Abstract
Quantum-gravity effects are expected to be suppressed by the Planck mass. For experimental progress it is therefore important to identify potential signatures from Planck-scale physics that are amenable to ultrahigh-precision tests. It is argued that minuscule violations of Lorentz and CPT symmetry are candidate signals. In addition, theoretical and experimental aspects of the Standard-Model Extension, which describes the emergent low-energy effects, are discussed.
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Lehnert, R. (2004). The Lorentz-Violating Extension of the Standard Model. In: Klapdor-Kleingrothaus, H.V. (eds) Beyond the Desert 2003. Springer Proceedings in Physics, vol 92. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-18534-2_10
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DOI: https://doi.org/10.1007/978-3-642-18534-2_10
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