Revisit the $X(4274)$ as the axialvector tetraquark state

  title={Revisit the \$X(4274)\$ as the axialvector tetraquark state},
  author={Z. Wang},
  journal={Acta Physica Polonica B},
  • Z. Wang
  • Published 2020
  • Physics
  • Acta Physica Polonica B
  • In this article, we construct the $[sc]_A[\bar{s}\bar{c}]_V-[sc]_V[\bar{s}\bar{c}]_A$ type tensor current to study the mass and width of the $X(4274)$ with the QCD sum rules in details. The predicted mass $M_{X}=(4.27\pm0.09) \, \rm{GeV}$ for the $J^{PC}=1^{++}$ tetraquark state is in excellent agreement with the experimental data $4273.3 \pm 8.3 ^{+17.2}_{-3.6} \mbox MeV}$ from the LHCb collaboration. The central value of the width $\Gamma(X(4274)\to J/\psi \phi)=47.9\,{\rm{MeV}}$ is in… CONTINUE READING
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