Vacuum alignment with(out) elementary scalars

Preprint number: CP3-Origins-2016-37 DNRF90
Authors: Tommi Alanne (CP3-Origins), Helene Gertov (CP3-Origins), Aurora Meroni (CP3-Origins), and Francesco Sannino (CP3-Origins & DIAS)
External link: arXiv.org

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We systematically elucidate differences and similarities of the vacuum alignment issue in composite and renormalizable elementary extensions of the Standard Model featuring a pseudo-Goldstone Higgs. We also provide general conditions for the stability of the vacuum in the elementary framework, thereby extending previous studies of the vacuum alignment.