Exotic mesons with double charm and bottom flavor

Details Exotic mesons with double charm and bottom flavor Exotic mesons with double charm and bottom flavor

2012-02-03

arxiv.org/abs/1202.0760v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 3 figures

Scientific paper

We study genuinely exotic mesons with double charm and bottom flavor. We take a hadronic picture by considering the molecular states composed of a pair of heavy mesons, such as DD, DD* and D*D* for charm flavor, and BB, BB* and B*B* for bottom flavor. The interactions between heavy mesons are derived from the heavy quark effective theory. All molecular states are classified by I(J^P) quantum numbers, and are systematically studied up to the total angular momentum J \leq 2. For the two-body problem, we numerically solve the coupled channel Schr\"odinger equations. We find the bound and/or resonant states for many quantum numbers. Some of them are new states which are not predicted by the tetraquark picture.

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