Search for superheavy hydrogen isotopes 6H and 7H in stopped π-absorption reactionsYu. B. Gurov, B. A. Chernyshev, S. V. Isakov, V. S. Karpukhin, S. V. Lapushkin, I. V. Laukhin, V. A. Pechkurov, N. O. Poroshin and V. G. SandukovskyEur. Phys. J. A, 32 3 (2007) 261-266DOI: https://doi.org/10.1140/epja/i2007-10388-3