Characterization of the shape-staggering effect in mercury nuclei

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Characterization of the shape-staggering effect in mercury nuclei. / Marsh, Bruce A; Day Goodacre, Thomas; Sels, Simon; Tsunoda, Y.; Andel, B.; Andreyev, Andrei N.; Althubiti, N. A.; Atanasov, Dimitar; Barzakh, A. E.; Billowes, J.; Blaum, Klaus; Cocolios, Thomas Elias; James G., Cubiss; Dobaczewski, J.; Farooq-Smith, G.J.; Fedorov, D.V.; Fedosseev, Valentin N.; Flanagan, K.T.; Gaffney, Liam Paul; Ghys, Lars; Huyse, Mark; Kreim, S.; Lunney, David; Lynch, Kara M; Manea, Vladimir; Martinez, Yisel; Molkanov, P.L.; Otsuka, T.; Pastore, A.; Rosenbusch, M.; Rossel, Ralf Erik; Rothe, Sebastian; Schweikhard, Lutz; Seliverstov, Maxim; Spagnoletti, P.; Van Beveren, Celine; Van Duppen, Piet; Veinhard, M.; Elise, Verstraelen; Welker, A.; Wendt, K.; Wienholtz, Frank; Wolf, R.N.; Zadvornaya, Alexandra; Zuber, Kai.

In: Nature Physics, Vol. 14, 01.10.2018, p. 1-6.

Research output: Contribution to journalArticle

Harvard

Marsh, BA, Day Goodacre, T, Sels, S, Tsunoda, Y, Andel, B, Andreyev, AN, Althubiti, NA, Atanasov, D, Barzakh, AE, Billowes, J, Blaum, K, Cocolios, TE, James G., C, Dobaczewski, J, Farooq-Smith, GJ, Fedorov, DV, Fedosseev, VN, Flanagan, KT, Gaffney, LP, Ghys, L, Huyse, M, Kreim, S, Lunney, D, Lynch, KM, Manea, V, Martinez, Y, Molkanov, PL, Otsuka, T, Pastore, A, Rosenbusch, M, Rossel, RE, Rothe, S, Schweikhard, L, Seliverstov, M, Spagnoletti, P, Van Beveren, C, Van Duppen, P, Veinhard, M, Elise, V, Welker, A, Wendt, K, Wienholtz, F, Wolf, RN, Zadvornaya, A & Zuber, K 2018, 'Characterization of the shape-staggering effect in mercury nuclei', Nature Physics, vol. 14, pp. 1-6. https://doi.org/10.1038/s41567-018-0292-8

APA

Marsh, B. A., Day Goodacre, T., Sels, S., Tsunoda, Y., Andel, B., Andreyev, A. N., ... Zuber, K. (2018). Characterization of the shape-staggering effect in mercury nuclei. Nature Physics, 14, 1-6. https://doi.org/10.1038/s41567-018-0292-8

Vancouver

Marsh BA, Day Goodacre T, Sels S, Tsunoda Y, Andel B, Andreyev AN et al. Characterization of the shape-staggering effect in mercury nuclei. Nature Physics. 2018 Oct 1;14:1-6. https://doi.org/10.1038/s41567-018-0292-8

Author

Marsh, Bruce A ; Day Goodacre, Thomas ; Sels, Simon ; Tsunoda, Y. ; Andel, B. ; Andreyev, Andrei N. ; Althubiti, N. A. ; Atanasov, Dimitar ; Barzakh, A. E. ; Billowes, J. ; Blaum, Klaus ; Cocolios, Thomas Elias ; James G., Cubiss ; Dobaczewski, J. ; Farooq-Smith, G.J. ; Fedorov, D.V. ; Fedosseev, Valentin N. ; Flanagan, K.T. ; Gaffney, Liam Paul ; Ghys, Lars ; Huyse, Mark ; Kreim, S. ; Lunney, David ; Lynch, Kara M ; Manea, Vladimir ; Martinez, Yisel ; Molkanov, P.L. ; Otsuka, T. ; Pastore, A. ; Rosenbusch, M. ; Rossel, Ralf Erik ; Rothe, Sebastian ; Schweikhard, Lutz ; Seliverstov, Maxim ; Spagnoletti, P. ; Van Beveren, Celine ; Van Duppen, Piet ; Veinhard, M. ; Elise, Verstraelen ; Welker, A. ; Wendt, K. ; Wienholtz, Frank ; Wolf, R.N. ; Zadvornaya, Alexandra ; Zuber, Kai. / Characterization of the shape-staggering effect in mercury nuclei. In: Nature Physics. 2018 ; Vol. 14. pp. 1-6.

Bibtex - Download

@article{04e133a4b0cb475bbad4e2bb4272cb8f,
title = "Characterization of the shape-staggering effect in mercury nuclei",
abstract = "In rare cases, the removal of a single proton (Z) or neutron (N) from an atomic nucleus leads to a dramatic shape change. These instances are crucial for understanding the components of the nuclear interactions that drive deformation. The mercury isotopes (Z = 80) are a striking example1,2: their close neighbours, the lead isotopes (Z = 82), are spherical and steadily shrink with decreasing N. The even-mass (A = N + Z) mercury isotopes follow this trend. The odd-mass mercury isotopes 181,183,185Hg, however, exhibit noticeably larger charge radii. Due to the experimental difficulties of probing extremely neutron-deficient systems, and the computational complexity of modelling such heavy nuclides, the microscopic origin of this unique shape staggering has remained unclear. Here, by applying resonance ionization spectroscopy, mass spectrometry and nuclear spectroscopy as far as 177Hg, we determine 181Hg as the shape-staggering endpoint. By combining our experimental measurements with Monte Carlo shell model calculations, we conclude that this phenomenon results from the interplay between monopole and quadrupole interactions driving a quantum phase transition, for which we identify the participating orbitals. Although shape staggering in the mercury isotopes is a unique and localized feature in the nuclear chart, it nicely illustrates the concurrence of single-particle and collective degrees of freedom at play in atomic nuclei.",
keywords = "nuclear physics, shape coexistence, laser spectroscopy, ISOLDE experiment",
author = "Marsh, {Bruce A} and {Day Goodacre}, Thomas and Simon Sels and Y. Tsunoda and B. Andel and Andreyev, {Andrei N.} and Althubiti, {N. A.} and Dimitar Atanasov and Barzakh, {A. E.} and J. Billowes and Klaus Blaum and Cocolios, {Thomas Elias} and {James G.}, Cubiss and J. Dobaczewski and G.J. Farooq-Smith and D.V. Fedorov and Fedosseev, {Valentin N.} and K.T. Flanagan and Gaffney, {Liam Paul} and Lars Ghys and Mark Huyse and S. Kreim and David Lunney and Lynch, {Kara M} and Vladimir Manea and Yisel Martinez and P.L. Molkanov and T. Otsuka and A. Pastore and M. Rosenbusch and Rossel, {Ralf Erik} and Sebastian Rothe and Lutz Schweikhard and Maxim Seliverstov and P. Spagnoletti and {Van Beveren}, Celine and {Van Duppen}, Piet and M. Veinhard and Verstraelen Elise and A. Welker and K. Wendt and Frank Wienholtz and R.N. Wolf and Alexandra Zadvornaya and Kai Zuber",
note = "Score=10 - The article is published online, but not yet in a printed issue",
year = "2018",
month = "10",
day = "1",
doi = "10.1038/s41567-018-0292-8",
language = "English",
volume = "14",
pages = "1--6",
journal = "Nature Physics",
issn = "1745-2473",
publisher = "Nature Publishing Group",

}

RIS - Download

TY - JOUR

T1 - Characterization of the shape-staggering effect in mercury nuclei

AU - Marsh, Bruce A

AU - Day Goodacre, Thomas

AU - Sels, Simon

AU - Tsunoda, Y.

AU - Andel, B.

AU - Andreyev, Andrei N.

AU - Althubiti, N. A.

AU - Atanasov, Dimitar

AU - Barzakh, A. E.

AU - Billowes, J.

AU - Blaum, Klaus

AU - Cocolios, Thomas Elias

AU - James G., Cubiss

AU - Dobaczewski, J.

AU - Farooq-Smith, G.J.

AU - Fedorov, D.V.

AU - Fedosseev, Valentin N.

AU - Flanagan, K.T.

AU - Gaffney, Liam Paul

AU - Ghys, Lars

AU - Huyse, Mark

AU - Kreim, S.

AU - Lunney, David

AU - Lynch, Kara M

AU - Manea, Vladimir

AU - Martinez, Yisel

AU - Molkanov, P.L.

AU - Otsuka, T.

AU - Pastore, A.

AU - Rosenbusch, M.

AU - Rossel, Ralf Erik

AU - Rothe, Sebastian

AU - Schweikhard, Lutz

AU - Seliverstov, Maxim

AU - Spagnoletti, P.

AU - Van Beveren, Celine

AU - Van Duppen, Piet

AU - Veinhard, M.

AU - Elise, Verstraelen

AU - Welker, A.

AU - Wendt, K.

AU - Wienholtz, Frank

AU - Wolf, R.N.

AU - Zadvornaya, Alexandra

AU - Zuber, Kai

N1 - Score=10 - The article is published online, but not yet in a printed issue

PY - 2018/10/1

Y1 - 2018/10/1

N2 - In rare cases, the removal of a single proton (Z) or neutron (N) from an atomic nucleus leads to a dramatic shape change. These instances are crucial for understanding the components of the nuclear interactions that drive deformation. The mercury isotopes (Z = 80) are a striking example1,2: their close neighbours, the lead isotopes (Z = 82), are spherical and steadily shrink with decreasing N. The even-mass (A = N + Z) mercury isotopes follow this trend. The odd-mass mercury isotopes 181,183,185Hg, however, exhibit noticeably larger charge radii. Due to the experimental difficulties of probing extremely neutron-deficient systems, and the computational complexity of modelling such heavy nuclides, the microscopic origin of this unique shape staggering has remained unclear. Here, by applying resonance ionization spectroscopy, mass spectrometry and nuclear spectroscopy as far as 177Hg, we determine 181Hg as the shape-staggering endpoint. By combining our experimental measurements with Monte Carlo shell model calculations, we conclude that this phenomenon results from the interplay between monopole and quadrupole interactions driving a quantum phase transition, for which we identify the participating orbitals. Although shape staggering in the mercury isotopes is a unique and localized feature in the nuclear chart, it nicely illustrates the concurrence of single-particle and collective degrees of freedom at play in atomic nuclei.

AB - In rare cases, the removal of a single proton (Z) or neutron (N) from an atomic nucleus leads to a dramatic shape change. These instances are crucial for understanding the components of the nuclear interactions that drive deformation. The mercury isotopes (Z = 80) are a striking example1,2: their close neighbours, the lead isotopes (Z = 82), are spherical and steadily shrink with decreasing N. The even-mass (A = N + Z) mercury isotopes follow this trend. The odd-mass mercury isotopes 181,183,185Hg, however, exhibit noticeably larger charge radii. Due to the experimental difficulties of probing extremely neutron-deficient systems, and the computational complexity of modelling such heavy nuclides, the microscopic origin of this unique shape staggering has remained unclear. Here, by applying resonance ionization spectroscopy, mass spectrometry and nuclear spectroscopy as far as 177Hg, we determine 181Hg as the shape-staggering endpoint. By combining our experimental measurements with Monte Carlo shell model calculations, we conclude that this phenomenon results from the interplay between monopole and quadrupole interactions driving a quantum phase transition, for which we identify the participating orbitals. Although shape staggering in the mercury isotopes is a unique and localized feature in the nuclear chart, it nicely illustrates the concurrence of single-particle and collective degrees of freedom at play in atomic nuclei.

KW - nuclear physics

KW - shape coexistence

KW - laser spectroscopy

KW - ISOLDE experiment

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/31017324

U2 - 10.1038/s41567-018-0292-8

DO - 10.1038/s41567-018-0292-8

M3 - Article

VL - 14

SP - 1

EP - 6

JO - Nature Physics

JF - Nature Physics

SN - 1745-2473

ER -

ID: 4520773