New β-delayed proton precursor 149Yb near the proton drip line S.-W. Xu, Z.-K. Li, Y.-X. Xie, X.-D. Wang, B. Guo, C.-G. Leng and Y. Yu Eur. Phys. J. A, 12 1 (2001) 1-4 Published online: 15 September 2001 DOI: 10.1007/s100500170032