CP violations in the K and B meson systems in the SUSY models with (S3)3flavor symmetry | Zendy

Pyungwon Ko | Zendy; Jae-hyeon Park | Zendy

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CP violations in the K and B meson systems in the SUSY models with (S₃)³flavor symmetry

Author(s) -

Pyungwon Ko,

Jae-hyeon Park

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/09/017

Subject(s) - physics , supersymmetry , particle physics , flavor , meson , b meson , mixing (physics) , branching fraction , cp violation , symmetry (geometry) , d meson , physics beyond the standard model , nuclear physics , quantum mechanics , mathematics , chemistry , geometry , biochemistry

Rare decays of B and K mesons and CP violations thereof are considered inSUSY models with S_3^3 flavor symmetry. SUSY contributions to epsilon_K andepsilon'/epsilon_K can be large, but not to B0 - B0 bar mixing because ofstrong constraint from B -> X_d gamma for (delta^d_{13})_{LR}. Still largedeviations from the SM predictions are possible in the branching ratio for B ->X_d gamma and direct CP violations therein, even if the KM angle gamma is inthe range preferred by the SM CKM fit. Experimental study of B -> X_d gamma isstrongly recommended as a probe for new physics with nontrivial flavorstructure in the (13) mixing.Comment: 14 pages, 4 figure

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