Journal
NUCLEAR PHYSICS B
Volume 917, Issue -, Pages 209-233Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysb.2017.02.006
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Funding
- ERC Advanced Grant [267104]
- DFG [1391/2-1]
- DFG cluster of excellence EXC 153 'Origin and Structure of the Universe'
- Munich Institute for Astro- and Particle Physics (MIAPP)
- Alexander von Humboldt Foundation
- European Research Council (ERC) [267104] Funding Source: European Research Council (ERC)
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We consider the Standard Model extended by a heavy scalar singlet in different regions of parameter space and construct the appropriate low-energy effective field theories up to first nontrivial order. This top-down exercise in effective field theory is meant primarily to illustrate with a simple example the systematics of the linear and nonlinear electroweak effective Lagrangians and to clarify the relation between them. We discuss power-counting aspects and the transition between both effective theories on the basis of the model, confirming in all cases the rules and procedures derived in previous works from a bottom-up approach. (C) 2017 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license
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