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SUMMARY:Exotic hadrons in the decays of vector bottomonia
DTSTART;VALUE=DATE-TIME:20181026T075000Z
DTEND;VALUE=DATE-TIME:20181026T080500Z
DTSTAMP;VALUE=DATE-TIME:20260517T210409Z
UID:indico-contribution-1164@cern.ch
DESCRIPTION:Speakers: Alexey Nefediev (MEPhI)\nLine shapes of the Zb(10610
 ) and Zb(10650) bottomonium-like exotic states produced in the decays of v
 ector bottomonium Upsilon(10860) are analysed. A combined analysis of the 
 existing experimental data in the elastic and inelastic decay channels of 
 Upsilon(10860) is performed within a nonperturbative coupled-channel appro
 ach which complies with the requirements of unitarity and analyticity of t
 he multichannel amplitude. The nature of the Zb states is revealed and the
  parameters of the interaction are extracted from the fit for the data. Th
 e heavy quark spin symmetry is employed then to predict the poles position
  and the line shapes of the spin partners of the Zb states which are expec
 ted to be produced in radiative decays of the vector bottomonia Upsilon(10
 860) and Upsilon(11020).\n\nhttps://indico.particle.mephi.ru/event/22/cont
 ributions/1164/
LOCATION:Hotel Intourist Kolomenskoye 4* Alekseevskiy hall
URL:https://indico.particle.mephi.ru/event/22/contributions/1164/
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