Supersymmetric contributions to B0−B0 and K0−K0 mixings
作者： G.C. Branco , G.C. Cho , Y. Kizukuri , N. Oshimo
DOI: 10.1016/0370-2693(94)90981-4
关键词: Top quark 、 Higgs boson 、 Cabibbo–Kobayashi–Maskawa matrix 、 Mixing (physics) 、 Physics 、 Boson 、 Particle physics 、 Parameter space 、 CP violation 、 Minimal Supersymmetric Standard Model
摘要: Abstract We show that in the supersymmetric standard model (SSM) box diagrams mediated by charginos and up-type squarks may give large contributions to B 0 − K mixings. This is due fact a heavy top quark mass allows differences among squarks, which leads less efficient cancellation different squark diagrams. If ratio of vacuum expectation values Higgs bosons order unity, charged also contribute appreciably. For sizable regions SSM parameter space, could be sufficiently affect significantly evaluation CKM matrix from experimental mixing xd CP violation ϵ.
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