Excitation strengths in Sn-109: Single-neutron and collective excitations near Sn-100

D. D. DiJulio; J. Cederkall; C. Fahlander; A. Ekstrom; M. Hjorth-Jensen; M. Albers; V. Bildstein; A. Blazhev; I. Darby; T. Davinson; H. De Witte; J. Diriken; Ch. Fransen; K. Geibel; R. Gernhaeuser; A. Gorgen; H. Hess; J. Iwanicki; R. Lutter; P. Reiter; M. Scheck; M. Seidlitz; S. Siem; J. Taprogge; G.M. Tveten; J. Van de Walle; D. Voulot; N. Warr; F. Wenander; K. Wimmer

doi:10.1103/PhysRevC.86.031302

Excitation strengths in Sn-109: Single-neutron and collective excitations near Sn-100

D. D. DiJulio, J. Cederkall, C. Fahlander, A. Ekstrom, M. Hjorth-Jensen, M. Albers, V. Bildstein, A. Blazhev, I. Darby, T. Davinson, H. De Witte, J. Diriken, Ch. Fransen, K. Geibel, R. Gernhaeuser, A. Gorgen, H. Hess, J. Iwanicki, R. Lutter, P. ReiterM. Scheck, M. Seidlitz, S. Siem, J. Taprogge, G.M. Tveten, J. Van de Walle, D. Voulot, N. Warr, F. Wenander, K. Wimmer

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Abstract

A set of B(E2) values for the low-lying excited states in the radioactive isotope
109Sn were deduced from a Coulomb excitation experiment. The 2.87-MeV/u
radioactive beam was produced at the REX-ISOLDE facility at CERN and was incident on a secondary 58Ni target. The B(E2) values were determined using the known 2+→0+ reduced transition probability in 58 Ni as normalization with the semiclassical Coulomb excitation code gosia2. The transition probabilities are compared to shell-model calculations based on a realistic nucleon-nucleon interaction and the predictions of a simple core-excitation model. This measurement represents the first determination of multiple B(E2)
values in a light Sn nucleus using the Coulomb excitation technique with low-energy radioactive beams. The results provide constraints for the single-neutron states relative to 100Sn and also indicate the importance of both single-neutron and collective excitations in the light Sn isotopes.

Original language	English
Article number	031302
Journal	Physical Review C
Volume	86
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.86.031302
Publication status	Published - Sept 2012
Externally published	Yes

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DiJulio, D. D., Cederkall, J., Fahlander, C., Ekstrom, A., Hjorth-Jensen, M., Albers, M., Bildstein, V., Blazhev, A., Darby, I., Davinson, T., De Witte, H., Diriken, J., Fransen, C., Geibel, K., Gernhaeuser, R., Gorgen, A., Hess, H., Iwanicki, J., Lutter, R., ... Wimmer, K. (2012). Excitation strengths in Sn-109: Single-neutron and collective excitations near Sn-100. Physical Review C, 86(3), Article 031302. https://doi.org/10.1103/PhysRevC.86.031302

@article{14bce7897e85422094dab550f007b314,

title = "Excitation strengths in Sn-109: Single-neutron and collective excitations near Sn-100",

abstract = "A set of B(E2) values for the low-lying excited states in the radioactive isotope 109Sn were deduced from a Coulomb excitation experiment. The 2.87-MeV/u radioactive beam was produced at the REX-ISOLDE facility at CERN and was incident on a secondary 58Ni target. The B(E2) values were determined using the known 2+→0+ reduced transition probability in 58 Ni as normalization with the semiclassical Coulomb excitation code gosia2. The transition probabilities are compared to shell-model calculations based on a realistic nucleon-nucleon interaction and the predictions of a simple core-excitation model. This measurement represents the first determination of multiple B(E2)values in a light Sn nucleus using the Coulomb excitation technique with low-energy radioactive beams. The results provide constraints for the single-neutron states relative to 100Sn and also indicate the importance of both single-neutron and collective excitations in the light Sn isotopes.",

author = "DiJulio, {D. D.} and J. Cederkall and C. Fahlander and A. Ekstrom and M. Hjorth-Jensen and M. Albers and V. Bildstein and A. Blazhev and I. Darby and T. Davinson and {De Witte}, H. and J. Diriken and Ch. Fransen and K. Geibel and R. Gernhaeuser and A. Gorgen and H. Hess and J. Iwanicki and R. Lutter and P. Reiter and M. Scheck and M. Seidlitz and S. Siem and J. Taprogge and G.M. Tveten and {Van de Walle}, J. and D. Voulot and N. Warr and F. Wenander and K. Wimmer",

year = "2012",

month = sep,

doi = "10.1103/PhysRevC.86.031302",

language = "English",

volume = "86",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "3",

}

DiJulio, DD, Cederkall, J, Fahlander, C, Ekstrom, A, Hjorth-Jensen, M, Albers, M, Bildstein, V, Blazhev, A, Darby, I, Davinson, T, De Witte, H, Diriken, J, Fransen, C, Geibel, K, Gernhaeuser, R, Gorgen, A, Hess, H, Iwanicki, J, Lutter, R, Reiter, P, Scheck, M, Seidlitz, M, Siem, S, Taprogge, J, Tveten, GM, Van de Walle, J, Voulot, D, Warr, N, Wenander, F & Wimmer, K 2012, 'Excitation strengths in Sn-109: Single-neutron and collective excitations near Sn-100', Physical Review C, vol. 86, no. 3, 031302. https://doi.org/10.1103/PhysRevC.86.031302

TY - JOUR

T1 - Excitation strengths in Sn-109

T2 - Single-neutron and collective excitations near Sn-100

AU - DiJulio, D. D.

AU - Cederkall, J.

AU - Fahlander, C.

AU - Ekstrom, A.

AU - Hjorth-Jensen, M.

AU - Albers, M.

AU - Bildstein, V.

AU - Blazhev, A.

AU - Darby, I.

AU - Davinson, T.

AU - De Witte, H.

AU - Diriken, J.

AU - Fransen, Ch.

AU - Geibel, K.

AU - Gernhaeuser, R.

AU - Gorgen, A.

AU - Hess, H.

AU - Iwanicki, J.

AU - Lutter, R.

AU - Reiter, P.

AU - Scheck, M.

AU - Seidlitz, M.

AU - Siem, S.

AU - Taprogge, J.

AU - Tveten, G.M.

AU - Van de Walle, J.

AU - Voulot, D.

AU - Warr, N.

AU - Wenander, F.

AU - Wimmer, K.

PY - 2012/9

Y1 - 2012/9

N2 - A set of B(E2) values for the low-lying excited states in the radioactive isotope 109Sn were deduced from a Coulomb excitation experiment. The 2.87-MeV/u radioactive beam was produced at the REX-ISOLDE facility at CERN and was incident on a secondary 58Ni target. The B(E2) values were determined using the known 2+→0+ reduced transition probability in 58 Ni as normalization with the semiclassical Coulomb excitation code gosia2. The transition probabilities are compared to shell-model calculations based on a realistic nucleon-nucleon interaction and the predictions of a simple core-excitation model. This measurement represents the first determination of multiple B(E2)values in a light Sn nucleus using the Coulomb excitation technique with low-energy radioactive beams. The results provide constraints for the single-neutron states relative to 100Sn and also indicate the importance of both single-neutron and collective excitations in the light Sn isotopes.

AB - A set of B(E2) values for the low-lying excited states in the radioactive isotope 109Sn were deduced from a Coulomb excitation experiment. The 2.87-MeV/u radioactive beam was produced at the REX-ISOLDE facility at CERN and was incident on a secondary 58Ni target. The B(E2) values were determined using the known 2+→0+ reduced transition probability in 58 Ni as normalization with the semiclassical Coulomb excitation code gosia2. The transition probabilities are compared to shell-model calculations based on a realistic nucleon-nucleon interaction and the predictions of a simple core-excitation model. This measurement represents the first determination of multiple B(E2)values in a light Sn nucleus using the Coulomb excitation technique with low-energy radioactive beams. The results provide constraints for the single-neutron states relative to 100Sn and also indicate the importance of both single-neutron and collective excitations in the light Sn isotopes.

U2 - 10.1103/PhysRevC.86.031302

DO - 10.1103/PhysRevC.86.031302

M3 - Article

SN - 2469-9985

VL - 86

JO - Physical Review C

JF - Physical Review C

IS - 3

M1 - 031302

ER -

Excitation strengths in Sn-109: Single-neutron and collective excitations near Sn-100

Abstract

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