# Adler's Zero Condition and a Minimally Symmetric Higgs Boson.

- Institution: CERN
- Department: Particle and Astro-Particle Physics Seminars
- Speaker: Ian Low
- Year: 2015
- Language: English
- Subjects: Physics
- Source: [CERN](https://videos.cern.ch/record/3000865)
- Licence: [CERN](http://copyright.web.cern.ch)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Long ago Coleman, Callan, Wess and Zumino (CCWZ) constructed the nonlinear sigma model lagrangian based on a general coset G/H. I discuss how CCWZ lagrangian can be (re)derived using only IR data, by imposing Adler's zero condition in conjunction with the unbroken symmetry group H. Applying the technique to the case of composite Higgs models allows one to derive a universal lagrangian for all models where the Higgs arises as a pseudo-Nambu-Goldston boson, up to symmetry-breaking effects..

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## Lectures

1. [Adler's Zero Condition and a Minimally Symmetric Higgs Boson.](https://invisiblenetwork.ai/learn/cern/3000865/c07a3b6c653d), 1 h 5 min (CERN's player)