Exotic B_c-like molecules in QCD Sum Rules
arXiv:1203.6569 · doi:10.1016/j.physletb.2012.10.063
Abstract
We use the QCD sum rules to study possible $B_c$-like molecular states. We consider isoscalar $J^P = 0^+$ and $J^P = 1^+ D^{(\ast)}B^{(\ast)}$ molecular currents. We consider the contributions of condensates up to dimension eight and we work at leading order in $α_s$ . We obtain for these states masses around 7 GeV.
7 pages, 6 figures. Accepted for publication in Physics Letters B. arXiv admin note: text overlap with arXiv:1110.2113