PoS - Proceedings of Science
Volume 440 - Winter School of Theoretical Physics, Second and Third Training School of COST Action CA18108 "Quantum gravity phenomenology in the multi-messenger approach" (QG-MMSchools) - Second Training School
Effective field theories and the Standard Model extensions
O. Antipin* and J. Bersini
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Pre-published on: September 01, 2023
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These lecture notes on Effective Field Theories (EFTs) cover the basic notions of EFTs from the renormalization group point of view. After a detailed discussion of a simple 1D Ising theory of spins on a circle we construct the Standard Model (SM) Lagrangian using only the known symmetries and the fields content of this model. Various problems of the SM are classified by the dimension of the corresponding operators built from the SM fields. Solutions to these problems are sketched leading to the various extensions of the SM.
DOI: https://doi.org/10.22323/1.440.0001
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