TL;DR
This paper reviews motivations for testing Lorentz symmetry within quantum gravity research, discusses the Standard-Model Extension framework, and explores collider data analyses to constrain potential Lorentz-violating effects.
Contribution
It provides a comprehensive overview of Lorentz-symmetry tests, emphasizing the use of dispersion relations and collider data to constrain quantum-gravity-induced effects.
Findings
Lorentz-symmetry tests are motivated by quantum gravity phenomenology.
The Standard-Model Extension effectively describes low-energy Lorentz-violating effects.
Collider data can be used to place bounds on Lorentz-violating parameters.
Abstract
Some motivations for Lorentz-symmetry tests in the context of quantum-gravity phenomenology are reiterated. The description of the emergent low-energy effects with the Standard-Model Extension (SME) is reviewed. The possibility of constraining such effects with dispersion-relation analyses of collider data is established.
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