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SUMMARY:Mixing and CP violation in open-charmed beauty decays - Dr Jordy B
 utter (University of Cambridge)
DTSTART:20231024T100000Z
DTEND:20231024T110000Z
UID:TALK207235@talks.cam.ac.uk
CONTACT:Dr Bill Balunas
DESCRIPTION:Mesons comprising a beauty quark and a strange quark can oscil
 late between particle (Bs) and antiparticle (Bsbar) flavour eigenstates\, 
 with a frequency given by the mass difference between heavy and light mass
  eigenstates\, Δms. Time-dependent CP violation in Bs decays can be studi
 ed using this mixing frequency to obtain the CKM-angle γ. These measureme
 nts show clear quantum interference effects\, making use of the most disti
 nguishing features of the LHCb detector. This seminar discusses the measur
 ements of the Bs mixing-frequency Δms using Bs→Dsπ decays and the CKM-
 angle γ using Bs→DsK decays. These quantities are measured using a data
  set corresponding to an integrated luminosity of 6fb-1 at a centre-of-mas
 s energy of √s=13TeV recorded with the LHCb detector between 2015 and 20
 18.
LOCATION:Ryle Seminar Room
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