Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation

A Deacon; N Bree; K Wrzosek-Lipska; A Petts; A Andreyev; B Bastin; M Bender; A Blazhev; B Bruyneel; PA Butler; J Butterworth; MP Carpenter; Joakim Cederkäll; E Clément; TE Cocolios; J Diriken; Andreas Ekström; C Fitzpatrick; LM Fraile; Ch Fransen; SJ Freeman; LP Gaffney; José Enrique García-Ramos; K Geibel; R Gernhäuser; T Grahn; M Guttormsen; B Hadinia; K Hadyńska-Kle; M Hass; P-H Heenen; R-D Herzberg; H Hess; Kristiaan Heyde; Mark Huyse; O Ivanov; DG Jenkins; R Julin; N Kesteloot; Th Kröll; R Krücken; AC Larsen; R Lutter; P Marley; PJ Napiorkowski; R Orlandi; RD Page; J Pakarinen; N Patronis; PJ Peura; E Piselli; P Rahkila; E Rapisarda; P Reiter; AP Robinson; M Scheck; S Siem; K Singh Chakkal; JF Smith; J Srebrny; I Stefanescu; GM Tveten; Piet Van Duppen; J Van de Walle; D Voulot; N Warr; F Wenander; A Wiens; JL Wood; M Zielińska; Thomas Cocolios; K. Hadyńska-Klȩk; J Cederkaell; R Gernhaeuser; K Hadynska-Klek; R Kruecken; M Zielinska

doi:10.1103/PhysRevLett.112.162701

Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation

A Deacon, N Bree, K Wrzosek-Lipska, A Petts, A Andreyev, B Bastin, M Bender, A Blazhev, B Bruyneel, PA Butler, J Butterworth, MP Carpenter, Joakim Cederkäll, E Clément, TE Cocolios, J Diriken, Andreas Ekström, C Fitzpatrick, LM Fraile, Ch FransenSJ Freeman, LP Gaffney, José Enrique García-Ramos, K Geibel, R Gernhäuser, T Grahn, M Guttormsen, B Hadinia, K Hadyńska-Kle, M Hass, P-H Heenen, R-D Herzberg, H Hess, Kristiaan Heyde, Mark Huyse, O Ivanov, DG Jenkins, R Julin, N Kesteloot, Th Kröll, R Krücken, AC Larsen, R Lutter, P Marley, PJ Napiorkowski, R Orlandi, RD Page, J Pakarinen, N Patronis, PJ Peura, E Piselli, P Rahkila, E Rapisarda, P Reiter, AP Robinson, M Scheck, S Siem, K Singh Chakkal, JF Smith, J Srebrny, I Stefanescu, GM Tveten, Piet Van Duppen, J Van de Walle, D Voulot, N Warr, F Wenander, A Wiens, JL Wood, M Zielińska, Thomas Cocolios, K. Hadyńska-Klȩk, J Cederkaell, R Gernhaeuser, K Hadynska-Klek, R Kruecken, M Zielinska

Research output: Contribution to journal › Article › peer-review

Abstract

Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182−188 were extracted. Information on the deformation of the ground and the first excited 0+ states was deduced using the quadrupole sum rules approach. Results show that the ground state is slightly deformed and of oblate nature, while a larger deformation for the excited 0+ state was noted in Hg182,184. The results are compared to beyond mean field and interacting-boson based models and interpreted within a two-state mixing model. Partial agreement with the model calculations was obtained. The presence of two different structures in the light even-mass mercury isotopes that coexist at low excitation energy is firmly established.

Original language	English
Article number	162701
Journal	Physical Review Letters
Volume	112
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.112.162701
Publication status	Published - 23 Apr 2014

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Deacon, A., Bree, N., Wrzosek-Lipska, K., Petts, A., Andreyev, A., Bastin, B., Bender, M., Blazhev, A., Bruyneel, B., Butler, PA., Butterworth, J., Carpenter, MP., Cederkäll, J., Clément, E., Cocolios, TE., Diriken, J., Ekström, A., Fitzpatrick, C., Fraile, LM., ... Zielinska, M. (2014). Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation. Physical Review Letters, 112(16), Article 162701. https://doi.org/10.1103/PhysRevLett.112.162701

@article{cd0aaae498da4e4db76f2cf67b787657,

title = "Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation",

abstract = "Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182−188 were extracted. Information on the deformation of the ground and the first excited 0+ states was deduced using the quadrupole sum rules approach. Results show that the ground state is slightly deformed and of oblate nature, while a larger deformation for the excited 0+ state was noted in Hg182,184. The results are compared to beyond mean field and interacting-boson based models and interpreted within a two-state mixing model. Partial agreement with the model calculations was obtained. The presence of two different structures in the light even-mass mercury isotopes that coexist at low excitation energy is firmly established.",

author = "A Deacon and N Bree and K Wrzosek-Lipska and A Petts and A Andreyev and B Bastin and M Bender and A Blazhev and B Bruyneel and PA Butler and J Butterworth and MP Carpenter and Joakim Cederk{\"a}ll and E Cl{\'e}ment and TE Cocolios and J Diriken and Andreas Ekstr{\"o}m and C Fitzpatrick and LM Fraile and Ch Fransen and SJ Freeman and LP Gaffney and Garc{\'i}a-Ramos, {Jos{\'e} Enrique} and K Geibel and R Gernh{\"a}user and T Grahn and M Guttormsen and B Hadinia and K Hady{\'n}ska-Kle and M Hass and P-H Heenen and R-D Herzberg and H Hess and Kristiaan Heyde and Mark Huyse and O Ivanov and DG Jenkins and R Julin and N Kesteloot and Th Kr{\"o}ll and R Kr{\"u}cken and AC Larsen and R Lutter and P Marley and PJ Napiorkowski and R Orlandi and RD Page and J Pakarinen and N Patronis and PJ Peura and E Piselli and P Rahkila and E Rapisarda and P Reiter and AP Robinson and M Scheck and S Siem and Chakkal, {K Singh} and JF Smith and J Srebrny and I Stefanescu and GM Tveten and Duppen, {Piet Van} and Walle, {J Van de} and D Voulot and N Warr and F Wenander and A Wiens and JL Wood and M Zieli{\'n}ska and Thomas Cocolios and K. Hady{\'n}ska-Klȩk and J Cederkaell and R Gernhaeuser and K Hadynska-Klek and R Kruecken and M Zielinska",

year = "2014",

month = apr,

day = "23",

doi = "10.1103/PhysRevLett.112.162701",

language = "English",

volume = "112",

journal = "Physical Review Letters",

issn = "1079-7114",

publisher = "American Physical Society",

number = "16",

}

Deacon, A, Bree, N, Wrzosek-Lipska, K, Petts, A, Andreyev, A, Bastin, B, Bender, M, Blazhev, A, Bruyneel, B, Butler, PA, Butterworth, J, Carpenter, MP, Cederkäll, J, Clément, E, Cocolios, TE, Diriken, J, Ekström, A, Fitzpatrick, C, Fraile, LM, Fransen, C, Freeman, SJ, Gaffney, LP, García-Ramos, JE, Geibel, K, Gernhäuser, R, Grahn, T, Guttormsen, M, Hadinia, B, Hadyńska-Kle, K, Hass, M, Heenen, P-H, Herzberg, R-D, Hess, H, Heyde, K, Huyse, M, Ivanov, O, Jenkins, DG, Julin, R, Kesteloot, N, Kröll, T, Krücken, R, Larsen, AC, Lutter, R, Marley, P, Napiorkowski, PJ, Orlandi, R, Page, RD, Pakarinen, J, Patronis, N, Peura, PJ, Piselli, E, Rahkila, P, Rapisarda, E, Reiter, P, Robinson, AP, Scheck, M, Siem, S, Chakkal, KS, Smith, JF, Srebrny, J, Stefanescu, I, Tveten, GM, Duppen, PV, Walle, JVD, Voulot, D, Warr, N, Wenander, F, Wiens, A, Wood, JL, Zielińska, M, Cocolios, T, Hadyńska-Klȩk, K, Cederkaell, J, Gernhaeuser, R, Hadynska-Klek, K, Kruecken, R & Zielinska, M 2014, 'Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation', Physical Review Letters, vol. 112, no. 16, 162701. https://doi.org/10.1103/PhysRevLett.112.162701

TY - JOUR

T1 - Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation

AU - Deacon, A

AU - Bree, N

AU - Wrzosek-Lipska, K

AU - Petts, A

AU - Andreyev, A

AU - Bastin, B

AU - Bender, M

AU - Blazhev, A

AU - Bruyneel, B

AU - Butler, PA

AU - Butterworth, J

AU - Carpenter, MP

AU - Cederkäll, Joakim

AU - Clément, E

AU - Cocolios, TE

AU - Diriken, J

AU - Ekström, Andreas

AU - Fitzpatrick, C

AU - Fraile, LM

AU - Fransen, Ch

AU - Freeman, SJ

AU - Gaffney, LP

AU - García-Ramos, José Enrique

AU - Geibel, K

AU - Gernhäuser, R

AU - Grahn, T

AU - Guttormsen, M

AU - Hadinia, B

AU - Hadyńska-Kle, K

AU - Hass, M

AU - Heenen, P-H

AU - Herzberg, R-D

AU - Hess, H

AU - Heyde, Kristiaan

AU - Huyse, Mark

AU - Ivanov, O

AU - Jenkins, DG

AU - Julin, R

AU - Kesteloot, N

AU - Kröll, Th

AU - Krücken, R

AU - Larsen, AC

AU - Lutter, R

AU - Marley, P

AU - Napiorkowski, PJ

AU - Orlandi, R

AU - Page, RD

AU - Pakarinen, J

AU - Patronis, N

AU - Peura, PJ

AU - Piselli, E

AU - Rahkila, P

AU - Rapisarda, E

AU - Reiter, P

AU - Robinson, AP

AU - Scheck, M

AU - Siem, S

AU - Chakkal, K Singh

AU - Smith, JF

AU - Srebrny, J

AU - Stefanescu, I

AU - Tveten, GM

AU - Duppen, Piet Van

AU - Walle, J Van de

AU - Voulot, D

AU - Warr, N

AU - Wenander, F

AU - Wiens, A

AU - Wood, JL

AU - Zielińska, M

AU - Cocolios, Thomas

AU - Hadyńska-Klȩk, K.

AU - Cederkaell, J

AU - Gernhaeuser, R

AU - Hadynska-Klek, K

AU - Kruecken, R

AU - Zielinska, M

PY - 2014/4/23

Y1 - 2014/4/23

N2 - Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182−188 were extracted. Information on the deformation of the ground and the first excited 0+ states was deduced using the quadrupole sum rules approach. Results show that the ground state is slightly deformed and of oblate nature, while a larger deformation for the excited 0+ state was noted in Hg182,184. The results are compared to beyond mean field and interacting-boson based models and interpreted within a two-state mixing model. Partial agreement with the model calculations was obtained. The presence of two different structures in the light even-mass mercury isotopes that coexist at low excitation energy is firmly established.

AB - Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182−188 were extracted. Information on the deformation of the ground and the first excited 0+ states was deduced using the quadrupole sum rules approach. Results show that the ground state is slightly deformed and of oblate nature, while a larger deformation for the excited 0+ state was noted in Hg182,184. The results are compared to beyond mean field and interacting-boson based models and interpreted within a two-state mixing model. Partial agreement with the model calculations was obtained. The presence of two different structures in the light even-mass mercury isotopes that coexist at low excitation energy is firmly established.

U2 - 10.1103/PhysRevLett.112.162701

DO - 10.1103/PhysRevLett.112.162701

M3 - Article

SN - 1079-7114

VL - 112

JO - Physical Review Letters

JF - Physical Review Letters

IS - 16

M1 - 162701

ER -

Shape Coexistence in the Neutron-Deficient Even-Even Hg 182− 188 Isotopes Studied via Coulomb Excitation

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