Stable double-heavy tetraquarks: spectrum and structure

Q. Meng, E. Hiyama, A. Hosaka +5

Bound states of double-heavy tetraquarks are studied in a constituent quark model. Two bound states are found for isospin and spin-parity I(J^P ) = 0(1^+) in the bb\bar{u}\bar{d} c…