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LFV in MSSM based on the minimal SO(10) model

Amon IlakovacDepartment of Theoretical physicsUniversity of Zagreb, Croatia

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Collaboration

• Takeshi Fukuyama, Ritsumeikan Univ., Kusatsu, Japan

• Tatsuru Kikuchi, Ritsumeikan Univ., Kusatsu, Japan

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Process E.u.b. Reference

μ → eγ 1.2 x 10-11 Eidelman [PDG] PLB, 592 (2004)

τ → eγ 1.1 x 10-7 Aubert [BaBar], hep-ex/0508012

τ → μγ 6.8 x 10-8 Aubert [Babar], PRL 92, 0401202 (2004)

τ → eπ0 1.9 x 10-7 Enari [Belle], PLB 622, 218 (2005)

τ → μπ0 4.3 x 10-7 Enari [Belle], PLB 622, 218 (2005)

τ → eη 2.3 x 10-7 Enari [Belle], PLB 622, 218 (2005)

τ → μη 1.3 x 10-7 Enari [Belle], PLB 622, 218 (2005)

τ → eη' 10 x 10-7 Enari [Belle], PLB 622, 218 (2005)

τ → μη' 4.1 x 10-7 Enari [Belle], PLB 622, 218 (2005)

τ → eρ0 2.0 x 10-6 Eidelman [PDG] PLB, 592 (2004)

τ → μρ0 6.3 x 10-6 Eidelman [PDG] PLB, 592 (2004)

τ → e 6.9 x 10-6 Eidelman [PDG] PLB, 592 (2004)

τ → μ 7.0 x 10-6 Eidelman [PDG] PLB, 592 (2004)

τ → eπ+π- 8.7 x 10-7 Yusa [Belle], NPB(PS), 144 (2005)

τ → μπ+π- 2.8 x 10-7 Yusa [Belle], NPB(PS), 144 (2005)

τ → eK0K0 2.2 x 10-6 Eidelman [PDG] PLB, 592 (2004)

τ → μK0K0 3.4 x 10-6 Eidelman [PDG] PLB, 592 (2004)

τ → eK+K- 3.0 x 10-7 Yusa [Belle], NPB(PS), 144 (2005)

τ → μK+K- 11.7 x 10-7 Yusa [Belle], NPB(PS), 144 (2005)

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Masiero, PRL 57, 961 (1986)Hisano, PRD 53, 2442 (1996)

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SM params.at the MZ scale

Neutrino oscillationdata

MSSMparams.

mSO(10) structuresof the fermion masses

YD μ signmSUGRA

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EllisPLB 565, 176 (2003)

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BR(μ → eγ) Δaμ,MSSM

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Conclusion

* SL LFV BRs to small for finding LFV in

the model considered

* B(τ → μγ) close to the present exp. upper bound