activity
20112026
most citedEvolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive Ra and Ra Beams

97 citations · 395 across the 20 of their papers we have counts for

collaborators

21 papers

nucl-ex2026

First observation of the fine structure of the Pygmy Dipole Resonance in a nucleus away from stability via the decay of Rb to Sr

P. Spagnoletti, M. Ramalho, S. Tahtela +52

A comprehensive -ray spectroscopy study of excited states in Sr populated via decay of Rb (, ~keV) was performed with the GRIFFIN spect…

nucl-ex2025

Fusion of 12C+28Si at deep sub-barrier energies

A. M. Stefanini, G. Montagnoli, M. Del Fabbro +97

The existence of fusion hindrance is not well established in light heavy-ion systems. Studying slightly heavier cases allows extrapolating the trend to light systems of astrophysic…

nucl-ex2024★ 5 cited

Shape evolution in even-mass Zr isotopes via lifetime measurements using the -coincidence technique

G. Pasqualato, S. Ansari, J. S. Heines +82

The Zirconium (Z = 40) isotopic chain has attracted interest for more than four decades. The abrupt lowering of the energy of the first state and the increase in the transiti…

nucl-ex2024

Probing exotic cross-shell interactions at N=28 with single-neutron transfer on 47K

C. J. Paxman, A. Matta, W. N. Catford +76

We present the first measurement of the K()K transfer reaction, performed in inverse kinematics using a reaccelerated beam of K. The level scheme of $^{4…

nucl-ex2024

Shape Coexistence in Zr from a Model-Independent Analysis

N. Marchini, M. Rocchini, M. Zielinska +33

Low-lying states of Zr were investigated via low-energy multi-step Coulomb excitation. From the measured -ray yields, \textcolor{black}{16} reduced \textcolor{black}{E2}…

nucl-ex2023★ 18 cited

First Evidence of Axial Shape Asymmetry and Configuration Coexistence in Zn: Suggestion for a Northern Extension of the Island of Inversion

M. Rocchini, P. E. Garrett, M. Zielinska +41

The excited states of Zn were investigated via -ray spectroscopy following Cu decay. By exploiting - angular correlation analysis, the , $3…

nucl-ex2022★ 11 cited

Search for Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes

C. Fougères, F. de Oliveira Santos, J. José +58

Classical novae are thermonuclear explosions in stellar binary systems, and important sources of Al and Na. While gamma rays from the decay of the former radioisotope…

nucl-ex2021★ 1 cited

Evidence for enhanced neutron-proton correlations from the level structure of the nucleus Tc

X. Liu, B. Cederwall, C. Qi +69

The low-lying excited states in the neutron-deficient nucleus Tc have been studied via the fusion-evaporation reaction Fe(Ar, )$…

nucl-ex2021★ 9 cited

Complete set of bound negative-parity states in the neutron-rich 18N nucleus

S. Ziliani, M. Ciemała, F. C. L. Crespi +54

High-resolution gamma-ray spectroscopy of 18N is performed with the Advanced GAmma Tracking Array AGATA, following deep-inelastic processes induced by an 18O beam on a 181Ta target…

nucl-ex2020★ 8 cited

Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

M. Ciemala, S. Ziliani, F. C. L. Crespi +52

A novel Monte Carlo technique has been developed to determine lifetimes of excited states in the tens-to-hundreds femtoseconds range. The method is applied to low-energy heavy-ion…

nucl-ex2020★ 25 cited

Shape coexistence revealed in the isotope Kr through inelastic scattering

K. Wimmer, T. Arici, W. Korten +41

The nucleus Kr has been studied by inelastic scattering at intermediate energies. Two targets, Be and Au, were used to extract the nuclear deformation…

nucl-ex2020★ 47 cited

The observation of vibrating pear shapes in radon nuclei: update

P. A. Butler, L. P. Gaffney, P. Spagnoletti +41

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-dipol…

nucl-ex2020★ 23 cited

Testing ab initio nuclear structure in neutron-rich nuclei: lifetime measurements of second 2+ states in 16C and 20O

M. Ciemala, S. Ziliani, F. C. L. Crespi +91

To test the predictive power of ab initio nuclear structure theory, the lifetime of the second 2+ state in neutron-rich 20O, tau(2+_2 ) = 150(+80-30) fs, and an estimate for the li…

nucl-ex2020★ 97 cited

Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive Ra and Ra Beams

P. A. Butler, L. P. Gaffney, P. Spagnoletti +40

There is sparse direct experimental evidence that atomic nuclei can exhibit stable pear shapes arising from strong octupole correlations. In order to investigate the nature of octu…

nucl-ex2019★ 15 cited

Discovery of Br in secondary reactions of radioactive beams

K. Wimmer, P. Doornenbal, W. Korten +31

The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKE…

nucl-ex2019★ 16 cited

Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich Sb isotopes

S. Biswas, A. Lemasson, M. Rejmund +58

The neutron-rich Sb isotopes were produced as fission fragments in the reaction Be(U,~f) with 6.2 MeV/u beam energy. An unique setup, consisting of AGATA,…

nucl-ex2018★ 22 cited

Shape coexistence and isospin symmetry in nuclei: Spectroscopy of the nucleus Kr

K. Wimmer, W. Korten, T. Arici +31

Excited states in the nucleus Kr have been populated using inelastic scattering of a radioactive Kr beam as well as one- and two-neutron removal reactions fr…

nucl-ex2016★ 21 cited

Spectroscopy of 46Ar by the (t,p) two-neutron transfer reaction

K. Nowak, K. Wimmer, S. Hellgartner +24

States in the nucleus Ar have been studied by a two-neutron transfer reaction at REX-ISOLDE (CERN). A beam of radioactive at an energy of 2.16~AMeV and a trit…

nucl-ex2015★ 65 cited

Analysis methods of safe Coulomb-excitation experiments with radioactive ion beams using the gosia code

M. Zielińska, L. P. Gaffney, K. Wrzosek-Lipska +7

With the recent advances in radioactive ion beam technology, Coulomb excitation at safe energies becomes an important experimental tool in nuclear-structure physics. The usefulness…

nucl-ex2015★ 12 cited

Collectivity in the light radon nuclei measured directly via Coulomb excitation

L. P. Gaffney, A. P. Robinson, D. G. Jenkins +49

Background: Shape coexistence in heavy nuclei poses a strong challenge to state-of-the-art nuclear models, where several competing shape minima are found close to the ground state.…

nucl-ex2011

Study of Sn+Xe fusion-evaporation: analysis of a rare-event experiment

Benoît Avez, Antoine Drouart, Ch. Stodel +27

Fusion-evaporation in the Sn+Xe system is studied using a high intensity xenon beam provided by the Ganil accelerator and the LISE3 wien filter for the selection of…