TY  - JOUR
AU  - Dias, J. M.
AU  - Debastiani, V. R.
AU  - Roca, L.
AU  - Sakai, S.
AU  - Oset, E.
PY  - 2017
DA  - 2017//
TI  - Binding of the BD(D)over-bar and BDD systems
T2  - Phys. Rev. D
JO  - Physical Review D
SP  - 094007
EP  - 6pp
VL  - 96
IS  - 9
PB  - Amer Physical Soc
AB  - We study theoretically the BD (D) over bar and BDD systems to see if they allow for possible bound or resonant states. The three-body interaction is evaluated implementing the fixed center approximation to the Faddeev equations which considers the interaction of a D or (D) over bar particle with the components of a BD cluster, previously proved to form a bound state. We find an I(J(P)) = 1/2(0(-)) bound state for the BD (D) over bar system at an energy around 8925-8985 MeV within uncertainties, which would correspond to a bottom hidden-charm meson. In contrast, for the BDD system, which would be bottom double-charm and hence manifestly exotic, we have found hints of a bound state in the energy region 8935-8985 MeV, but the results are not stable under the uncertainties of the model, and we cannot assure, nor rule out, the possibility of a BDD three-body state.
SN  - 2470-0010
UR  - http://arxiv.org/abs/1709.01372
UR  - https://doi.org/10.1103/PhysRevD.96.094007
DO  - 10.1103/PhysRevD.96.094007
LA  - English
N1  - WOS:000414959300006
ID  - Dias_etal2017
ER  -