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SUMMARY:Improvement of boson mass resolution by correction for final state
  radiation in the CEPC detector
DTSTART;VALUE=DATE-TIME:20261030T074500Z
DTEND;VALUE=DATE-TIME:20261030T080000Z
DTSTAMP;VALUE=DATE-TIME:20261105T013339Z
UID:indico-contribution-6181@cern.ch
DESCRIPTION:Speakers: Taisiia Popova ()\nIn different analyses of higgsstr
 ahlung process at CEPC\, the final states with leptons from Z boson decays
  provide a very clean environment for studies of Higgs boson parameters. W
 hile the channel $Z\\rightarrow \\mu^+ \\mu^-$ is the most precise\, the c
 hannel $Z\\rightarrow e^+e^-$ suffers from final state radiation losses. I
 n the proposed CEPC detector designed for the application of Particle Flow
  approach\, momenta of charged particles are reconstructed from the tracke
 r\, while an energy of gammas $-$ from the electromagnetic calorimeter. In
  this study\, the impact of electromagnetic calorimeter resolution on the 
 correction for final state radiation is estimated. It is demonstrated that
  the correction of electron energy for final state radiation in the CEPC d
 etector can improve the boson mass resolution by about a factor of two and
  make it comparable with that without radiation.\n\nhttps://indico.particl
 e.mephi.ru/event/626/contributions/6181/
LOCATION: Conference Hall 2
URL:https://indico.particle.mephi.ru/event/626/contributions/6181/
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