Collective 2₁⁺ excitations in ²⁰⁶Po and ^208,210Rn

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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 ORCID: 0000-0001-7275-1063, Van Duppen, P, Venhart, M, Vermeulen, MJ, Werner, V, Veselsky, M, Vogt, A, Wrzosek-Lipska, K and Zielinska, M (2016) Collective 2₁⁺ excitations in ²⁰⁶Po and ^208,210Rn EUROPEAN PHYSICAL JOURNAL A, 52 (11). 340-. ISSN 1434-6001, 1434-601X

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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
Uncontrolled Keywords:	5106 Nuclear and Plasma Physics, 5110 Synchrotrons and Accelerators, 51 Physical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	13 Jan 2020 08:56
Last Modified:	16 Jun 2026 16:39
DOI:	10.1140/epja/i2016-16340-6
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3070071
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