Higgs as a pseudo-Goldstone boson, the mu problem and gauge-mediated supersymmetry breaking Anna Kamińska and Stéphane Lavignac Eur. Phys. J. C, 71 12 (2011) 1811 Published online: 07 December 2011 DOI: 10.1140/epjc/s10052-011-1811-2