7 TABLE IV: The scattering lengths in units of a$_{0}$ (Bohr radius) derived with different long range estimations and compared to earlier values published in 2008. The hyperfine splitting of the isotope $^{87}$Sr is neglected. isotopes C$_{i}$ freely var. recommended C$_{i}$ [15] [10] $^{84}$Sr+$^{84}$Sr 122.58(72) 122.762(92) 122.7(3) 121 to 127 $^{84}$Sr+$^{86}$Sr 31.4(11) 31.65(14) 31.9(3) 30 to 36 $^{84}$Sr+$^{87}$Sr -58.6(43) -57.61(61) -56(1) -64 to -45 $^{84}$Sr+$^{88}$Sr 1561(400) 1658(54) 1790(130) ≥ 1170 or ≤ -1900 $^{86}$Sr+$^{86}$Sr 777(84) 798(12) 823(24) 677 to 1430 $^{86}$Sr+$^{87}$Sr 161.9(15) 162.25(21) 162.5(5) 160 to 171 $^{86}$Sr+$^{88}$Sr 97.24(53) 97.374(69) 97.4(1) 97 to 101 $^{87}$Sr+$^{87}$Sr 96.06(53) 96.198(68) 96.2(1) 95 to 99 $^{87}$Sr+$^{88}$Sr 54.64(73) 54.819(92) 55.0(2) 54 to 58 $^{88}$Sr+$^{88}$Sr -2.5(20) -2.00(27) -1.4(6) -4.8 to 4.5 [7] A.D. Ludlow, T. Zelevinsky, G.K. Campbell, S. Blatt, M.M. Boyd, M.H.G. de Miranda, M.J. Martin, J.W. Thomsen, S.M. Foreman, J. Ye et al., Science 319 , 1805 (2008) [8] T. Zelevinsky, S. Kotochigova, J. Ye, Phys. Rev. Lett. 100 , 043201 (2008) [9] T. Zelevinsky, S. Blatt, M.M. Boyd, G.K. Campbell, A.D. Ludlow, J. Ye, Chem. Phys. Chem. 9 (3), 375 (2008), http://dx.doi.org/10.1002/cphc.200700713 [10] A. Stein, H. Kn¨ ockel, E. Tiemann, Phys. Rev. A 78 , 042508 (2008) [11] G. Gerber, R. M¨ oller, H. Schneider, J. Chem. Phys. 81 , 1538 (1984) [12] J. Mitroy, M.W.J. Bromley, Phys. Rev. A 68 , 052714 (2003) [13] S.G. Porsev, A. Derevianko, J. Exp. Theo. Phys. 102 , 195 (2006) [14] M. Yasuda, T. Kishimoto, M. Takamoto, H. Katori, Phys. Rev. A 73 , 011403(R) (2006) [15] Y.N.M. de Escobar, P.G. Mickelson, P. Pellegrini, S.B. Nagel, A. Traverso, M. Yan, R. Cˆ ot´ e, T.C. Killian, Phys. Rev. A 78 , 062708 (2008) [16] S. Stellmer, M.K. Tey, B. Huang, R. Grimm, F. Schreck, Phys. Rev. Lett. 103 (20), 200401 (2009) [17] Y.N.M. de Escobar, P.G. Mickelson, M. Yan, B.J. De- [18] O. Allard, C. Samuelis, A. Pashov, H. Kn¨ ockel, E. Tie- mann, Eur. Phys. J. D 26 , 155 (2003) [19] A. Stein, A. Pashov, P.F. Staanum, H. Kn¨ ockel, E. Tie- mann, Eur. Phys. J. D 48 , 177 (2008) [20] O. Allard, A. Pashov, H. Kn¨ ockel, E. Tiemann, Phys. Rev. A 66 , 042503 (2002) [21] In [10] this exponent was accidentally called s at some places, and in n others, with always the same meaning. Salvo, S.B. Nagel, T.C. Killian, Phys. Rev. Lett. 103 (20), 200402 (2009) [22] R.J. LeRoy, Can. J. Phys. 52 , 246 (1974) [23] C.C. Lu, T.A. Carlson, F.B. Malik, T.C. Tucker, C.W. Nestor, At. Data Nucl. Data Tables 3 , 1 (1971) [24] C.F. Fischer, At. Data Nucl. Data Tables 4 , 301 (1972) [25] J.F. Stanton, Phys. Rev. A 49 , 1698 (1994) [26] S.G. Porsev, A. Derevianko, Phys. Rev. A 65 , 020701(R) (2002) [27] N.A. Lima, M.J. Caldas, Phys. Rev. B 72 , 033109 (2005) [28] The value is an average of the C$_{8}$ coefficients from [12] and [13]. [29] R.J. LeRoy, N.S. Dattani, J.A. Coxon, A.J. Ross, P. Crozet, C. Linton, J. Chem. Phys. 131 , 204309 (2009) [30] K. Bergmann, H. Theuer, B.W. Shore, Rev. Mod. Phys. 70 , 1003 (1998)