Triply heavy tetraquark states in a mass-splitting model

Abstract

In a modified chromomagnetic interaction model, assuming $X(4140)$ to be the lowest $1^{++}$ $cs\bar{c}\bar{s}$ tetraquark and treating it as the reference state, we systematically investigated the masses of the triply-heavy tetraquark states $QQ\bar{Q}\bar{q}$ ($Q=c,b;q=u,d,s$). Because of their higher masses, no stable tetraquarks were found. Using a simple scheme, we also estimated the partial widths of the rearrangement decay channels and relevant ratios. A compact triply heavy tetraquark candidate would be favored if its observed mass and partial width ratios were comparable with our predictions. We hope that the present work will be helpful for further studies.

arXiv comment18 pages, 1 figure, 12 tables

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Cited by in corpus (2)

• Systematic exploration of triply heavy tetraquarks: spectroscopic and decay characteristics
• Assessing the validity of the Born-Oppenheimer approximation in potential models for doubly heavy hadrons