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25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 1 Exp. Sensitivity to CKM Angles References 1)BaBar Physics Book:

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Presentation on theme: "25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 1 Exp. Sensitivity to CKM Angles References 1)BaBar Physics Book:"— Presentation transcript:

1 25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 1 Exp. Sensitivity to CKM Angles References 1)BaBar Physics Book: http://www.slac.stanford.edu/pubs/slacreports/slac-r-504.html 2)Fermilab Run II B-Workshop writeup: http://www-theory.lbl.gov/~ligeti/Brun2/report/drafts/ 3)BTeV Proposal (May 2000): http://www-btev.fnal.gov/public_documents/btev_proposal/index.html 4)“B Decays at the LHC” (1999 LHC SM Workshop): http://pball.home.cern.ch/pball/bdecaypage.html 5)“Present and Future CP Measurements” (UK Phenom. W’kshop 2000) hep-ph/0102159 6)+ various talks Notes  sensitivities for single exp – usually for one year, optimistic numbers used ExpModeStartb-EventsTime [yr] BaBar/Bellee+e-e+e- 1999 32  10 6 1 DCF/DØpp 2001 0.4  10 12 2 (run IIa) BTeVpp 2005/6 0.2  10 12 1 Atlas/CMSpp2006 5  10 12 1 (3yr b-prg) LHCbpp2006? 1  10 12 1

2 25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 2 Review of CKM Angles and Pitfalls    (0,0)(0,1) (,)(,) bs ,Z W t u bc Wu Tree Level Penguin

3 25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 3 sin 2  : B d  J/  K s  Most use J/  l + l -, K s  +  - ExpErrorComments Current0.48 ± 0.16 BaBar/Belle0.12 0.08all B d modes CDF/DØ0.03Run II a BTeV0.025 Atlas/CMS0.015 LHCb0.021

4 25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 4   B d   +  - : Problems with Penguins  a dir,a mix   eff B d   : Dalitz analysis necessary ExpError (a dir, a mix )Comments BaBar/Belle0.29, 0.26 0.18, 0.153 years Atlas/CMS0.11, 0.14 LHCb0.09, 0.07 ExpErrorComments BaBar/Belle0.19, 0.26a dir, a mix 0.11, 0.153 years BTeV7.5 o  - w/ assumed |P/T| LHCb2.5-5 o

5 25 June, 2001 Columbia D0 Snowmass Meeting - H.Evans 5  and Friends ExpMeasModeErrorComments BaBar/Belle sin(  +2  )B d  D *  0.14-0.16 2  (sin 2  )  BdKBdK 10-20 o penguins CDF ,, B d ,KK 8o8o isospin sin(  +  )BsDsKBsDsK 0.4-0.7strong ph BTeV  B 0,–  K  <5 o  BsDsKBsDsK 7o7o  B–D0K–B–D0K– 7.5 o LHC comb ,, B d ,KK 4-7.5 CMS  B s  J/  K s 9o9o LHCb  B d  DK * 4-19 o  B d  D + D - few o very prelim  +2  B d  D *  12 o


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