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Analysis of the $X_0(2900)$ as the scalar tetraquark state via the QCD sum rules

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arxiv 2008.07833 v3 pith:K3WNZ42P submitted 2020-08-18 hep-ph

Zhi-Gang Wang This is my paper
classification hep-ph
keywords tetraquarktyperulesscalarstateanalysisarticleassigning
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

In this article, we study the axialvector-diquark-axialvector-antidiquark ($AA$) type and scalar-diquark-scalar-antidiquark ($SS$) type fully open flavor $cs\bar{u}\bar{d}$ tetraquark states with the spin-parity $J^P={0}^+$ via the QCD sum rules. The predicted masses $M_{AA}=2.91\pm0.12\,\rm{GeV}$ and $M_{SS}=3.05\pm0.10\,\rm{GeV}$ support assigning the $X_0(2900)$ to be the $AA$-type scalar $cs\bar{u}\bar{d}$ tetraquark state.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Singly heavy tetraquarks

    hep-ph 2026-07 conditional novelty 6.0 of 10

    A hybrid quark model with gluon and meson exchange predicts that LHCb's T-c̄s̄0(2870) and T-cs̄0(2900) are compact tetraquarks, and that Ds0(2317), Ds1(2460), Tbs(5568), and Tcs(2327) are not.

  2. Diffusion Monte Carlo calculation of compact $T_{cs0}$ and $T_{c\bar{s}0}$ tetraquarks

    hep-ph 2025-07 conditional novelty 6.0 of 10

    A constituent quark model with diffusion Monte Carlo identifies the LHCb Tcs0(2870) and Tcbar_s0(2900) as compact, excited flavor states with I=1, and predicts lower-mass ground flavor partners.

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