== Hidden Abelian Higgs Model ==

=== Authors ===
   * Claude Duhr 
      * IPPP Durham
      * [:mailto:claude.duhr@uclouvain.be:claude.duhr@uclouvain.be] 

=== Description of the model ===
 The Hidden Abelian Higgs Model consists in the standard model extended by a new U(1) gauge symmetry, broken by a new Higgs field. The SM fields are singlets under the new gauge group, and they only couple to the new sector through mixing effects in the gauge and scalar sectors. 
=== References ===
   * J. D. Wells, " ''How to Find a Hidden World at the Large Hadron Collider'',", [arXiv:0803.1243 [hep-ph]] 

=== Model files ===
   * [http://europa.fyma.ucl.ac.be/~duhr/twiki/pub/Main/HiddenAbelianHiggsModel/Hidden.fr Hidden.fr]: This is the main file. 
=== Instructions ===

The model-file is loaded in the usual way.

Feynman gauge is not supported, only unitary gauge is available.