Inclusive production of fully-charmed $1^{+-}$ tetraquark at $\mathbf{B}$ factory

Abstract

Inspired by the recent discovery of the $X(6900)$ meson at {\tt LHCb} experiment, we investigate the inclusive production rate of the $C$-odd fully-charmed tetraquarks associated with light hadrons at the $B$ factory within the nonrelativistic QCD (NRQCD) factorization framework. The short-distance coefficient is computed at lowest order in velocity and ${\alpha }_s$. Employing the diquark-antidiquark model to roughly estimate the long-distance NRQCD matrix elements, we predict the rate for inclusive production of the $1^{+-}$ $T_{4c}$ state and discuss the observation prospects at {\tt Belle 2} experiment.

arXiv comment11 pages, 3 figures

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• An updated review of the new hadron states
• Higher mass spectra of the fully-charmed and fully-bottom tetraquarks
• $S$-wave fully charmed tetraquark resonant states
• Going in quest of potential tetraquark interpretations for the newly observed $T_{\psi \psi }$ states in light of the diquark-antidiquark scenarios
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• Decay behaviors of the fully-bottom and fully-charm tetraquark states
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