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1. Probing the single-particle behavior above Sn-132 via electromagnetic moments of Sb-133,Sb-134 and N=82 isotones

Author

Lechner, S, Xu, ZY, Bissell, ML, Blaum, K, Cheal, B, De Gregorio, G, Devlin, CS, Ruiz, RF Garcia, Gargano, A, Heylen, H, Imgram, P, Kanellakopoulos, A, Koszorus, A, Malbrunot-Ettenauer, S, Neugart, R, Neyens, G, Noertershaeuser, W, Plattner, P, Rodriguez, L, Yang, XF, Yordanov, DT, Lechner, S, Xu, Zy, Bissell, Ml, Blaum, K, Cheal, B, De Gregorio, G, Devlin, C, Ruiz, Rfg, Gargano, A, Heylen, H, Imgram, P, Kanellakopoulos, A, Koszorus, A, Malbrunot-Ettenauer, S, Neugart, R, Neyens, G, Nortershauser, W, Plattner, P, Rodriguez, Lv, Yang, Xf, and Yordanov, Dt

Subjects
MAGNETIC-MOMENTS, Science & Technology, Physics, Nuclear, Physics, Physical Sciences, HYPERFINE-STRUCTURE, ISOTOPES, SB-121, LASER SPECTROSCOPY, QUADRUPOLE-MOMENTS
Abstract

ispartof: PHYSICAL REVIEW C vol:104 issue:1 status: published

Published
2021

2. Probing the single-particle behavior above 132Sn via electromagnetic moments of 133,134Sb and N=82 isotones

Author

Lechner, S., Xu, Z.Y., Bissell, M.L., Blaum, K., Cheal, B., De Gregorio, G., Devlin, C.S., Garcia Ruiz, R.F., Gargano, A., Heylen, H., Imgram, P., Kanellakopoulos, A., Koszorús, Á., Malbrunot-Ettenauer, S., Neugart, R., Neyens, G., Nörtershäuser, W., Plattner, P., Rodríguez, L.V., Yang, X.F., Yordanov, D.T., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), and Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)

Subjects
Nuclear Theory, Nuclear Physics - Experiment, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Präzisionsexperimente - Abteilung Blaum
Abstract

Magnetic and quadrupole moments of the 7/2+ ground state in 133Sb and the (7−) isomer in 134Sb have been measured by collinear laser spectroscopy to investigate the single-particle behavior above the doubly magic nucleus 132Sn. The comparison of experimental data of the 7/2+ states in 133Sb and neighboring N=82 isotones to shell-model calculations reveals the sensitivity of magnetic moments to the splitting of the spin-orbit partners π0g9/2 and π0g7/2 across the proton shell closure at Z=50. In contrast, quadrupole moments of the N=82 isotones are insensitive to cross-shell excitations, but require the full proton model space from Z=50 to 82 for their accurate description. In fact, the linear trend of the quadrupole moment follows approximately the expectation of the seniority scheme when filling the π0g7/2 orbital. As far as the isomer in 134Sb is concerned, its electromagnetic moments can be perfectly described by the additivity rule employing the moments of 133Sb and 133Sn, respectively. These findings agree with shell-model calculations and thus confirm the weak coupling between the valence proton and neutron in 134Sb.

Published
2021
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3. Doubly-magic character of Sn-132 studied via electromagnetic moments of Sn-133

Author

Rodriguez, L, Balabanski, DL, Bissell, ML, Blaum, K, Cheal, B, De Gregorio, G, Ekman, J, Ruiz, RF Garcia, Gargano, A, Georgiev, G, Gins, W, Gorges, C, Heylen, H, Kanellakopoulos, A, Kaufmann, S, Lagaki, V, Lechner, S, Maass, B, Malbrunot-Ettenauer, S, Neugart, R, Neyens, G, Noertershaeuser, W, Sailer, S, Sanchez, R, Schmidt, S, Wehner, L, Wraith, C, Xie, L, Xu, ZY, Yang, XF, Yordanov, DT, Rodriguez, Lv, Balabanski, Dl, Bissell, Ml, Blaum, K, Cheal, B, De Gregorio, G, Ekman, J, Ruiz, Rfg, Gargano, A, Georgiev, G, Gins, W, Gorges, C, Heylen, H, Kanellakopoulos, A, Kaufmann, S, Lagaki, V, Lechner, S, Maass, B, Malbrunot-Ettenauer, S, Neugart, R, Neyens, G, Nortershauser, W, Sailer, S, Sanchez, R, Schmidt, S, Wehner, L, Wraith, C, Xie, L, Xu, Zy, Yang, Xf, and Yordanov, Dt

Subjects
CHARGE RADII, NUMBER, Science & Technology, Physics, Nuclear, BARIUM ISOTOPES, Physics, Physical Sciences, HYPERFINE-STRUCTURE, ISOTOPE SHIFT, R-PROCESS
Abstract

ispartof: PHYSICAL REVIEW C vol:102 issue:5 status: published

Published
2020

4. Doubly-magic character of Sn132 studied via electromagnetic moments of Sn133

Author

Rodríguez, L. V., Balabanski, D. L., Bissell, M. L., Blaum, K., Cheal, B., De Gregorio, G., Ekman, J., Garcia Ruiz, R. F., Gargano, A., Georgiev, G., Gins, W., Gorges, C., Heylen, H., Kanellakopoulos, A., Kaufmann, S., Lagaki, V., Lechner, S., Maaß, B., Malbrunot-Ettenauer, S., Neugart, R., Neyens, G., Nörtershäuser, W., Sailer, S., Sánchez, R., Schmidt, S., Wehner, L., Wraith, C., Xie, L., Xu, Z. Y., Yang, X. F., and Yordanov, D. T.

Subjects
ddc
Published
2019

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