Comparative studies for different proximity potentials applied to sub-barrier fusion reactions G. L. Zhang, W. W. Qu, M. F. Guo, H. Q. Zhang, R. Wolski and J. Q. Qian Eur. Phys. J. A, 52 2 (2016) 39 Published online: 26 February 2016 DOI: 10.1140/epja/i2016-16039-8