Spectroscopy of doubly heavy baryons
С.С. ГерштейнState Research Center, Institute for High Energy Physics, Protvino, Moscow Region, 142284 RussiaV. V. KiselevState Research Center, Institute for High Energy Physics, Protvino, Moscow Region, 142284 RussiaA. K. LikhodedState Research Center, Institute for High Energy Physics, Protvino, Moscow Region, 142284 RussiaA. I. OnishchenkoState Research Center, Institute for High Energy Physics, Protvino, Moscow Region, 142284 Russia
2000en
ABI
Аннотация
Spectra of masses are calculated for the families of doubly heavy baryons in the framework of the nonrelativistic quark model with the QCD potential of Buchm\"uller and Tye. We suppose the quark-diquark structure for the wave functions and take into account the spin-dependent splittings. The physical reasons causing the existence of quasistable excited states in the subsystem of heavy diquark are considered for the heavy quarks of identical flavors.
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