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SUMMARY:[NAPP Seminar] Probing CP violation in e+e− production of the Hi
 ggs boson and toponia
DTSTART;VALUE=DATE-TIME:20160526T070000Z
DTEND;VALUE=DATE-TIME:20160526T080000Z
DTSTAMP;VALUE=DATE-TIME:20260801T034040Z
UID:indico-event-11@sshep.snu.ac.kr
DESCRIPTION:* Speaker : Prof. Hiroshi Yokoya (KIAS)\n\n* Abstract : We stu
 dy the CP violation in the Higgs boson and toponia production process at t
 he ILC where the toponia are produced near the threshold. We analytically 
 calculated the density matrix for the production and decay of the toponia.
  Then\, based on it\, we propose three completely independent CP observabl
 es\, which come from the longitudinal-transverse interferences in the azim
 uthal angles of leptons\, and the transverse-transverse interference in th
 eir sum. These three observables are well defined at the ILC\, where the r
 est frame of the toponium can be reconstructed directly. Furthermore\, the
  QCD-strong corrections\, which are important near the threshold region\, 
 are also studied with the approximation of spin-independent QCD-Coulomb po
 tential. While the total cross section is enhanced\, the spin correlations
  predicted in this paper are not affected. I will also include some more s
 tories related to the LHC.\n\nhttps://sshep.snu.ac.kr/event/11/
LOCATION:B56 521
URL:https://sshep.snu.ac.kr/event/11/
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