Phys. Rev. D 71, 095013 (2005) [8 pages]

Grand unified theory based on the SU(6) symmetry

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A. Hartanto^1,* and L. T. Handoko^1,2,†
¹Department of Physics, University of Indonesia, Kampus UI Depok, Depok 16424, Indonesia
²Group for Theoretical and Computational Physics, Research Center for Physics, Indonesian Institute of Sciences, Kompleks Puspiptek Serpong, Tangerang 15310, Indonesia

Received 20 February 2005; published 27 May 2005

We present a complete set of generators for the rank 5 special unitary group, SU(6), to unify strong, weak and electromagnetic interactions. The unification is realized through the breaking pattern of SU(6)→SU(3)_C⊗SU(3)_H⊗U(1)_C followed by SU(3)_H→SU(2)_L⊗U(1)_B. All known elementary particles and its quantum numbers are well accommodated in its {6} and {15} multiplets. These multiplets require a new neutral fermion which should be assigned as the heavy Majorana neutrino to realize the seesaw mechanism naturally.

URL:

http://link.aps.org/doi/10.1103/PhysRevD.71.095013

DOI:

10.1103/PhysRevD.71.095013

PACS:

12.10.Dm, 11.30.−j, 12.60.Cn

^*Electronic address: andreashartanto@cbn.net.id

^†Electronic address: handoko@lipi.go.id, handoko@fisika.lipi.go.id, handoko@fisika.ui.ac.id

^‡http://www.fisika.ui.ac.id

^§http://www.fisika.lipi.go.id

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Phys. Rev. D 71, 095013 (2005) [8 pages]

Grand unified theory based on the SU(6) symmetry