Nuclear Structure Investigations in Yb isotopes


HNPS2021 Proceedings Cover
Published: Oct 17, 2022
Keywords:
nuclear structure rare earth Yb isotopes lifetimes ROSPHERE
Aikaterini Zyriliou
http://orcid.org/0000-0003-2498-6014
Theo J. Mertzimekis
Achment Chalil
Polytimos Vasileiou
Stefanos Pelonis
Margarita Efstathiou
Lucian Stan
Andrei Turturica
Cristian Costache
Radu Mihai
Ruxandra Borcea
Sorin Ujeniuc
Sebastian Toma
Cristina Clisu
Andreea Oprea
Alina Ionescu
Ioana Gheorghe
Marian Boromiza
Constantin Mihai
Christophe Sotty
Christina Nita
Nicolae Marginean
Raluca Marginean
Nicoleta Florea
Irina Dinescu
Dorel Bucurescu
Dan Filipescu
Razvan Lica
Lucian Stroe
Rares Suvaila
Abstract

The medium-to-heavy mass ytterbium isotopes (70Yb) in the rare-earth mass region are known to be well-deformed nuclei, which can be populated to very high spin, and are predicted to exhibit interesting phenomena, such as shape coexistence. The lack of any experimental information on the structure of the neutron-rich 180Yb isotope and the lifetime of the 21+ state of 178Yb have greatly motivated this study, which can offer useful information for the collective behavior of neutrons and protons in neutron-rich Yb isotopes. A measurement was performed to investigate the population of excited states and a first measurement of the unknown 21+ lifetime of 178Yb by means of a two neutron-transfer reaction 176Yb(18O,16O)178Yb at energies 68-74 MeV using the ROSPHERE array at IFIN-HH, Romania.

Article Details
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  • Oral contributions
References
A. Martinou et al., EPJ. A 57, 84 (2021), doi: 10.1140/epja/s10050-021-00396-w
NUDAT3, National Nuclear Data Center, url: http://www.nndc.bnl.gov/nudat3
D. Bucurescu et al., NIM A 837, 1 (2016), doi: 10.1016/j.nima.2016.08.052
T. Beck et al., NIM A 951, 163090 (2020), doi: 10.1016/j.nima.2019.163090
T.J. Paulus, IEEE Trans. Nucl. Sci. 32, 1242 (1985), doi: 10.1109/TNS.1985.4337024