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Abstract <p>The narrow resonant-like structures were identified in the invariant mass spectra of di-<InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(J/\psi\)</EquationSource> <!--NuclPhys2560195Didenko-m1--> </InlineEquation> and <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(J/\psi{-}\psi(2S)\)</EquationSource> <!--NuclPhys2560195Didenko-m2--> </InlineEquation> by three LHC collaborations. These findings point to the possible existence of fully-heavy tetraquarks with a <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(c\bar{c}c\bar{c}\)</EquationSource> <!--NuclPhys2560195Didenko-m3--> </InlineEquation> configuration. These new exotic resonances require detailed theoretical and experimental investigation. In this review, the latest experimental results and several theoretical approaches towards physics of new states are presented.</p>

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Resonant Charmonium Pair Production: a Comprehensive Review of Theoretical and Experimental Advances

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. Didenko,
  • L. Gladilin,
  • I. Yeletskikh

摘要

Abstract

The narrow resonant-like structures were identified in the invariant mass spectra of di- \(J/\psi\) and \(J/\psi{-}\psi(2S)\) by three LHC collaborations. These findings point to the possible existence of fully-heavy tetraquarks with a \(c\bar{c}c\bar{c}\) configuration. These new exotic resonances require detailed theoretical and experimental investigation. In this review, the latest experimental results and several theoretical approaches towards physics of new states are presented.