Collective 2+ 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. Boenig, A. Damvanova, T. De Coster, H. De Witte, J. Elseviers, L. P. Gaffney, M. Huyse, A. Herzan, U. Jakobsson, R. Julin, N. KestelootJ. Konki, Th. Kroell, L. Lewandowski, K. Moschner, P. Peura, M. Pfeiffer, D. Radeck, P. Rahkila, E. Rapisarda, P. Reiter, K. Reynders, M. Ruediger, M. -D. Salsac, S. Sambi, Marcus Scheck, M. Seidlitz, B. Siebeck, T. Steinbach, S. Stolze, J. Suhonen, P. Thoele, M. Thuerauf, N. Warr, P. Van Duppen, M. Venhart, M. J. Vermeulen, V. Werner, M. Veselsky, A. Vogt, K. Wrzosek-Lipska, M. Zielinska

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Abstract

In the present study, B(E2;2+1→0+1)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 2+1→0+121+→01+ transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.
Original languageEnglish
Pages (from-to)340
JournalEUROPEAN PHYSICAL JOURNAL A
Volume52
Early online date22 Nov 2016
DOIs
Publication statusE-pub ahead of print - 22 Nov 2016

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inverse kinematics
nuclei
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Grahn, T., Pakarinen, J., Jokiniemi, L., Albers, M., Auranen, K., Bauer, C., ... Zielinska, M. (2016). Collective 2+ excitations in 206Po and 208.210Rn. EUROPEAN PHYSICAL JOURNAL A, 52, 340. https://doi.org/10.1140/epja/i2016-16340-6
Grahn, T. ; Pakarinen, J. ; Jokiniemi, L. ; Albers, M. ; Auranen, K. ; Bauer, C. ; Bernards, C. ; Blazhev, A. ; Butler, P. A. ; Boenig, S. ; Damvanova, A. ; De Coster, T. ; De Witte, H. ; Elseviers, J. ; Gaffney, L. P. ; 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. ; Ruediger, M. ; Salsac, M. -D. ; Sambi, S. ; Scheck, Marcus ; Seidlitz, M. ; Siebeck, B. ; Steinbach, T. ; Stolze, S. ; Suhonen, J. ; Thoele, P. ; Thuerauf, M. ; Warr, N. ; Van Duppen, P. ; Venhart, M. ; Vermeulen, M. J. ; Werner, V. ; Veselsky, M. ; Vogt, A. ; Wrzosek-Lipska, K. ; Zielinska, M. / Collective 2+ excitations in 206Po and 208.210Rn. In: EUROPEAN PHYSICAL JOURNAL A. 2016 ; Vol. 52. pp. 340.
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title = "Collective 2+ excitations in 206Po and 208.210Rn",
abstract = "In the present study, B(E2;2+1→0+1)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 2+1→0+121+→01+ transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.",
author = "T. Grahn and J. Pakarinen and L. Jokiniemi and M. Albers and K. Auranen and C. Bauer and C. Bernards and A. Blazhev and Butler, {P. A.} and S. Boenig and A. Damvanova and {De Coster}, T. and {De Witte}, H. and J. Elseviers and Gaffney, {L. P.} and M. Huyse and A. Herzan and U. Jakobsson and R. Julin and N. Kesteloot and J. Konki and Th. Kroell and L. Lewandowski and K. Moschner and P. Peura and M. Pfeiffer and D. Radeck and P. Rahkila and E. Rapisarda and P. Reiter and K. Reynders and M. Ruediger and Salsac, {M. -D.} and S. Sambi and Marcus Scheck and M. Seidlitz and B. Siebeck and T. Steinbach and S. Stolze and J. Suhonen and P. Thoele and M. Thuerauf and N. Warr and {Van Duppen}, P. and M. Venhart and Vermeulen, {M. J.} and V. Werner and M. Veselsky and A. Vogt and K. Wrzosek-Lipska and M. Zielinska",
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Grahn, T, Pakarinen, J, Jokiniemi, L, Albers, M, Auranen, K, Bauer, C, Bernards, C, Blazhev, A, Butler, PA, Boenig, S, Damvanova, A, De Coster, T, De Witte, H, Elseviers, J, Gaffney, LP, Huyse, M, Herzan, A, Jakobsson, U, Julin, R, Kesteloot, N, Konki, J, Kroell, T, Lewandowski, L, Moschner, K, Peura, P, Pfeiffer, M, Radeck, D, Rahkila, P, Rapisarda, E, Reiter, P, Reynders, K, Ruediger, 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 & Zielinska, M 2016, 'Collective 2+ excitations in 206Po and 208.210Rn', EUROPEAN PHYSICAL JOURNAL A, vol. 52, pp. 340. https://doi.org/10.1140/epja/i2016-16340-6

Collective 2+ excitations in 206Po and 208.210Rn. / Grahn, T.; Pakarinen, J.; Jokiniemi, L.; Albers, M.; Auranen, K.; Bauer, C.; Bernards, C.; Blazhev, A.; Butler, P. A.; Boenig, S.; Damvanova, A.; De Coster, T.; De Witte, H.; Elseviers, J.; Gaffney, L. P.; 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.; Ruediger, M.; Salsac, M. -D.; Sambi, S.; Scheck, Marcus; Seidlitz, M.; Siebeck, B.; Steinbach, T.; Stolze, S.; Suhonen, J.; Thoele, P.; Thuerauf, M.; Warr, N.; Van Duppen, P.; Venhart, M.; Vermeulen, M. J.; Werner, V.; Veselsky, M.; Vogt, A.; Wrzosek-Lipska, K.; Zielinska, M.

In: EUROPEAN PHYSICAL JOURNAL A, Vol. 52, 22.11.2016, p. 340.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Collective 2+ excitations in 206Po and 208.210Rn

AU - Grahn, T.

AU - Pakarinen, J.

AU - Jokiniemi, L.

AU - Albers, M.

AU - Auranen, K.

AU - Bauer, C.

AU - Bernards, C.

AU - Blazhev, A.

AU - Butler, P. A.

AU - Boenig, S.

AU - Damvanova, A.

AU - De Coster, T.

AU - De Witte, H.

AU - Elseviers, J.

AU - Gaffney, L. P.

AU - Huyse, M.

AU - Herzan, A.

AU - Jakobsson, U.

AU - Julin, R.

AU - Kesteloot, N.

AU - Konki, J.

AU - Kroell, Th.

AU - Lewandowski, L.

AU - Moschner, K.

AU - Peura, P.

AU - Pfeiffer, M.

AU - Radeck, D.

AU - Rahkila, P.

AU - Rapisarda, E.

AU - Reiter, P.

AU - Reynders, K.

AU - Ruediger, M.

AU - Salsac, M. -D.

AU - Sambi, S.

AU - Scheck, Marcus

AU - Seidlitz, M.

AU - Siebeck, B.

AU - Steinbach, T.

AU - Stolze, S.

AU - Suhonen, J.

AU - Thoele, P.

AU - Thuerauf, M.

AU - Warr, N.

AU - Van Duppen, P.

AU - Venhart, M.

AU - Vermeulen, M. J.

AU - Werner, V.

AU - Veselsky, M.

AU - Vogt, A.

AU - Wrzosek-Lipska, K.

AU - Zielinska, M.

N1 - 12 months embargo

PY - 2016/11/22

Y1 - 2016/11/22

N2 - In the present study, B(E2;2+1→0+1)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 2+1→0+121+→01+ transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.

AB - In the present study, B(E2;2+1→0+1)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 2+1→0+121+→01+ transitions. Experimental results have been interpreted with the aid of theoretical studies carried out within the BCS-based QRPA framework.

U2 - 10.1140/epja/i2016-16340-6

DO - 10.1140/epja/i2016-16340-6

M3 - Article

VL - 52

SP - 340

JO - The European Physical Journal A

JF - The European Physical Journal A

SN - 1434-6001

ER -

Grahn T, Pakarinen J, Jokiniemi L, Albers M, Auranen K, Bauer C et al. Collective 2+ excitations in 206Po and 208.210Rn. EUROPEAN PHYSICAL JOURNAL A. 2016 Nov 22;52:340. https://doi.org/10.1140/epja/i2016-16340-6