Parity violation in proton-proton scattering from chiral effective field theory J. de Vries, Ulf-G. Meißner, E. Epelbaum and N. Kaiser Eur. Phys. J. A, 49 11 (2013) 149 Published online: 28 November 2013 DOI: 10.1140/epja/i2013-13149-9