The coupling of the lightest SUSY Higgs boson to two photons in the decoupling regime A. Djouadi, V. Driesen, W. Hollik and J. I. Illana Eur. Phys. J. C, 1 1-2 (1998) 149-162 Published online: 27 February 2005 DOI: 10.1007/BF01245805