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1 LFV in MSSM based on the minimal SO(10) model Amon Ilakovac Department of Theoretical physics University of Zagreb, Croatia

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2 Collaboration Takeshi Fukuyama, Ritsumeikan Univ., Kusatsu, Japan Tatsuru Kikuchi, Ritsumeikan Univ., Kusatsu, Japan

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3 ProcessE.u.b.Reference μ → eγ1.2 x Eidelman [PDG] PLB, 592 (2004) τ → eγ1.1 x Aubert [BaBar], hep-ex/ τ → μγ6.8 x Aubert [Babar], PRL 92, (2004) τ → eπ x Enari [Belle], PLB 622, 218 (2005) τ → μπ x Enari [Belle], PLB 622, 218 (2005) τ → eη2.3 x Enari [Belle], PLB 622, 218 (2005) τ → μη1.3 x Enari [Belle], PLB 622, 218 (2005) τ → eη'10 x Enari [Belle], PLB 622, 218 (2005) τ → μη'4.1 x Enari [Belle], PLB 622, 218 (2005) τ → eρ x Eidelman [PDG] PLB, 592 (2004) τ → μρ x Eidelman [PDG] PLB, 592 (2004) τ → e 6.9 x Eidelman [PDG] PLB, 592 (2004) τ → μ 7.0 x Eidelman [PDG] PLB, 592 (2004) τ → eπ + π x Yusa [Belle], NPB(PS), 144 (2005) τ → μπ + π x Yusa [Belle], NPB(PS), 144 (2005) τ → eK 0 K x Eidelman [PDG] PLB, 592 (2004) τ → μK 0 K x Eidelman [PDG] PLB, 592 (2004) τ → eK + K x Yusa [Belle], NPB(PS), 144 (2005) τ → μK + K x Yusa [Belle], NPB(PS), 144 (2005)

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

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5 SM params. at the M Z scale Neutrino oscillation data MSSM params. mSO(10) structures of the fermion masses YDYD μ sign mSUGRA

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8 Ellis PLB 565, 176 (2003)

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10 BR(μ → eγ)Δa μ,MSSM

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16 Conclusion * SL LFV BRs to small for finding LFV in the model considered * B(τ → μγ) close to the present exp. upper bound

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