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An overview of $XYZ$ new particles

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arxiv 1312.7408 v2 pith:WZ6M25FA submitted 2013-12-28 hep-ph hep-exnucl-exnucl-th

Xiang Liu This is my paper · ORCID
classification hep-phhep-exnucl-exnucl-th
keywords statesbeenbottomoniumlikebrieflycharmoniumlikedecadediscussionsexperimental
verification ladder T0 review T1 audit T2 compute T3 formal
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In the past decade, more and more charmoniumlike and bottomoniumlike states have been reported in experiments, which have led us to extensive discussions on the underlying structure of these states. In this review paper, we briefly summarize the experimental and theoretical status of these observed states.

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Forward citations

Cited by 5 Pith papers

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

  1. Prediction of $QQqq\bar{s}$ molecular pentaquarks within the extended local hidden gauge approach

    hep-ph 2025-08 reject novelty 6.0 of 10

    A model calculation predicts fourteen double-heavy molecular pentaquark states, but their existence and binding energies depend critically on an unconstrained regularization parameter.

  2. The dynamically generated $h_1$ state by the $K^*\bar{K}^*$ interaction and its $K_1(1270)\bar{K}$ and $b_1(1235)\pi$ decays

    hep-ph 2026-01 conditional novelty 5.0 of 10

    The dynamically generated h1(1790) K*Kbar* molecule is predicted to decay into K1(1270)Kbar and b1(1235)pi with partial widths of about 0.5 to several MeV, plus stable width ratios R1≈0.3 and R2≈0.53.

  3. $\Upsilon(5S)$ in the unquenched quark model

    hep-ph 2025-07 conditional novelty 5.0 of 10

    A coupled-channel quark-model calculation shifts the bare Upsilon(5S) mass down by 31.4 MeV to 10896 MeV and argues that Upsilon(10860) and Upsilon(10753) are distinct states.

  4. Scalar Triple-Heavy Tetraquark States With Quark Content $cc\bar{c}\bar{s}$

    hep-ph 2025-06 conditional novelty 4.0 of 10

    QCD sum rule analysis predicts scalar cc̄c̄s tetraquark states with masses near 4.94 to 5.08 GeV, including an ηc-Ds molecule and two diquark-antidiquark compact states.

  5. Unquenched Charmonium and Beyond

    hep-ph 2026-02 conditional novelty 2.0 of 10

    This Lanzhou-group review argues that coupled-channel (unquenched) effects, not exotic constituents, are the common thread explaining charmonium anomalies from the rho-pi puzzle to the Y-problem states.

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