منابع مشابه
Discrete Symmetry and CP Phase of the Quark Mixing Matrix
A simple specific pattern of the two 3×3 quark mass matrices is proposed, resulting in a prediction of the CP phase of the charged-current mixing matrix VCKM , i.e. sin 2φ1(β) = 0.733, which is in remarkable agreement with data, i.e. sin 2φ1 = 0.728± 0.056± 0.023 from Belle and sin 2β = 0.722± 0.040± 0.023 from Babar. This pattern can be maintained by a discrete family symmetry, an example of w...
متن کاملGeneration Permutation Symmetry and the Quark Mixing Matrix
We propose a new discrete symmetry in the generation space of the fundamental fermions, consistent with the observed fermion mass spectrum. In the case of the quarks, the symmetry leads to the unique prediction of a flat CKM matrix at high energy. We explore the possibility that evolution due to quantum corrections leads to the observed hierarchical form of the CKM matrix at low energies. To be...
متن کاملUnderlying A 4 Symmetry for the Neutrino Mass Matrix and the Quark Mixing Matrix
The discrete non-Abelian symmetry A4, valid at some high-energy scale, naturally leads to degenerate neutrino masses, without spoiling the hierarchy of charged-lepton masses. Realistic neutrino mass splittings and mixing angles (one of which is necessarily maximal and the other large) are then induced radiatively in the context of softly broken supersymmetry. The quark mixing matrix is also cal...
متن کاملCKM quark - mixing matrix 1 11 . THE CABIBBO - KOBAYASHI - MASKAWA QUARK - MIXING MATRIX
Revised 1999 by F.J. Gilman (Carnegie-Mellon University), K. Kleinknecht and B. Renk (Johannes-Gutenberg Universität Mainz). In the Standard Model with SU(2) × U(1) as the gauge group of electroweak interactions, both the quarks and leptons are assigned to be left-handed doublets and right-handed singlets. The quark mass eigenstates are not the same as the weak eigenstates, and the matrix relat...
متن کاملS-matrix and crossing symmetry
An S-matrix satisying the Yang-Baxter equation with symmetries relevant to the AdS5 × S5 superstring has recently been determined up to an unknown scalar factor. Such scalar factors are typically fixed using crossing relations, however due to the lack of conventional relativistic invariance, in this case its determination remained an open problem. In this paper we propose an algebraic way to im...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physics Letters B
سال: 2016
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2015.12.038