Binding of the BD(D)over-bar and BDD systems
Dias
J
M
author
Debastiani
V
R
author
Roca
L
author
Sakai
S
author
Oset
E
author
2017
English
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.
WOS:000414959300006
exported from refbase (https://references.ific.uv.es/refbase/show.php?record=3359), last updated on Thu, 23 Nov 2017 08:42:03 +0000
text
http://arxiv.org/abs/1709.01372
http://arxiv.org/abs/1709.01372
10.1103/PhysRevD.96.094007
Dias_etal2017
Physical Review D
Phys. Rev. D
2017
Amer Physical Soc
continuing
periodical
academic journal
96
9
094007
6pp
2470-0010