Collective 2₁<SUP>+</SUP> excitations in <SUP>206</SUP>Po and <SUP>208,210</SUP>Rn

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Grahn, T, Pakarinen, J, Jokiniemi, L, Albers, M, Auranen, K, Bauer, C, Bernards, C, Blazhev, A, Butler, PA ORCID: 0000-0001-6080-9205, Boenig, S et al (show 41 more authors) , Damyanova, A, De Coster, T, De Witte, H, Elseviers, J, Gaffney, LP ORCID: 0000-0002-2938-3696, Huyse, M, Herzan, A, Jakobsson, U, Julin, R, Kesteloot, N, Konki, J, Kroell, Th, Lewandowski, L, Moschner, K, Peura, P, Pfeiffer, M, Radeck, D, Rahkila, P, Rapisarda, E, Reiter, P, Reynders, K, Rudiger, M, Salsac, M-D, Sambi, S, Scheck, M, Seidlitz, M, Siebeck, B, Steinbach, T, Stolze, S, Suhonen, J, Thoele, P, Thuerauf, M, Warr, N, Van Duppen, P, Venhart, M, Vermeulen, MJ, Werner, V, Veselsky, M, Vogt, A, Wrzosek-Lipska, K and Zielinska, M (2016) Collective 2₁<SUP>+</SUP> excitations in <SUP>206</SUP>Po and <SUP>208,210</SUP>Rn. EUROPEAN PHYSICAL JOURNAL A, 52 (11). 340-.

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Abstract

In the present study, B(E2;21+→01+) values have been measured in the 208,210Rn and 206Po nuclei through Coulomb excitation of re-accelerated radioactive beams in inverse kinematics at CERN-ISOLDE. These nuclei have been proposed to lie in, or at the boundary of the region where the seniority scheme should persist. However, contributions from collective excitations are likely to be present when moving away from the N=126 closed shell. Such an effect is confirmed by the observed increased collectivity of the 21+→01+ transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.

Item Type:	Article
Depositing User:	Symplectic Admin
Date Deposited:	13 Jan 2020 08:56
Last Modified:	15 Mar 2024 15:38
DOI:	10.1140/epja/i2016-16340-6
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3070071