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The physics of the theta-angle for composite extensions of the standard model
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). University of Copenhagen, Denmark.
Number of Authors: 2
2014 (English)In: The European Physical Journal Plus, ISSN 2190-5444, E-ISSN 2190-5444, Vol. 129, no 12, 262Article in journal (Refereed) Published
Abstract [en]

We analyse the theta-angle physics associated to extensions of the standard model of particle interactions featuring new strongly coupled sectors. We start by providing a pedagogical review of the theta-angle physics for Quantum Chromodynamics (QCD) including also the axion properties. We then move to analyse composite extensions of the standard model elucidating the interplay between the new theta-angle with the QCD one. We consider first QCD-like dynamics and then generalise it to consider several kinds of new strongly coupled gauge theories with fermions transforming according to different matter representations. Our analysis is of immediate use for different models of composite Higgs dynamics, composite dark matter and inflation.

Place, publisher, year, edition, pages
2014. Vol. 129, no 12, 262
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-117754DOI: 10.1140/epjp/i2014-14262-4ISI: 000353765600001OAI: oai:DiVA.org:su-117754DiVA: diva2:816653
Available from: 2015-06-03 Created: 2015-06-01 Last updated: 2017-12-04Bibliographically approved

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