Dark gauge bosons: LHC signatures of non-abelian kinetic mixing
Name
1-s2.0-S0370269317303118-main.pdf
Size
433.08 KB
Format
Adobe PDF
Checksum (MD5)
b3b8c557505ddafadb2e652ec8bf90c4
Author(s)
He, Xiao-Gang
Ovanesyan, Grigory
Peng, Tao
Ramsey-Musolf, Michael J.
Arguelles Delgado, Carlos A
Date Issued
July 2017
Journal
Physics Letters B
Publisher
Elsevier
Citation
Argüelles, Carlos A., et al. “Dark Gauge Bosons: LHC Signatures of Non-Abelian Kinetic Mixing.” Physics Letters B, vol. 770, July 2017, pp. 101–07. © 2017 The Authors
Version
Final published version
Abstract
We consider non-abelian kinetic mixing between the Standard Model SU(2)[subscript L] and a dark sector U(1)′ gauge group associated with the presence of a scalar SU(2)[subscript L] triplet. The magnitude of the resulting dark photon coupling ϵ is determined by the ratio of the triplet vacuum expectation value, constrained to by ≲4 GeV by electroweak precision tests, to the scale Λ of the effective theory. The corresponding effective operator Wilson coefficient can be O(1) while accommodating null results for dark photon searches, allowing for a distinctive LHC dark photon phenomenology. After outlining the possible LHC signatures, we illustrate by recasting current ATLAS dark photon results into the non-abelian mixing context.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Terms of Use
Creative Commons Attribution 4.0 International License
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1016/j.physletb.2017.04.037
