On the origin of families of quarks and leptons - predictions for four families

Details On the origin of families of quarks and leptons - predictions for four families On the origin of families of quarks and leptons - predictions for four families

2007-08-21

arxiv.org/abs/0708.2846v1

NewJ.Phys.10:093002,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages,revtex

Scientific paper

10.1088/1367-2630/10/9/093002

The approach unifying all the internal degrees of freedom--proposed by one of us--is offering a new way of understanding families of quarks and leptons: A part of the starting Lagrange density in d(=1+13), which includes two kinds of spin connection fields--the gauge fields of two types of Clifford algebra objects--transforms the right handed quarks and leptons into the left handed ones manifesting in d=1+3 the Yukawa couplings of the Standard model. We study the influence of the way of breaking symmetries on the Yukawa couplings and estimate properties of the fourth family--the quark masses and the mixing matrix, investigating the possibility that the fourth family of quarks and leptons appears at low enough energies to be observable with the new generation of accelerators.

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