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SUMMARY:Measuring the Bs mixing phase at LHCb - Greig Cowan (University of
  Edinburgh)
DTSTART:20141118T150000Z
DTEND:20141118T160000Z
UID:TALK54440@talks.cam.ac.uk
CONTACT:Nick Barlow
DESCRIPTION:The flavour-tagged\, time-dependent angular analysis of the \n
 Bs -> Jpsi KK channel is a benchmark measurement in the quark-flavour sect
 or as it gives access to several fundamental parameters that describe the 
 Bs meson system.\nThe most important of these observables is the CP-violat
 ing phase\, phi_s\, since it is both precisely predicted in the Standard M
 odel and is sensitive to new degrees of freedom that can modify Bs mixing.
  I will present the latest results from the LHCb experiment on the measure
 ment of phi_s using Bs-> Jpsi KK\, Bs -> Jpsi pipi and \nBs -> DsDs decays
 . Additionally\, a new measurement that limits the size of possible pengui
 n contributions\, which are assumed to be zero in SM predictions\, will be
  discussed.
LOCATION:Rutherford Seminar Room B
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