B physics and supersymmetry with general flavor mixing

Ken-ichi Okumura (Tohoku University)

In collaboration with

John Foster and Leszek Roszkowski

hep-ph/0604121, hep-ph/0510422, hep-ph/0506146, hep-ph/0410323

Based on

特定領域「フレーバー物理の新展開」研究会２００９ @ 蒲郡

Plan of talk

Introduction Supersymmetry with general flavor mixing b-s transitions Conclusion

The SM: CKM paradigm

Why Supersymmetry ?SM

S.P.Martin (1997)

MSSM

Supersymmetry doubles flavor

Soft mass

Tri-linear termGaugino mass

Minimal flavor violation (MFV)

Super CKM basis

General Flavor Mixing

Origin of flavor mixing

SUSY

GUT

Large flavor mixing（ MSN matrix)

S.Baek, T.Goto Y.Okada KO (2000)

Ex) Seesaw mechanism

“Probe of GUT scale int.”

Radiative correction

Collider vs flavor physics

mixing

Mass

sp

ect

rum

LHC

Flavor Physics !

Complementary each other

SUSY Lagragian

b →s transitions

NP effects interfere with the SM

Add

MFV

GFM

M.Misiak&M.Steinhauser (2006)

MFV

KO and L.Roszkowski (2001)

Not diagonal !

SUSY

Higgs mediated FCNCNon-holomorphicIntegrate out SUSY particles

:Flavor diagonal

NG

J.Foster, KO, L.Roszkowski (2005)

　

P.Ball and R.Fleischer (2006)

Lattice

CKM angle & side

MFV

All combined : single insertion

CP violation in

CKMfitter UTfit

Conclusion We reported current limits on flavor mixing in b-s

transitions in minimal supersymmetry (beyond leading order+Higgs mediated).

Constraint from Bs mixing is quite severe for RR and RL mixing at moderate-large tanβ （～３０） despite relatively large theoretical uncertainty. 　

Precision measurement of Φ3 + Bs mixing can improve the bound (or find NP) as well as BR(Bs→μμ).

Low tanβ region can be covered by tCPV in radiative decay.

Combined with the spectrum measurement, such a measurement provides a clue to high energy scale.