression in relativistic heavy ion collisions.
Keywords: Quarks in nuclei; Quark–meson coupling model; Relativistic nuclear model; Properties of finite nuclei; A new scaling formula for hadron masses in matter; Nucleon form factors; Hypernuclei and exotic nuclei; Meson–nucleus bound states; Nuclear structure functions; Hadron reactions in matter
RMID: 0020096121
DOI: 10.1016/j.ppnp.2005.07.003
Appears in Collections:Physics publications

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