Generation 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 qua...

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Bibliographic Details
Published inPhysics letters. B Vol. 333; no. 3; pp. 471 - 475
Main Authors Harrison, P.F., Scott, W.G.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 04.08.1994
Elsevier Science
Subjects
Electroweak interactions
Exact sciences and technology
General theory of fields and particles
Global symmetries (e.g., baryon number, lepton number)
Global symmetries (eg, baryon number, lepton number)
Physics
Quark and lepton masses and mixing
Specific theories and interaction models; particle systematics
Symmetry and conservation laws
The physics of elementary particles and fields
Quarks
Discrete symmetry
Permutation
Elementary particles
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Summary: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.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(94)90170-8