The reaction np → pp π- from threshold up to 570 MeV M. Daum, M. Finger, M. Finger Jr., J. Franz, F.H. Heinsius, A. Janata, K. Königsmann, H. Lacker, F. Lehar, H. Schmitt et al. (3 more) Eur. Phys. J. C, 23 1 (2002) 43-59 Published online: 15 March 2002 DOI: 10.1007/s100520100852