Scales, couplings revisited and low-energy phenomenology in M-theory on S1/Z2 Chao-Shang Huang, Tianjun Li, Wei Liao, Qi-Shu Yan and Shou Hua Zhu Eur. Phys. J. C, 18 2 (2000) 393-403 Published online: 27 November 2000 DOI: 10.1007/s100520000507