Abstract
We use the quark potential model to calculate the mass spectrum of the S-wave fully heavy tetraquark systems with different flavors, including the bcb¯c¯,bbc¯c¯,ccc¯b¯, and bbb¯c¯ systems. We employ the Gaussian expansion method to solve the four-body Schrödinger equation, and the complex scaling method to identify resonant states. The bcb¯c¯,bbc¯c¯,ccc¯b¯, and bbb¯c¯ resonant states are obtained in the mass regions of (13.2, 13.5), (13.3, 13.6), (10.0, 10.3), (16.5, 16.7) GeV, respectively. Among these states, the bcb¯c¯ tetraquark states are the most promising ones to be discovered in the near future. We recommend the experimental exploration of the 1++ and 2++ bcb¯c¯ states with masses near 13.3 GeV in the J/ψϒ channel. From the root-mean-square radii, we find that all the resonant states we have identified are compact tetraquark states. Published by the American Physical Society 2024
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