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Journal Articles

$$S$$-wave fully charmed tetraquark resonant states

Wang, G.-J.*; Meng, Q.*; Oka, Makoto

Physical Review D, 106(9), p.096005_1 - 096005_9, 2022/11

https://doi.org/10.1103/PhysRevD.106.096005
 Times Cited Count：25 Percentile：90.97(Astronomy & Astrophysics)

$$S$$-wave resonances in the fully charmed tetraquark system are studied in the quark model. The complex scaling method allows us to get the complex eigen-energies of the tetraquark system above the fall-apart decay thresholds. We found two resonances in each of the $$J^{PC}=0^{++}$$, $$1^{+-}$$ and $$2^{++}$$ sectors, respectively. The obtained resonances are about 100 MeV higher than the recently found resonance, $$X(6900)$$.

Journal Articles

Higher fully charmed tetraquarks; Radial excitations and $$P$$-wave states

Wang, G.-J.*; Meng, L.*; Oka, Makoto; Zhu, S.-L.*

Physical Review D, 104(3), p.036016_1 - 036016_15, 2021/08

https://doi.org/10.1103/PhysRevD.104.036016
 Times Cited Count：31 Percentile：88.57(Astronomy & Astrophysics)

Radial excited states and $$P$$-wave excited states of the fully charmed tetraquark spectrum was studied in the quark model. In the standard model settings, we find that several states may correspond to the observed X(6900) region. The possible quantum numbers are $$0^{++}$$, $$2^{++}$$, $$1^{+-}$$, and $$2^{-+}$$ states.

Journal Articles

Signatures of the vortical quark-gluon plasma in hadron yields

Taya, Hidetoshi*; Park, A.*; Cho, S.*; Gubler, P.; Hattori, Koichi*; Hong, J.*; Huang, X.-G.*; Lee, S. H.*; Monnai, Akihiko*; Onishi, Akira*; et al.

Physical Review C, 102(2), p.021901_1 - 021901_6, 2020/08

AA2020-0306.pdf:0.47MB

https://doi.org/10.1103/PhysRevC.102.021901
 Times Cited Count：8 Percentile：62.33(Physics, Nuclear)

Oral presentation

The Study of P-wave Ds mesons in coupled channel framework

Wang, G.-J.*

no journal, , 

Combination of the recent quark model and lattice QCD results for Ds and Bs mesons is achieved and the structures of these mesons are discussed.

Oral presentation

The Study of P-wave Ds mesons in coupled channel framework

Wang, G.-J.*

no journal, , 

In this talk, I will discuss a novel framework to extract resonant states from finite-volume energy levels of lattice QCD and apply it to elucidate structures of the positive parity Ds resonant states nearby the DK and D*K thresholds. In the framework, the Hamiltonian effective field theory is extended by combining it with the quark model. The Hamiltonian contains the bare mesons from the quark model, its coupling with the threshold channels described by quark-pair-creation (QPC) model, and the channel-channel interactions induced by exchanging light mesons. A successful fit of the finite-volume energy levels of lattice QCD with the Hamiltonian model is made. The extracted masses and the predication for an additional state, Ds(2573), are well consistent with experimental measurements. The same framework has also be extended to the P-wave $$B_s$$ states.

Oral presentation

Higher fully-charmed tetraquarks; Radial excitations and P-wave states

Wang, G.-J.*

no journal, , 

Radial excited states and P-wave excited states of the fully-charmed tetraquark spectrum was studied in the quark model. In the standard model settings, we find that several states may correspond to the observed X(6900) region. The possible quantum numbers are $$0^{++}$$, $$2^{++}$$, $$1^{+-}$$, and $$2^{-+}$$ states.

Oral presentation

Spectrum of the fully-charmed tetraquark state

Wang, G.-J.*

no journal, , 

Radial excited states and P-wave excited states of the fully-charmed tetraquark spectrum was studied in the quark model. In the standard model settings, we find that several states may correspond to the observed X(6900) region. The possible quantum numbers are $$0^{++}$$, $$2^{++}$$, $$1^{+-}$$, and $$2^{-+}$$ states.

Oral presentation

Novel coupled channel framework connecting quark model and lattice QCD; An Investigation on near-threshold heavy-strange states

Wang, G.-J.*

no journal, , 

Relation between the quark model and the lattice QCD computation in the Ds and Bs systems is discussed.

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