Analysis of the hidden bottom decays of Zb(10610) and Zb(10650) via final state interaction

Analysis of the hidden bottom decays of Zb(10610) and Zb(10650) via final state interaction We study the final-state-interaction contributions to the transitions from the Zb(10610) and Zb(10650) to S-wave bottomonium via π, ρ, and photon emission. Our estimations indicate that the final-state interaction plays important roles in the hidden bottom decays of Zb(10610) and Zb(10650). With this mechanism, the branching ratios of the observed ϒ(nS)π (n=1,2,3) channels could be reproduced and the branching ratios of Zb(10610)/Zb(10650)→ηb(mS)ρ/γ (m=1,2) are predicted, which could be further tested at Belle II in the near future. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Analysis of the hidden bottom decays of Zb(10610) and Zb(10650) via final state interaction

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Analysis of the hidden bottom decays of Zb(10610) and Zb(10650) via final state interaction

Abstract

We study the final-state-interaction contributions to the transitions from the Zb(10610) and Zb(10650) to S-wave bottomonium via π, ρ, and photon emission. Our estimations indicate that the final-state interaction plays important roles in the hidden bottom decays of Zb(10610) and Zb(10650). With this mechanism, the branching ratios of the observed ϒ(nS)π (n=1,2,3) channels could be reproduced and the branching ratios of Zb(10610)/Zb(10650)→ηb(mS)ρ/γ (m=1,2) are predicted, which could be further tested at Belle II in the near future.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.96.014035
Publisher site
See Article on Publisher Site

Abstract

We study the final-state-interaction contributions to the transitions from the Zb(10610) and Zb(10650) to S-wave bottomonium via π, ρ, and photon emission. Our estimations indicate that the final-state interaction plays important roles in the hidden bottom decays of Zb(10610) and Zb(10650). With this mechanism, the branching ratios of the observed ϒ(nS)π (n=1,2,3) channels could be reproduced and the branching ratios of Zb(10610)/Zb(10650)→ηb(mS)ρ/γ (m=1,2) are predicted, which could be further tested at Belle II in the near future.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jul 1, 2017

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