Proton–proton fusion in new pionless EFT power counting B. Behzadmoghaddam, S. Bayegan and M. Moeini Arani Eur. Phys. J. A, 56 6 (2020) 158 Published online: 03 June 2020 DOI: 10.1140/epja/s10050-020-00166-0