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Exploring the magnetic dipole moments of $T_{QQ \bar q \bar s}$ and $T_{QQ \bar s \bar s}$ states in the framework of QCD light-cone sum rules

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arxiv 2301.07713 v2 pith:5GHYVBEM submitted 2023-01-18 hep-ph hep-exhep-lat

K. Azizi , U. Özdem This is my paper · ORCID
classification hep-phhep-exhep-lat
keywords magneticdipolemomentsstatesdifferentdiquark-antidiquarklight-conerules
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Motivated by the recent observation of the tetraquark $ T_{cc}^{+}$, we investigate the magnetic dipole moments of the possible single and double strange partners, $T_{QQ \bar q \bar s}$ and $T_{QQ \bar s \bar s}$, with the spin-parity $ J^{P} = 1^{+}$ by means of the QCD light-cone sum rules. To this end, we model these states as diquark-antidiquark states with different organizations and interpolating currents. The results of magnetic dipole moments obtained using different diquark-antidiquark structures differ from each other, considerably. The magnetic dipole moment is the leading-order response of a bound system to a soft external magnetic field. Therefore, it provides an excellent platform for investigation of the inner structures of hadrons governed by the quark-gluon dynamics of QCD.

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Cited by 3 Pith papers

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

  1. Charting doubly strange hidden-charm pentaquarks: An electromagnetic mapping of spin-$\frac{1}{2}$ and $\frac{3}{2}$ states

    hep-ph 2026-07 accept novelty 6.0 of 10

    LCSR calculations of magnetic, quadrupole and octupole moments for S=-2 hidden-charm pentaquarks yield large current-dependent ranges (-4.25 to 5.74 μ_N) dominated by the charm quark in most diquark configurations.

  2. Investigating the underlying structure of vector hidden-charm tetraquark states via their electromagnetic characteristics

    hep-ph 2024-12 conditional novelty 5.0 of 10

    QCD light-cone sum rules give magnetic moments for vector hidden-charm tetraquarks that depend strongly on the chosen diquark-antidiquark current.

  3. Shedding light on the nature of the $P_{cs}(4459)$ pentaquark state

    hep-ph 2024-11 conditional novelty 5.0 of 10

    QCD light-cone sum rules with three diquark-diquark-antiquark currents predict Pcs(4459) magnetic dipole moments of -0.60, 1.60, and 0.99 nuclear magnetons.

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