Possible molecular states in 
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 scatterings

Yu, Meng-Ting; Zhou, Zhengxin; Chen, Dian-Yong; Xiao, Zhiguang

doi:10.1103/physrevd.101.074027

Cited by 16 publications

(6 citation statements)

References 40 publications

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“…Contact terms and pion exchange are considered in [39] and bound states are obtained in the BB * and B * B * in I = 0, J P = 1 + , with binding energies ranging from 12 to 24 MeV, with large uncertainties. Similar results are obtained using quark model interactions in [40]. The boson exchange model is again used in [41] with the result that no bound state is found for BB, a I(J P ) = 0(1 + ) bound state is found for BB * and bound states in 0(1 + ), 0(2 + ) and 1(2 + ) are obtained for the B * B * system.…”

Section: Introductionsupporting

confidence: 71%

Masses and widths of the exotic molecular $B_{(s)}^{()} B_{(s)}^{()}$ states

Dai,

Oset,

Feijoo

et al. 2022

Preprint

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Section: Introductionsupporting

confidence: 71%

Masses and widths of the exotic molecular $B_{(s)}^{()} B_{(s)}^{()}$ states

Dai,

Oset,

Feijoo

et al. 2022

Preprint

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“…In Ref. [155], the B ( * ) B ( * ) scattering amplitude was explored in the constituent interchange model and the I(J P ) = 0(1 + ) BB * and B * B * bound states together with virtual states with some other quantum numbers were found.…”

Section: Heavy Meson-meson Moleculesmentioning

confidence: 99%

A survey of heavy-heavy hadronic molecules

Dong,

Guo,

Zou

2021

Preprint

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The spectrum of hadronic molecules composed of heavy-antiheavy charmed hadrons has been obtained in our previous work. The potentials are constants at the leading order, which are estimated from resonance saturation. The experimental candidates of hadronic molecules, say X(3872), Y (4260), three Pc states and Pcs(4459), fit the spectrum well. The success in describing the pattern of heavy-antiheavy hadronic molecules stimulates us to give more predictions for the heavy-heavy cases, which are less discussed in literature than the heavy-antiheavy ones. Given that the heavyantiheavy hadronic molecules, several of which have strong experimental evidence, emerge from the dominant constant interaction from resonance saturation, we find that the existence of many heavyheavy hadronic molecules is natural. Among these predicted heavy-heavy states we highlight the DD * molecule and the D ( * ) Σ ( * ) c molecules, which are the partners of the famous X(3872) and Pc states. Quite recently, LHCb collaboration reported a doubly charmed tetraquark state, Tcc, which is in line with our results for the DD * molecule. With the first experimental signal of this new kind of exotic states, the upcoming update of the LHCb experiment as well as other experiments will provide more chances of observing the heavy-heavy hadronic molecules.

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“…In Ref. [43], possibleB ( * )B( * ) molecular states were studied in a constituent interchange model .…”

Section: Introductionmentioning

confidence: 99%

Molecular states from $$D^{()}{\bar{D}}^{()}/B^{()}{\bar{B}}^{()}$$ and $$D^{()}D^{()}/{\bar{B}}^{()}{\bar{B}}^{()}$$ interactions

Ding

Jiang

2020

Eur. Phys. J. C

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In this work, we preform a systematic investigation about hidden heavy and doubly heavy molecular states from the $$D^{(*)}{\bar{D}}^{(*)}/B^{(*)}{\bar{B}}^{(*)}$$ D ( ∗ ) D ¯ ( ∗ ) / B ( ∗ ) B ¯ ( ∗ ) and $$D^{(*)}D^{(*)}/{\bar{B}}^{(*)}{\bar{B}}^{(*)}$$ D ( ∗ ) D ( ∗ ) / B ¯ ( ∗ ) B ¯ ( ∗ ) interactions in the quasipotential Bethe–Salpeter equation (qBSE) approach. With the help of Lagrangians with heavy quark and chiral symmetries, interaction potentials are constructed within the one-boson-exchange model in which we include the $$\pi $$ π , $$\eta $$ η , $$\rho $$ ρ , $$\omega $$ ω and $$\sigma $$ σ exchanges, as well as $$J/\psi $$ J / ψ or $$\varUpsilon $$ Υ exchange. Possible bound states from the interactions considered are searched for as the pole of scattering amplitude. The results suggest that experimentally observed states, $$Z_c(3900)$$ Z c ( 3900 ) , $$Z_c(4020)$$ Z c ( 4020 ) , $$Z_b(10610)$$ Z b ( 10610 ) , and $$Z_b(10650)$$ Z b ( 10650 ) , can be related to the $$D{\bar{D}}^{*}$$ D D ¯ ∗ , $$D^*{\bar{D}}^{*}$$ D ∗ D ¯ ∗ , $$B{\bar{B}}^{*}$$ B B ¯ ∗ , and $$B^*{\bar{B}}^{*}$$ B ∗ B ¯ ∗ interactions with quantum numbers $$I^G(J^P)=1^+(1^{+})$$ I G ( J P ) = 1 + ( 1 + ) , respectively. The $$D{\bar{D}}^{*}$$ D D ¯ ∗ interaction is also attractive enough to produce a pole with $$0^+(0^+)$$ 0 + ( 0 + ) which is related to the X(3872). Within the same theoretical frame, the existence of $$D{\bar{D}}$$ D D ¯ and $$B{\bar{B}}$$ B B ¯ molecular states with $$0(0^+)$$ 0 ( 0 + ) are predicted. The possible $$D^*{\bar{D}}^*$$ D ∗ D ¯ ∗ molecular states with $$0(0^+, 1^+, 2^+)$$ 0 ( 0 + , 1 + , 2 + ) and $$1(0^+)$$ 1 ( 0 + ) and their bottom partners are also suggested by the calculation. In the doubly heavy sector, no bound state is produced from the $$DD/{\bar{B}}{\bar{B}}$$ D D / B ¯ B ¯ interaction while a bound state is found with $$0(1^+)$$ 0 ( 1 + ) from $$DD^*/{\bar{B}}{\bar{B}}^*$$ D D ∗ / B ¯ B ¯ ∗ interaction. The $$D^*D^*/{\bar{B}}^*{\bar{B}}^*$$ D ∗ D ∗ / B ¯ ∗ B ¯ ∗ interaction produces three molecular states with $$0(1^+)$$ 0 ( 1 + ) , $$0(2^+)$$ 0 ( 2 + ) and $$1(2^+)$$ 1 ( 2 + ) .

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Possible molecular states in B()B() scatterings

Cited by 16 publications

References 40 publications

Masses and widths of the exotic molecular $B_{(s)}^{()} B_{(s)}^{()}$ states

Masses and widths of the exotic molecular $B_{(s)}^{()} B_{(s)}^{()}$ states

A survey of heavy-heavy hadronic molecules

Molecular states from $$D^{()}{\bar{D}}^{()}/B^{()}{\bar{B}}^{()}$$ and $$D^{()}D^{()}/{\bar{B}}^{()}{\bar{B}}^{()}$$ interactions

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Possible molecular states in B(*)B(*) scatterings

Cited by 16 publications

References 40 publications

Masses and widths of the exotic molecular $B_{(s)}^{(*)} B_{(s)}^{(*)}$ states

Masses and widths of the exotic molecular $B_{(s)}^{(*)} B_{(s)}^{(*)}$ states

A survey of heavy-heavy hadronic molecules

Molecular states from $$D^{(*)}{\bar{D}}^{(*)}/B^{(*)}{\bar{B}}^{(*)}$$ and $$D^{(*)}D^{(*)}/{\bar{B}}^{(*)}{\bar{B}}^{(*)}$$ interactions

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Product

Resources

About

Possible molecular states in B()B() scatterings

Masses and widths of the exotic molecular $B_{(s)}^{()} B_{(s)}^{()}$ states

Masses and widths of the exotic molecular $B_{(s)}^{()} B_{(s)}^{()}$ states

Molecular states from $$D^{()}{\bar{D}}^{()}/B^{()}{\bar{B}}^{()}$$ and $$D^{()}D^{()}/{\bar{B}}^{()}{\bar{B}}^{()}$$ interactions