Collective 2+ 1 excitations in 206Po and 208,210Rn T. Grahn, J. Pakarinen, L. Jokiniemi, M. Albers, K. Auranen, C. Bauer, C. Bernards, A. Blazhev, P. A. Butler, S. Bönig et al. (41 more) Eur. Phys. J. A, 52 11 (2016) 340 Published online: 22 November 2016 DOI: 10.1140/epja/i2016-16340-6