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

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Abstract
In the present study, B(E2; 2 + 1 → 0 + 1 ) values have been measured in the 208,210 Rn and 209 Po 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 2 + 1 → 0 + 1 transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.
Keywords
EVEN-EVEN NUCLIDES, TRANSITION-PROBABILITY, INTRUDER STATES, SHELL-MODEL, NUCLEI, FACILITY

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MLA
Grahn, T et al. “Collective 2₁+ Excitations in 206Po and 208,210Rn.” EUROPEAN PHYSICAL JOURNAL A 52.11 (2016): n. pag. Print.
APA
Grahn, T., Pakarinen, J., Jokiniemi, L., Albers, M., Auranen, K., Bauer, C., Bernards, C., et al. (2016). Collective 2₁+ excitations in 206Po and 208,210Rn. EUROPEAN PHYSICAL JOURNAL A, 52(11).
Chicago author-date
Grahn, T, J Pakarinen, L Jokiniemi, M Albers, K Auranen, C Bauer, C Bernards, et al. 2016. “Collective 2₁+ Excitations in 206Po and 208,210Rn.” European Physical Journal A 52 (11).
Chicago author-date (all authors)
Grahn, T, J Pakarinen, L Jokiniemi, M Albers, K Auranen, C Bauer, C Bernards, A Blazhev, PA Butler, S Bönig, A Damyanova, Tim De Coster, H De Witte, J Elseviers, LP Gaffney, M Huyse, A Herzáň, U Jakobsson, R Julin, N Kesteloot, J Konki, Th Kröll, L Lewandowski, K Moschner, P Peura, M Pfeiffer, D Radeck, P Rahkila, E Rapisarda, P Reiter, K Reynders, M Rudiger, M-D Salsac, S Sambi, M Scheck, M Seidlitz, B Siebeck, T Steinbach, S Stolze, J Suhonen, P Thoele, M Thürauf, N Warr, P Van Duppen, M Venhart, MJ Vermeulen, V Werner, M Veselsky, A Vogt, K Wrzosek-Lipska, and M Zielińska. 2016. “Collective 2₁+ Excitations in 206Po and 208,210Rn.” European Physical Journal A 52 (11).
Vancouver
1.
Grahn T, Pakarinen J, Jokiniemi L, Albers M, Auranen K, Bauer C, et al. Collective 2₁+ excitations in 206Po and 208,210Rn. EUROPEAN PHYSICAL JOURNAL A. 2016;52(11).
IEEE
[1]
T. Grahn et al., “Collective 2₁+ excitations in 206Po and 208,210Rn,” EUROPEAN PHYSICAL JOURNAL A, vol. 52, no. 11, 2016.
@article{8548773,
  abstract     = {{In the present study, B(E2; 2 + 1 → 0 + 1 ) values have been measured in the 208,210 Rn and 209 Po 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 2 + 1 → 0 + 1 transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.}},
  articleno    = {{340}},
  author       = {{Grahn, T and Pakarinen, J and Jokiniemi, L and Albers, M and Auranen, K and Bauer, C and Bernards, C and Blazhev, A and Butler, PA and Bönig, S and Damyanova, A and De Coster, Tim and De Witte, H and Elseviers, J and Gaffney, LP and Huyse, M and Herzáň, A and Jakobsson, U and Julin, R and Kesteloot, N and Konki, J and Kröll, Th and Lewandowski, L and Moschner, K and Peura, P and Pfeiffer, M and Radeck, D and Rahkila, P and Rapisarda, E and Reiter, P and Reynders, K and Rudiger, M and Salsac, M-D and Sambi, S and Scheck, M and Seidlitz, M and Siebeck, B and Steinbach, T and Stolze, S and Suhonen, J and Thoele, P and Thürauf, M and Warr, N and Van Duppen, P and Venhart, M and Vermeulen, MJ and Werner, V and Veselsky, M and Vogt, A and Wrzosek-Lipska, K and Zielińska, M}},
  issn         = {{1434-6001}},
  journal      = {{EUROPEAN PHYSICAL JOURNAL A}},
  keywords     = {{EVEN-EVEN NUCLIDES,TRANSITION-PROBABILITY,INTRUDER STATES,SHELL-MODEL,NUCLEI,FACILITY}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{8}},
  title        = {{Collective 2₁⁺ excitations in 206Po and 208,210Rn}},
  url          = {{http://dx.doi.org/10.1140/epja/i2016-16340-6}},
  volume       = {{52}},
  year         = {{2016}},
}

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