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Paper   IPM / Physic / 14921
School of Physics
  Title:   Spectroscopic parameters and decays of the resonance Zb(10610)
  Author(s): 
1.  S.S. Agaev
2.  K. Azizi
3.  H. Sundu
  Status:   Published
  Journal: Eur. Phys. J. C
  Vol.:  77
  Year:  2017
  Pages:   836
  Supported by:  IPM
  Abstract:
The resonance Zb(10610) is investigated as the diquark-antidiquark The mass and current coupling of the resonance Z_b(10610) are evaluated using QCD twopoint sum rule and taking into account the vacuum condensates up to ten dimensions. We study the vertices of the decays Zb → Υ(nS)π. We explore also the vertices Zbhb(mP)π (m=1,2) and calculate the couplings gZb hb(mP and width of the decay channels Zbhb(mP)π. To this end, we calculate the mass and decay constants of the hb(1P) and hb(2P) mesons. The results obtained are compared with experimental data of the Belle Collaboration.

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