Threshold corrections of χc(2P) and χb(3P) states and J/ψρ and J/ψω transitions of the X(3872) in a coupled-channel model

Ferretti, J.; Santopinto, E.

doi:10.1016/j.physletb.2018.12.052

Cited by 35 publications

(93 citation statements)

References 60 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Finally, the results of the UQM calculation of Ref. [47] are: Γ UQM X(3872)→J/ψρ = 10 keV , Γ UQM X(3872)→J/ψω = 6 keV . It is worth noting that the ratio between the previous calculated amplitudes,…”

Section: Heavy Quarkonium Strong Decays In the Uqm-based Coupled mentioning

confidence: 96%

“…Some examples include the χ c (2P ) and χ b (3P ) multiplets, which were studied in Ref. [47]. Moreover, a "subtraction" or "renormalization" prescription for the UQM results is introduced [47].…”

Section: A Novel Coupled-channel Approach Based On the Uqm Formamentioning

confidence: 99%

“…[47]. Moreover, a "subtraction" or "renormalization" prescription for the UQM results is introduced [47]. This consists in the substitution of Eq.…”

Section: A Novel Coupled-channel Approach Based On the Uqm Formamentioning

confidence: 99%

“…where ∆ is the only one free parameter for each multiplet. It is defined as the smallest self-energy correction (in terms of absolute value) of a multiplet member [47]. Its importance and impact on the UQM results are clarified by the examples provided below.…”

Section: A Novel Coupled-channel Approach Based On the Uqm Formamentioning

confidence: 99%

“…Below, we briefly discuss a calculation of the J/ψω and J/ψρ hidden-flavor strong decays of the X(3872) in the UQM [47]. In this particular case, the decay width has no contribution associated with the valence component.…”

Section: Heavy Quarkonium Strong Decays In the Uqm-based Coupled mentioning

confidence: 99%

See 4 more Smart Citations

Threshold effects in heavy quarkonium spectroscopy

Ferretti

2019

AIP Conference Proceedings

View full text Add to dashboard Cite

The possible importance of threshold effects in heavy quarkonium spectroscopy is discussed. The starting point is the calculation of the spectrum of heavy quarkonium-like states with selfenergy/threshold corrections. Two different approaches are compared: I) The Unquenched Quark Model (UQM); II) A novel coupled-channel model, based on the UQM formalism. The latter provides a possible solution to the long-standing problem of convergence in UQM calculations; it also makes it possible to distinguish between states which are almost pure quarkonia and exotic states, characterized by non-negligible threshold (or continuum) components in their wave functions. The UQM-based coupled-channel model is used to study the χc(2P ) and χ b (3P ) multiplets: χc(2P )'s are described as charmonium-like states with non-negligible molecular-type components in their wave functions, χ b (3P )'s as almost pure bottomonia. Other possible applications of the UQM and the UQM-based coupled-channel model formalisms to the calculation of other observables, like the strong decay amplitudes, are also discussed.

show abstract

Section: Heavy Quarkonium Strong Decays In the Uqm-based Coupled mentioning

confidence: 96%

Section: A Novel Coupled-channel Approach Based On the Uqm Formamentioning

confidence: 99%

“…[47]. Moreover, a "subtraction" or "renormalization" prescription for the UQM results is introduced [47]. This consists in the substitution of Eq.…”

Section: A Novel Coupled-channel Approach Based On the Uqm Formamentioning

confidence: 99%

Section: A Novel Coupled-channel Approach Based On the Uqm Formamentioning

confidence: 99%

Section: Heavy Quarkonium Strong Decays In the Uqm-based Coupled mentioning

confidence: 99%

See 3 more Smart Citations

Threshold effects in heavy quarkonium spectroscopy

Ferretti

2019

AIP Conference Proceedings

View full text Add to dashboard Cite

show abstract

Hidden-charm and bottom tetra- and pentaquarks with strangeness in the hadro-quarkonium and compact tetraquark models

Ferretti

Santopinto

2020

J. High Energ. Phys.

Self Cite

View full text Add to dashboard Cite

In two recent papers, we used the hadro-quarkonium model to study the properties of hiddencharm and bottom tetraquarks and pentaquarks. Here, we extend the previous results and calculate the masses of heavy-quarkonium-kaon/hyperon systems. We also compute the spectrum of hiddencharm and bottom tetraquarks with strangeness in the compact tetraquark (diquark-antidiquark) model. If heavy-light exotic systems with non-null strangeness content were to be observed experimentally, it might be possible to distinguish among the large variety of available theoretical pictures for tetra-and pentaquark states and, possibly, rule out those which are not compatible with the data. * jacopo.j.ferretti@jyu.fi † santopinto@ge.infn.it FIG. 1: Schematic representation of heavy-light hadroquarkonium (right) and compact tetraquark (left) states. bsbn J P C N [(SD, SD)S, L]J E th [MeV] J P C N [(SD, SD)S, L]J E th [MeV] J P C N [(SD, SD)S, L]J E th [MeV]

show abstract

Effective Degrees of Freedom in Baryon and Meson Spectroscopy

Ferretti

2019

Few-Body Syst

View full text Add to dashboard Cite

Threshold corrections of χc(2P) and χb(3P) states and J/ψρ and J/ψω transitions of the X(3872) in a coupled-channel model

Cited by 35 publications

References 60 publications

Threshold effects in heavy quarkonium spectroscopy

Threshold effects in heavy quarkonium spectroscopy

Hidden-charm and bottom tetra- and pentaquarks with strangeness in the hadro-quarkonium and compact tetraquark models

Effective Degrees of Freedom in Baryon and Meson Spectroscopy

Contact Info

Product

Resources

About