Naturally realized two dark Z's near the electroweak scale

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Title
Naturally realized two dark Z's near the electroweak scale
Author(s)
Jihn E. Kim
Publication Date
2017-09
Journal
PHYSICAL REVIEW D, v.96, no.5, pp.055033 -
Publisher
American Physical Society
Abstract
Chiral representations are the key in obtaining light fermions from some ultra-violet completed theories. The well-known chiral example is one family set of fifteen chiral fields in the standard model. We find a new chiral theory SU(2) dark × U(1) Q with sixteen chiral fields, which does not have any gauge and gravitational anomalies. The group SU(2) dark × U(1) Q may belong to the dark sector, and we present a derivation of the spectrum from the E 8 × E ′ 8 hetrotic string. Necessarily, there appear two degrees at low energy: two dark Z's, or a dark Z plus a dark-photon. Being chiral, there is a chance to probe this theory at TeV accelerators. Since the model belongs to the dark sector, the way to probe it is through the kinetic mixing. © 2017 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/3937
ISSN
2470-0010
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > Journal Papers (저널논문)
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