Magnetic moments of the hidden-charm strange pentaquark states

Gao, Feng; Li, Hao-Song

doi:10.48550/arxiv.2112.01823

Cited by 7 publications

(12 citation statements)

References 26 publications

(31 reference statements)

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“…See Refs. [685,686] for more calculations within the meson-baryon, diquark-diquark-antiquark, and diquark-triquark pictures. These results may be useful in determining the quantum numbers and the internal structure of the P cs (4459).…”

Section: Hidden-charm Pentaquark State P Cs (4459)mentioning

confidence: 99%

An updated review of the new hadron states

Chen¹,

Chen²,

Liu³

et al. 2022

Preprint

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The past decades witnessed the golden era of hadron physics. Many excited open heavy flavor mesons and baryons have been observed since 2017. We shall provide an updated review of the recent experimental and theoretical progresses in this active field. Besides the conventional heavy hadrons, we shall also review the recently observed open heavy flavor tetraquark states X(2900) and T + cc (3875) as well as the hidden heavy flavor multiquark states X(6900), P cs (4459) 0 , Z cs (3985) − , Z cs (4000) + , and Z cs (4220) + . We will also cover the recent progresses on the glueballs and light hybrid mesons, which are the direct manifestations of the non-Abelian SU (3) gauge interaction of the Quantum Chromodynamics in the low-energy region.

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Section: Hidden-charm Pentaquark State P Cs (4459)mentioning

confidence: 99%

An updated review of the new hadron states

Chen¹,

Chen²,

Liu³

et al. 2022

Preprint

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“…The meson baryon molecular interpretation was also adopted in Refs. [26][27][28][29][30][31][32][33][34][35][36][37][38][39]. Ref.…”

Section: Introductionmentioning

confidence: 99%

“…In Refs. [38,[41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57][58], the substructures of the pentaquark states were treated to be diquark-diquark-antiquark forms. Another possible substructure, diquark-triquark, was also investigated in Refs.…”

Section: Introductionmentioning

confidence: 99%

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Investigation of hidden-charm double strange pentaquark candidate $P_{css}$ via its mass and strong decays

Azizi,

Sarac,

Sundu

2021

Preprint

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This work presents an analysis of a hidden charmed pentaquark candidate state with double strange quark in its quark content. The investigation is performed in two parts, which provide the mass prediction of the considered state and its partial decay width for the Pcss → Ξ 0 J/ψ channel. For the analyses, two-point and three-point QCD sum rule methods are applied to get the mass and the width, respectively. The mass for this candidate state is obtained as mP css = 4600 ± 155 MeV with corresponding current coupling constant λP css = (0.81 ± 0.21) × 10 −3 GeV 6 . These results are used in the analysis of the partial width of this state for the decay Pcss → Ξ 0 J/ψ. For this decay, the width is obtained as Γ = 9.52 ± 2.85 MeV. These results may shed light on the future experimental searches in which such types of states are probed and may provide information to discriminate between such possible observations.

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“…There are some theoretical estimations on the internal structure of P 1/2 QQ and P 3/2 QQ states, their masses, production mechanisms and decay channels using different configurations and models [29][30][31][32][33][34][35][36][37]. It should be noted here that, magnetic moments of hidden-charm pentaquark states have been obtained via different models and substructures [38][39][40][41][42][43][44][45]. Though the short lifetimes of the pentaquark states make the magnetic moment difficult to be measured at present, more data accumulation in different experiments in the future may make this possible.…”

Section: Introductionmentioning

confidence: 97%

Electromagnetic properties of doubly-heavy pentaquark states

U.¹

2022

Preprint

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Motivated by the latest discovery of doubly-charmed tetraquark T + cc by LHCb collaboration, we have been studied the magnetic moments of the possible doubly-heavy pentaquark states with quantum numbers J P = 1/2 − and J P = 3/2 − within the light-cone sum rules method. In the analysis, these possible pentaquark states are considered in diquark-diquark-antiquark structure. The magnetic moments of hadrons encode helpful details about the distributions of the charge and magnetization inside the hadrons, which help us to figure out their geometric configurations. As a by product, the electric quadrupole and magnetic octupole moments of the spin-3/2 doubly-heavy pentaquark states are also extracted. These values show a non-spherical charge distribution. It will be interesting and useful to examine the magnetic moments of these possible doubly-heavy pentaquark states with different theoretical approaches.

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Magnetic moments of the hidden-charm strange pentaquark states

Cited by 7 publications

References 26 publications

An updated review of the new hadron states

An updated review of the new hadron states

Investigation of hidden-charm double strange pentaquark candidate $P_{css}$ via its mass and strong decays

Electromagnetic properties of doubly-heavy pentaquark states

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