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High Energy Physics - Phenomenology

arXiv:hep-ph/0511035 (hep-ph)
[Submitted on 3 Nov 2005 (v1), last revised 5 Apr 2006 (this version, v2)]

Title:Supersymmetric Standard Model from the Heterotic String

Authors:Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev, Michael Ratz
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Abstract: We present a Z_6 orbifold compactification of the E_8xE_8 heterotic string which leads to the (supersymmetric) Standard Model gauge group and matter content. The quarks and leptons appear as three 16-plets of SO(10), whereas the Higgs fields do not form complete SO(10) multiplets. The model has no exotic states at low energies and is consistent with gauge coupling unification. The top quark Yukawa coupling arises from gauge interactions and is of the order of the gauge couplings, whereas the other Yukawa couplings are suppressed.
Comments: 4 pages, 3 figures, v2: minor changes, matches published version in Phys. Rev. Lett
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Report number: DESY 05-222
Cite as: arXiv:hep-ph/0511035
  (or arXiv:hep-ph/0511035v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0511035
Journal reference: Phys.Rev.Lett.96:121602,2006
Related DOI: https://doi.org/10.1103/PhysRevLett.96.121602

Submission history

From: Michael Ratz [view email]
[v1] Thu, 3 Nov 2005 22:04:36 UTC (105 KB)
[v2] Wed, 5 Apr 2006 13:28:29 UTC (84 KB)
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