4.7 Article

Selected strong decays of η(2225) and φ(2170) as Λ(Λ)over-bar bound states

Journal

PHYSICAL REVIEW D
Volume 96, Issue 7, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.96.074027

Keywords

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Funding

  1. National Natural Sciences Foundations of China [11475192, 11565007, 11635009, 11705056, 11521505]
  2. Sino-German CRC 110 Symmetries and the Emergence of Structure in QCD project by NSFC [11621131001]
  3. China Postdoctoral Science Foundation [2016M601133]
  4. German Bundesministerium fur Bildung und Forschung (BMBF) [05P2015-ALICE, BMBF-FSP 202]
  5. Tomsk State University Competitiveness Improvement Program
  6. Russian Federation program Nauka [0.1764.GZB.2017]
  7. Tomsk Polytechnic University Competitiveness Enhancement Program [VIU-FTI-72/2017]
  8. Alexander von Humboldt foundation
  9. CONICYT (Chile) [PIA/Basal FB0821]

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The strong decays of the two resonances eta(2225) and phi(2170) are discussed for selected decay channels. The two resonances are considered as the Lambda(Lambda) over bar bound states in the molecular scenario. The phenomenological hadronic molecular approach is employed for the calculation of respective decay modes using effective Lagrangians. Our results show that the decay modes eta(2225) -> K* K and phi(2170) -> KK dominate over the partial decay widths of eta(2225) -> VV(phi phi,omega omega,K* K*) and phi(2170)VS (omega sigma, K*K*(0) (800),phi f(0) f(0)(980) due to phase space and couplings.

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