Shape coexistence in 94Zr studied via Coulomb excitation

Naomi Marchini; Marco Rocchini; Adriana Nannini; Daniel T. Doherty; Magdalena Zielinska; Paul E. Garrett; Katarzyna Hadynska-Klek; Dmitry Testov; Alain Goasduff; Giovanna Benzoni; Franco Camera; Samuel D. Bakes; Dino Bazzacco; Andreas Bergmaier; Thomas Berry; Harris Bidaman; Vinzenz Bildstein; Daniele Brugnara; Vincent H. Brunet; Wilton N. Catford; Matteo De Rizzo; Alejandra Diaz Varela; Thomas Faeestermann; Franco Galtarossa; Nicla Gelli; Andrea Gottardo; Andrea Gozzellino; Ralf Hertenberger; Andres Illana; James Keatings; Adam R. L. Kennington; Daniele Mengoni; Lisa Morrison; Daniel R. Napoli; Marco Ottanelli; Pietro Ottanelli; Giorgia Pasqualato; Francesco Recchia; Serena Riccetto; Marcus Scheck; Marco Siciliano; Giovanni Sighinolfi; Jacqueline Sinclair; Pietro Spagnoletti; Jose J. Valiente Dobon; Marine Vandebrouck; Katarzyna Wrzosek-Lipska; Irene Zanon

doi:10.1051/epjconf/201922301038

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Shape coexistence in 94Zr studied via Coulomb excitation

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Shape coexistence in 94Zr studied via Coulomb excitation

Naomi Marchini, Marco Rocchini, Adriana Nannini, Daniel T. Doherty, Magdalena Zielinska, Paul E. Garrett, Katarzyna Hadynska-Klek, Dmitry Testov, Alain Goasduff, Giovanna Benzoni, …

IV International Conference on Nuclear Structure and Dynamics (NSD2019) - Proceedings, Vol.223, 01038

EPJ Web of Conferences, Les Ulis EDP Sciences

IV International Conference on Nuclear Structure and Dynamics (NSD2019) (Venice, Italy, 13/05/2019–17/05/2019)

2019

DOI: https://doi.org/10.1051/epjconf/201922301038

Abstract

Nuclear Astrophysics

Nuclear Physics

In recent years, a number of both theoretical and experimental investigations have been performed focusing on the zirconium isotopic chain. In particular, state-of-the-art Monte Carlo shell-model calculations predict shape coexistence in these isotopes. In this context, the 94Zr nucleus, which is believed to possess a nearly spherical ground state, is particularly interesting since the purported deformed structure is basedon the low-lying 02+ state, making it amenable for detailed study. In order to provide definitive conclusionson the shapes of the low-lying states, two complementary experiments to study 94Zr by means of low-energy Coulomb excitation were performed. This data will allow the quadrupole moments of the 21,2+ levels to be extracted as well as for the deformation parameters of the 01,2+ states to be determined and, thus, definitive conclusions to be drawn on the role of shape coexistence in this nucleus for the first time. The first experiment was performed at the INFN Legnaro National Laboratory with the GALILEO-SPIDER setup, which, for the first time, was coupled with 6 lanthanum bromide scintillators (LaBr3:Ce) in order to maximize the γ-ray detection effciency. The second experiment was performed at the Maier-Leibnitz Laboratory (MLL) in Munich and used a Q3D magnetic spectrograph to detect the scattered 12C ions following Coulomb excitation of 94Zr targets.

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Title: Shape coexistence in 94Zr studied via Coulomb excitation
Creators: Naomi Marchini - Università di Camerino
Marco Rocchini - Florence (Netherlands)
Adriana Nannini - Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
Daniel T. Doherty - University of Surrey, School of Maths and Physics
Magdalena Zielinska - Université Paris-Saclay
Paul E. Garrett - University of Guelph
Katarzyna Hadynska-Klek - University of Warsaw
Dmitry Testov - University of Padua
Alain Goasduff - University of Padua
Giovanna Benzoni - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
Franco Camera - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
Samuel D. Bakes - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
Dino Bazzacco - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
Andreas Bergmaier - Universität der Bundeswehr München
Thomas Berry - University of Surrey, School of Maths and Physics
Harris Bidaman - University of Guelph
Vinzenz Bildstein - University of Guelph
Daniele Brugnara - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Vincent H. Brunet - Herzberg Institute of Astrophysics
Wilton N. Catford - University of Surrey, School of Maths and Physics
Matteo De Rizzo - University of Padua
Alejandra Diaz Varela - University of Guelph
Thomas Faeestermann - Ludwig-Maximilians-Universität München
Franco Galtarossa - Institut de Recherche sur les Lois Fondamentales de l'Univers
Nicla Gelli - Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
Andrea Gottardo - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Andrea Gozzellino - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Ralf Hertenberger - Ludwig-Maximilians-Universität München
Andres Illana - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
James Keatings - University of the West of Scotland
Adam R. L. Kennington - Univ Surrey, Guildford, Surrey, England
Daniele Mengoni - INFN Sezione di Padova
Lisa Morrison - University of Surrey, School of Maths and Physics
Daniel R. Napoli - Istituto Nazionale di Fisica Nucleare
Marco Ottanelli - Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
Pietro Ottanelli - INFN Sez Firenze, Florence, Italy
Giorgia Pasqualato - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Francesco Recchia - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
Serena Riccetto - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
Marcus Scheck - University of the West of Scotland
Marco Siciliano - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Giovanni Sighinolfi - University of Padua
Jacqueline Sinclair - University of Surrey
Pietro Spagnoletti - University of the West of Scotland
Jose J. Valiente Dobon - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Marine Vandebrouck - CEA Paris-Saclay
Katarzyna Wrzosek-Lipska - University of Warsaw
Irene Zanon - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro
Publication Details: IV International Conference on Nuclear Structure and Dynamics (NSD2019) - Proceedings, Vol.223, 01038
Conference: IV International Conference on Nuclear Structure and Dynamics (NSD2019) (Venice, Italy, 13/05/2019–17/05/2019)
Series: EPJ Web of Conferences
Publisher: Les Ulis EDP Sciences
Number of pages: 4
First online publication date: 04/12/2019
Publication Date: 2019
Grants: UK Research and Innovation (United Kingdom, Swindon) - UKRI
1944090, Science and Technology Facilities Council (United Kingdom, Swindon) - STFC
Grant note: 1944090 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
Identifiers: 991004766202346; WOS:000537623100038
Copyright: © The Authors, published by EDP Sciences. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Conference paper

Shape coexistence in 94Zr studied via Coulomb excitation

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