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Multi-Higgs Models

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On July 2012, the ATLAS and CMS experiments at CERN reported the discovery of a scalar particle of 126 GeV, consistent with the Standard Model Higgs boson. François Englert and Peter W. Higgs have been awarded the Nobel Prize in Physics 2013 for the development of the symmetry breaking mechanism and its signature particle.

But there is no fundamental reason why there should be only one Higgs. And Multi-Higgs models open up a wonderful new world:

  • the existence of charged scalars;
  • mixing between neutral scalar particles;
  • CP violation in the scalar sector;
  • vacua where charge conservation is broken;
  • substantial contributions to flavour-changing neutral currents;
  • and the possibility of spontaneous CP violation.

These features become extremely relevant in the search for Higgs particles. Thus, Multi-Higgs models provide a very interesting testing ground for physics beyond the Standard Model in the electroweak symmetry breaking sector.

Forty five years after the Higgs particle was first proposed, LHC has started to probe whether there is indeed only one Higgs scalar or, perhaps, more.

This Workshop brings together those interested in the theory and phenomenology of Multi-Higgs models. The program is designed to include talks given by some of the leading experts in the field, and also ample time for discussions and collaboration betweeen researchers. A particular emphasis will be placed on identifying those features of the models testable at the LHC.

This Conference will take place in Lisboa, Portugal, at the Complexo Interdisciplinar da UL, on the 2nd, 3rd, 4th and 5th of September 2014. A map of the location may be found here. The closest subway ("Metro") station is Cidade Universitária, on the Yellow Line.

We would appreciate it if you could divulge the conference poster.

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Page last modified on December 03, 2015, at 10:57 AM EST