1 Erratum to: Eur. Phys. J. C (2014) 74:3147 DOI 10.1140/epjc/s10052-014-3147-1

There are several misprints to be corrected.

On page 4, sixth line after Eq. (6): the word “centrality” should be replaced by “head-on”.

On page 6, second paragraph: Fig. 1 should be addressed instead of Fig. 2.

On page 6, last paragraph: Fig. 2 should be addressed instead of Fig. 1.

On page 7, first paragraph: \(\varepsilon _{NN}^{0.40}\) should be given instead of \(\varepsilon _{NN}^{0.20}\).

On page 7, second paragraph, in parentheses: Fig. 1 should be addressed instead of Fig. 2.

On page 7, last paragraph: Fig. 4 should be addressed instead of Fig. 3.

On page 8, first paragraph: Fig. 1 should be addressed instead of Fig. 2.