| Autor: |
Marchini Naomi, Rocchini Marco, Nannini Adriana, Doherty Daniel T., Zielińska Magdalena, Garrett Paul E., Hadyńska-Klęk Katarzyna, Testov Dmitry, Goasduff Alain, Benzoni Giovanna, Camera Franco, Bakes Samuel D., Bazzacco Dino, Bergmaier Andreas, Berry Thomas, Bidaman Harris, Bildstein Vinzenz, Brugnara Daniele, Brunet Vincent H., Catford Wilton N., De Rizzo Matteo, Diaz Varela Alejandra, Fäestermann Thomas, Galtarossa Franco, Gelli Nicla, Gottardo Andrea, Gozzellino Andrea, Hertenberger Ralf, Illana Andres, Keatings James, Kennington Adam R.L., Mengoni Daniele, Morrison Lisa, Napoli Daniel R., Ottanelli Marco, Pasqualato Giorgia, Recchia Francesco, Riccetto Serena, Scheck Marcus, Siciliano Marco, Sighinolfi Giovanni, Sinclair Jacqueline, Spagnoletti Pietro, Valiente Dobón José J., Vandebrouck Marine, Wrzosek-Lipska Katarzyna, Zanon Irene |
| Jazyk: |
angličtina |
| Rok vydání: |
2019 |
| Předmět: |
|
| Zdroj: |
EPJ Web of Conferences, Vol 223, p 01038 (2019) |
| Druh dokumentu: |
article |
| ISSN: |
2100-014X |
| DOI: |
10.1051/epjconf/201922301038 |
| Popis: |
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. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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