Investigation of $Δ^0Δ^0$ dibaryon in QCD

Mutuk, H.; Azizi, K.

doi:10.48550/arxiv.2204.03050

Cited by 2 publications

(2 citation statements)

References 70 publications

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“…Although the 𝑋(3872) has quantum numbers that are not exotic, its decay properties violate isospin conservation, suggesting that its inner structure may involve more complex dynamics beyond traditional quarkonium states. Various theoretical models have been proposed to describe the 𝑋(3872), including a loosely-bound meson molecule [46][47][48][49][50][51][52][53][54][55][56][57][58][59], a compact diquark system [60][61][62][63][64][65][66][67][68], or a hadroquarkonium configuration consisting of a quarkonium core and an orbiting light meson [69][70][71][72][73][74][75][76].…”

Section: Hors D'oeuvrementioning

confidence: 99%

Vector Quarkonia at the LHC with Jethad: A High-Energy Viewpoint

Celiberto

2023

Universe

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In this review, we discuss and extend the study of the inclusive production of vector quarkonia, J/ψ and Υ, emitted with large transverse momenta and rapidities at the LHC. We adopt the novel ZCW19+ determination of fragmentation functions to depict the quarkonium production mechanism at the next-to-leading level of perturbative QCD. This approach is based on the nonrelativistic QCD formalism well adapted to describe the formation of a quarkonium state from the collinear fragmentation of a gluon or a constituent heavy quark at the lowest energy scale. We rely upon the NLL/NLO+ hybrid high-energy and collinear factorization for differential cross-sections, where the collinear formalism is enhanced by the BFKL resummation of next-to-leading energy logarithms arising in the t-channel. We employ the method to analyze the behavior of the rapidity distributions for double-inclusive vector quarkonium and inclusive vector quarkonium plus jet emissions. We discover that the natural stability of the high-energy series, previously seen in observables sensitive to the emission of hadrons with heavy flavor detected in the rapidity acceptance of LHC barrel calorimeters, becomes even more manifest when these particles are tagged in forward regions covered by endcaps. Our findings present the important message that vector quarkonia at the LHC via hybrid factorization offer a unique chance to perform precision studies of high-energy QCD, as well as an intriguing opportunity to shed light on the quarkonium production puzzle.

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Section: Hors D'oeuvrementioning

confidence: 99%

Vector Quarkonia at the LHC with Jethad: A High-Energy Viewpoint

Celiberto

2023

Universe

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“…In Refs. [41][42][43][44], it is indicated that hexaquark spectral densities led to small PC. When we investigate the OPE convergence, we have acquired that the contribution of the higher dimensional terms in OPE is less than ∼ 2%, thus the convergence of the sum rules is ensured.…”

Section: Numerical Analysis and Conclusionmentioning

confidence: 99%

Electromagnetic properties of the $$ D \bar{D}^* K$$ molecular hexaquark state

Özdem

2022

Eur. Phys. J. Plus

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We systematically study the electromagnetic properties of multiquark states. In this study, inspired by the recent series of studies that showed the likely existence of a D D * K state, we examine the magnetic moment of D D * K hexaquark state in three-meson molecular structure, as well as having isospin and spin-parity quantum numbers I(J P ) = 3/2(1 − ) via light-cone sum rules. The magnetic moment obtained for the D D * K molecular hexaquark state is quite large due to the double electric charge, and its magnitude indicates that it is accessible in future experiments. As a by product, the quadrupole moment of the D D * K molecular hexaquark state are also extracted. This value indicates a non-spherical charge distribution. The magnetic moments of hadrons contains valuable knowledge on the distributions of charge and magnetization their inside, which can be used to better understand their geometric shape and quark-gluon organizations. The results given in this study constitute an estimate of the magnetic moment of this D D * K state and should serve as an inspiration to conduct experimental examinations of this state.

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Investigation of $Δ^0Δ^0$ dibaryon in QCD

Cited by 2 publications

References 70 publications

Vector Quarkonia at the LHC with Jethad: A High-Energy Viewpoint

Vector Quarkonia at the LHC with Jethad: A High-Energy Viewpoint

Electromagnetic properties of the $$ D \bar{D}^* K$$ molecular hexaquark state

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