Journal
PHYSICS LETTERS B
Volume 705, Issue 4, Pages 369-374Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2011.10.050
Keywords
Z ' gauge bosons; Kinetic mixing; Hidden sector; Dark matter; Flavor symmetries
Funding
- ERC
- DFG
- IMPRS-PTFS
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We present the possible mixing effects associated with the low-energy limit of a Standard-Model extension by two abelian gauge groups U(1)(1) x U(1)(2). We derive general formulae and approximate expressions that connect the gauge eigenstates to the mass eigenstates. Applications using the well-studied groups 0(1)(B), U(1)(B-L). 0(1)(L alpha-L beta) (L-alpha being lepton flavor numbers), and U(1)(DM) (a symmetry acting only on the dark matter sector) are discussed briefly. (C) 2011 Elsevier B.V. All rights reserved.
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