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Exotic baryons from a heavy meson and a nucleon | | Yasuhiro Yamaguchi
; Shunsuke Ohkoda
; Shigehiro Yasui
; Atsushi Hosaka
; | | Date: |
2 Sep 2012 | | Abstract: | We evaluate a hadronic molecule formed by a heavy meson and a nucleon
respecting heavy quark symmetry. The tensor force of pion exchange potential
plays a dominate role to produce an strong attraction in this system. Solving
coupled channel Schr"odinger equations for PN and P* N, we find many bound and
resonant states with isospin I=0 while there are few resonances in I=1 state.
The rich structures with I=0 indicate that the spectrum of heavy baryons near
the threshold is influenced by the contributions from such hadron composite
structures. | | Source: | arXiv, 1209.0187 | | Services: | Forum | Review | PDF | Favorites | |
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