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SUMMARY:Study of Omega_b baryon decays using Run-3 data from the CMS exper
 iment at the LHC
DTSTART;VALUE=DATE-TIME:20261030T090000Z
DTEND;VALUE=DATE-TIME:20261030T091500Z
DTSTAMP;VALUE=DATE-TIME:20261022T072635Z
UID:indico-contribution-6313@cern.ch
DESCRIPTION:Speakers: Nikita Kozlov (Mephi)\nData collected by the CMS exp
 eriment at the Large Hadron Collider have been analyzed to study the decay
 s of the $\\Omega_b^-$ baryon. More than 300 $\\Omega_b^- \\to \\Omega^- J
 /\\psi$ decay events were reconstructed using proton-proton collision data
  recorded during Run 2(2016-2018) and Run 3(2022-2026) at center-of-mass e
 nergies of $\\sqrt{s} = 13$ TeV and $\\sqrt{s} = 13.6$ TeV\, with integrat
 ed luminosities of 140 $fb^{-1}$ and 309.5 $fb^{-1}$\, respectively. For t
 he first time\, a signal corresponding to the new decay channel $\\Omega_b
 ^-\\to \\Omega^- \\psi(2S)$ has been observed\, and its branching ratio re
 lative to the well-established $\\Omega_b^-\\to \\Omega^- J/\\psi$ decay h
 as been measured.\n\nhttps://indico.particle.mephi.ru/event/626/contributi
 ons/6313/
LOCATION:Sevastopol Hotel
URL:https://indico.particle.mephi.ru/event/626/contributions/6313/
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