| Article | |
| Title | Coulomb excitation of pear-shaped nuclei |
| Author(s) | Butler, Peter (Liverpool U.) ; Gaffney, Liam (Liverpool U. ; CERN) ; Spagnoletti, Pietro (West Scotland U.) ; Konki, Joonas (CERN) ; Scheck, Marcus (West Scotland U.) ; Smith, John (West Scotland U.) ; Abrahams, Kenzo (Western Cape U.) ; Bowry, Michael (TRIUMF) ; Cederkäll, Joakim (Lund U.) ; Chupp, Timothy (Michigan U.) ; de Angelis, Giacomo (INFN, Legnaro) ; Witte, Hilde De (Leuven U.) ; Garrett, Paul (Guelph U.) ; Goldkuhle, Alina (Cologne U.) ; Henrich, Corinna (Darmstadt, Tech. Hochsch.) ; Illana, Andres (INFN, Legnaro) ; Johnston, Karl (CERN) ; Joss, David (Liverpool U.) ; Keatings, James (West Scotland U.) ; Kelly, Nicola (West Scotland U.) ; Komorowska, Michalina (Warsaw U., Heavy Ion Lab) ; Kröll, Thorsten (Darmstadt, Tech. Hochsch.) ; Lozano, Miguel (CERN) ; Singh, Bondili Nara (West Scotland U.) ; O'Donnell, David (West Scotland U.) ; Ojala, Joonas (Jyvaskyla U. ; Helsinki U.) ; Page, Robert (Liverpool U.) ; Pedersen, Line (Oslo U.) ; Raison, Christopher (York U., England) ; Reiter, Peter (Cologne U.) ; Rodriguez, Jose Alberto (CERN) ; Rosiak, Dawid (Cologne U.) ; Rothe, Sebastian (CERN) ; Shneidman, Timur (Dubna, JINR) ; Siebeck, Burkhard (Cologne U.) ; Seidlitz, Michael (Cologne U.) ; Sinclair, Jacqueline (West Scotland U.) ; Stryjczyk, Marek (Leuven U.) ; Van Duppen, Piet (Leuven U.) ; Vinals, Silvia (Madrid, Inst. Estructura Materia) ; Virtanen, Ville (Jyvaskyla U. ; Helsinki U.) ; Warr, Nigel (Cologne U.) ; Wrzosek-Lipska, Kasia (Warsaw U., Heavy Ion Lab) ; Zielinska, Magda (IRFU, Saclay) |
| Publication | 2019 |
| Number of pages | 5 |
| In: | EPJ Web Conf. 223 (2019) 01007 |
| In: | IV International Conference on Nuclear Structure and Dynamics (NSD2019), Venice, Italy, 13 -17 May 2019, pp.01007 |
| DOI | 10.1051/epjconf/201922301007 |
| Subject category | Nuclear Physics - Experiment |
| Abstract | There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we have observed the low-lying quantum states in 224Rn and 226Rn by accelerating beams of these radioactive nuclei. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment. |
| Copyright/License | © 2019-2024 The Authors (License: CC-BY-4.0) |
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Record creato 2022-10-13, modificato l'ultima volta il 2022-10-13