Nuclear effects in protonium formation low-energy three-body reaction: p̄ + (pμ)1s → (p̄p)α + μ−: Strong p̄–p interaction in p̄ + (pμ)1sRenat A. Sultanov and Dennis GusterEPJ Web of Conferences, 122 (2016) 09004DOI: https://doi.org/10.1051/epjconf/201612209004