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SUMMARY:Spin-parity assignments of excited $\\Omega_b^-$-baryons in the Qu
 ark-Diquark Model
DTSTART;VALUE=DATE-TIME:20201007T094500Z
DTEND;VALUE=DATE-TIME:20201007T100000Z
DTSTAMP;VALUE=DATE-TIME:20261015T234909Z
UID:indico-contribution-2367@cern.ch
DESCRIPTION:Speakers: Alexander Parkhomenko (P.G.DEmidov Yaroslavl State U
 niversity)\nRecently the LHCb Collaboration reported about the observation
  of four excited states $\\Omega_b (6316)$\, $\\Omega_b (6330)$\, $\\Omega
 _b (6340)$\, and $\\Omega_b (6350)$ in the $\\Xi_b^0 K^-$ invariant mass s
 pectrum. Possible spin-parity assignments of these resonances in the Quark
 -Diquark Model as $P$-wave baryons is discussed and a comparison with theo
 retical predictions based on the heavy-quark symmetry is given. Parameters
  of the effective Hamiltonian used for mass estimations are determined fro
 m the observed spectrum of $\\Omega_b^-$-baryons.\n\nhttps://indico.partic
 le.mephi.ru/event/35/contributions/2367/
LOCATION:Zoom HEP
URL:https://indico.particle.mephi.ru/event/35/contributions/2367/
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