B - Physics - University of Cincinnati

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$1 Ch. 22 â Reflection and Refraction of Light 22.1 The ... - Physics$

CP asymmetry in B->sss̅̄: sin2φ 1 in SM 4 for B -> J/ψ K s tree (real V ij ) B ∝V cb* V cs c c s J/ψ }Ks mixing+tree well- measured ∝V *2 tb V td2 V cb V * cs s c c J/ψ }Ks identical hadronic processes -> same |A| Phase <strong>of</strong> mixing (V *2 tb V td2 )=2φ 1 , V cb* V cs real -> asym ~ sin 2φ 1 K. Kinoshita BEACH 2008 for b -> ss̅s • similarly, penguin & mixing+penguin - due to loop cancellation, large m t -> ∝V tb* V ts real -> asym ~ sin 2φ 1 - NP w complex phase φ new -> asym ~ sin (2φ 1 ±2φ new )
Average “sin2φ 1 ” from b->s penguins 5 Naïve World Average sin2φ 1 (b->sqq̅)= 0.56 ± 0.05 Compare to cc̅s: sin2φ 1 (b->cc̅s) = 0.680 ± 0.025 K. Kinoshita BEACH 2008 CL = 0.03 (2.2σ) • statistics? • experimental systematics? • theory corrections? • new physics?
Page 1 and 2: Prospects for upgrades of KEKB and
Page 3: Why continue in flavor physics? 3
Page 7 and 8: B + ->τ + ν τ : constraints on c
Page 9 and 10: B D (*) τ ν 9 • Lepton univers
Page 11 and 12: D mixing/CP violation 11 For 75 ab
Page 13 and 14: KEKB track record (although past pe
Page 15 and 16: Crab cavities: as of June 08, L max
Page 17 and 18: (the detector temporarily known as)
Page 19 and 20: Current concepts 19 Drift chamber
Page 21 and 22: Current concepts 21 Electromagnetic
Page 23 and 24: • Official 20 p. report released
Page 25: Summary 25 • B-factories 1999-200

B - Physics - University of Cincinnati

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