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Open Access item Charm and Hidden Charm Scalar Resonances in Nuclear Matter

Authors:Oset, Eulogi
Gamermann, Daniel
Molina, Raquel
Tolós, Laura
Keywords:D-s0(2317), D(2400), X(3700), Dynamically-generated resonance, Scalar mesons
Issue Date:15-Aug-2009
Citation:Nuclear Physics - Section A 827 (1-4): 249C-251C (2009)
Abstract:We study the properties of the scalar charm resonances D-s0(2317) and D-0(2400), and the theoretical hidden charm state X(3700) in nuclear matter. We find that for the D-s0(2317) and X(3700) resonances, with negligible and small width at zero density, respectively, the width becomes about 100 MeV and 200 MeV at normal nuclear matter density, accordingly. For D-0(2400) the change in width is relatively less important. We discuss the origin of this new width and trace it to reactions occurring in the nucleus. We also propose a possible experimental test for those modifications in nuclear matter, which will bring valuable information on the nature of those scalar resonances and the interaction of D mesons with nucleons.
Description:18th Particles and Nuclei International Conference (PANIC08). Eilat, ISRAEL, NOV 09-14, 2008
Publisher version (URL):http://dx.doi.org/ 10.1016/j.nuclphysa.2009.05.049
Appears in Collections:(IFIC) Comunicaciones congresos

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