Journal
PHYSICS LETTERS B
Volume 726, Issue 1-3, Pages 450-455Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2013.08.039
Keywords
Higgs bosons; Abelian discrete symmetries; Orbifold compactification; Axion
Funding
- National Research Foundation (NRF)
- Korean Government (MEST) [2005-0093841]
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We show that Abelian discrete symmetries Z(N) and Z(nR) from string orbifolds result by assigning vacuum expectation values (VEVs) only to specified singlets. These singlets obtaining VEVs carry the gauge charges (of the covering U(1) gauge group) as multiples of N for Z(N) and n for Z(nR). We explicitly show this realization in a Z(12-I) orbifold model. (C) 2013 Elsevier B.V. All rights reserved.
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