Search for doubly heavy dibaryons in the quark delocalization color screening model

نویسندگان

چکیده

We perform a systemical investigation of the low-lying doubly-heavy dibaryon systems with strange $S=0$, isospin $I=0$, $1$, $2$ and angular momentum $J=0$, $2$, $3$ in quark delocalization color screening model. find effect channel-coupling cannot be neglected study multi-quark systems. Due to heavy flavor symmetry, results doubly-charm doubly-bottom are similar each other. Both them have three bound states, quantum numbers which $IJ=00$, $IJ=02$ $IJ=13$, respectively. The energies $4554$ MeV, $4741$ $4969$ MeV respectively for $11219$ $11416$ $11633$ Besides, six resonance states obtained, $IJ=00$ $N\Xi_{cc}$ $N\Xi_{bb}$ mass $4716$ $11411$ respectively, $IJ=11$ $N\Xi^*_{cc}$ $N\Xi^*_{bb}$ $4757$ $11432$ $IJ=12$ $\Sigma_{c}\Sigma^*_{c}$ $\Sigma_{b}\Sigma^*_{b}$ $4949$ $11626$ All these dibaryons worth searching on experiments, although it will challenging work.

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ژورنال

عنوان ژورنال: Physical Review C

سال: 2022

ISSN: ['2470-0002', '2469-9985', '2469-9993']

DOI: https://doi.org/10.1103/physrevc.105.025201