Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2009-01-12
Nucl.Phys.A827:249c-251c,2009
Physics
Nuclear Physics
Nuclear Theory
3 pages, 3 figures, to appear in the proceedings of the International Conference on Particles And Nuclei (PANIC08), Eilat, Isr
Scientific paper
10.1016/j.nuclphysa.2009.05.049
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 $100 {\rm MeV}$ and $200 {\rm MeV}$ 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.
Gamermann Daniel
Molina Raquel
Oset Eulogio
Tolos Laura
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