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  Standard Model Fermions and N=8 supergravity

Meissner, K., & Nicolai, H. (2015). Standard Model Fermions and N=8 supergravity. Physical Review D, 91(6): 065029. doi:10.1103/PhysRevD.91.065029.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-97D0-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-BA5B-F
Genre: Journal Article

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 Creators:
Meissner, Krzysztof1, Author              
Nicolai, Hermann1, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th,High Energy Physics - Phenomenology, hep-ph
 Abstract: In a scheme originally proposed by M. Gell-Mann, and subsequently shown to be realized at the SU(3)xU(1) stationary point of maximal gauged SO(8) supergravity by N. Warner and one of the present authors, the 48 spin 1/2 fermions of the theory remaining after the removal of eight Goldstinos can be identified with the 48 quarks and leptons (including right-chiral neutrinos) of the Standard Model, provided one identifies the residual SU(3) with the diagonal subgroup of the color group SU(3)_c and a family symmetry SU(3)_f. However, there remained a systematic mismatch in the electric charges by a spurion charge of $\pm$1/6. We here identify the `missing' U(1) that rectifies this mismatch, and that takes a surprisingly simple, though unexpected form.

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 Dates: 2014-12-042015
 Publication Status: Published in print
 Pages: 4 pages
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1412.1715
DOI: 10.1103/PhysRevD.91.065029
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 91 (6) Sequence Number: 065029 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258