Journal
EUROPEAN PHYSICAL JOURNAL A
Volume 55, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epja/i2019-12807-2
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Funding
- National Science Foundation of China [11847145, 11775118]
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Motivated by the searching for bbbb states at LHC recently, we calculate the ground-state energies of bbbb states with quantum numbers IJ(P) = 00(+), 01(+), 02(+) in a nonrelativistic chiral quark model using the Gaussian expansion method. In our calculations, two structures, meson-meson and diquark-antidiquark, and their coupling, along with all possible color, spin configurations are considered. No bound state is found, a resonance with mass of 19 GeV is possible. It is expected that the studies shall be helpful for the experimental searching of fully heavy exotic tetraquark states.
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