D- mesic atoms

D- mesic atoms

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D- mesic atoms

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García Recio, Carmen; Nieves Pamplona, Juan Miguel; Salcedo, Lorenzo Luis; Tolós Rigueiro, Laura
This document is a artículoDate2012

Este documento está disponible también en : http://hdl.handle.net/10550/39440
The anti-D meson self-energy is evaluated self-consistently, using unitarized coupled-channel theory, by computing the in-medium meson-baryon T-matrix in the C=-1,S=0 sector. The heavy pseudo-scalar and heavy vector mesons, anti-D and anti-D^*, are treated on equal footing as required by heavy quark spin symmetry. Results for energy levels and widths of D^- mesic atoms in 12C, 40Ca, 118Sn and 208Pb are presented. The spectrum contains states of atomic and of nuclear types for all nuclei. anti-D^0--nucleus bound states are also obtained. We find that, after electromagnetic and nuclear cascade, these systems end up with the anti-D bound in the nucleus, either as a meson or as part of a exotic anti-D N (pentaquark) loosely bound state.

    García Recio, Carmen Nieves Pamplona, Juan Miguel Salcedo, Lorenzo Luis Tolos, L. 2012 D- mesic atoms Physical Review C 85 2 025203

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