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Lorentz and CPT violation in the Higgs sector
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Date
2004-07-01
Author
Anderson, DL
Sher, M
Turan, İsmail
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Colladay and Kostelecky have proposed a framework for studying Lorentz and CPT violation in a natural extension of the standard model. Although numerous bounds exist on the Lorentz and CPT violating parameters in the gauge boson and fermion sectors, there are no published bounds on the parameters in the Higgs sector. We determine these bounds. The bounds on the CPT-even asymmetric coefficients arise from the one-loop contributions to the photon propagator, those from the CPT-even symmetric coefficients arise from the equivalent c(munu) coefficients in the fermion sector, and those from the CPT-odd coefficient arise from bounds on the vacuum expectation value of the Z boson.
Subject Keywords
Radio galaxies
,
Spatial anisotropy
,
Spectropolarimetry
,
Limits
,
Invariance
URI
https://hdl.handle.net/11511/39347
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.70.016001
Collections
Department of Physics, Article
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BibTeX
D. Anderson, M. Sher, and İ. Turan, “Lorentz and CPT violation in the Higgs sector,”
PHYSICAL REVIEW D
, vol. 70, no. 1, pp. 0–0, 2004, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39347.