A.I. Sanda Nagoya University Nagoya Japan FPCP2004 Daegu, KOREA

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Very impressive It will get even better! ψK S asymmetry KM mechanism is correct description of CP violation at low energies!

Transcript of A.I. Sanda Nagoya University Nagoya Japan FPCP2004 Daegu, KOREA

  • I. Sanda

    Nagoya UniversityNagoya JapanFPCP2004Daegu, KOREA

  • A partial list of things that interested me

  • Very impressiveIt will get even better!KS asymmetry KM mechanism is correct description of CP violation at low energies!

  • Dramatic sign flip in sin21 with new VDat Belle. While KS value for sin21 is stable with both VD, Monte-Carlo studies supports that there nothing wrong, it is hard for me to understand.I look forward to Hazumis talk. I hope we can be convinced.)A partial list of things that interested mep.1 KS asymmetry

  • MilkyWayA partial list of things that interested mep.2Why are these different?

    Very useful for NP searchesAs for CPV, my gut feeling is that it must be there!obviously Belle data must come within the circle

    CP asymmetriespQCD predicted itWith correct sign! Keum, Li, AIS

  • A partial list of things that interested mep.3LyraAltairJuly 7

  • A partial list of things that interested mep.4Good news for isospin analysisCP violation should be here too!

  • A partial list of things that interested mep.5BVV polarization measurmentsMust for the new physics searches

  • A partial list of things that interested mep.6Indication of things to expect in the future!

  • A partial list of things that interested mep.Belle

  • A partial list of things that interested mep.Not just limits. A quest for the discovery!

  • Foreword: kaons again?

    In spite of a long history the K system is still a laboratory for the flavour physics, an interferometry system, a repository of all kinds of CP violation and can be a sensitive probe for NP.. Then:

    YES, kaons again! Vincenzo Patera*LNF/INFNA partial list of things that interested mep.10He does not need to apologizeIt is a good sign for FP thatK physics continues after 57 years!

  • KLp0nn@E391a:Run I (2004)Expected sensitivity by Run I: 49x10-10Results from Run I in fall 2004 Requesting Run II in 2005 A dream for a theorist, a nightmare for an experimentalist. All neutral, 2/3 invisible final state: Nothing to nothing A partial list of things that interested mep.11

  • SLAC notationIn honor of Bjorken

  • Fermilab workshop 1988

  • Correct a mistake in the CKM fitter figure

  • Notation

  • Discussions on the market

  • Lets assume that M contains NP. and Mconstraints are removed as they may contain effects of new physicsConstraint from KS asymmetryassume sin2is given by exp.

    KM parameters are not directly related to KS asymmetry

  • If 1
  • Belle hep-ex/0408012

  • 1)KS asymmetry sin 2) determinationFour fold ambiguity in Determining

  • Large 3 solutionIs almost excluded

  • Leave it to Yoshikawa to talk aboutThe importance of EW penguinsAnd other general analysis

  • CP violation in the decay amplitudeBelle+BabarSee Yoshikawas talk for detailsA nave analysisNeglect all r2 terms and annihilation just to illustrate a pointCancellation?

  • pi pi data => C/T = 0.70 e^{i 63^o}Substituting the above C/T into the K pi data, we obtain T/P = 0.16 e^{-25^o i}, P^{ew}/P = 0.26 e^{-70 ^o i} So, it is possible to accommodate all data by increasing only C. See Yoshikawas talk for detailsCharng and Li

  • KSasymmetry

    Standard model predicts equal CP violation for these decay modes

  • I believe that some new physics effect might be there.But not at the level of 50%.It is probably at 1% level.So, precision experiments are needed!

  • Nave factorizationWe expect |A00 |>> |A-- |>> |A++ |

    New physics must show up in BK* asymmetryfL should dominate|f00|>>|f--|>> |f++|3 possibilities

  • This is a nave argument! Non factorizable diagrams ect.

  • If there is NPit should appear here

  • I am not surprised if so called new physics effects went away! Continued search is absolutely necessary.Dont say 1035 , it is not enough! SUPERB with 1043 is strongly encouraged!Many interesting physics to do for many years to come!Lets have fun!

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