activity
19992026
most citedNi revealed as a doubly magic stronghold against nuclear deformation

189 citations · 1.1k across the 31 of their papers we have counts for

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nucl-ex2026

Probing the Size of Neutron and Proton Single-Particle Orbitals from Nucleon Knockout Reactions

M. Enciu, A. Obertelli, P. Doornenbal +83

The size of neutron and proton single-particle orbitals of Ca, Ca, Ca, and Sc were investigated via nucleon knockout reactions at 230 MeV/nucleon…

nucl-ex2023★ 19 cited

Level Structures of Ca Cast Doubt on a doubly magic Ca

S. Chen, F. Browne, P. Doornenbal +80

Gamma decays were observed in Ca and Ca following quasi-free one-proton knockout reactions from Sc beams at MeV/nucleon. For Ca, a …

nucl-ex2022★ 11 cited

A First Glimpse at the Shell Structure beyond Ca: Spectroscopy of K, Ca, and Ca

T. Koiwai, K. Wimmer, P. Doornenbal +80

States in the and 37 isotopes Ca have been populated by direct proton-induced nucleon removal reactions from Sc and Ca beams at the RIBF. In addit…

nucl-ex2021★ 12 cited

Investigation of the ground-state spin inversion in the neutron-rich 47,49Cl isotopes

B. D. Linh, A. Corsi, A. Gillibert +83

A first gamma-ray study of 47,49Cl spectroscopy was performed at the Radioactive Isotope Beam Factory with 50Ar projectiles at 217 MeV/nucleon, impinging on the liquid hydrogen tar…

nucl-ex2021★ 3 cited

Isomeric states in neutron-rich nuclei around

K. Wimmer, F. Recchia, S. M. Lenzi +37

Neutron-rich nuclei in the vicinity of the island of inversion are characterized by shell evolution and exhibit deformed ground states. In several nuclei isomeric states hav…

nucl-ex2021★ 4 cited

Persistence of the shell gap in isobars: Identification of a possible s isomer in Co and decay to Ni

S. Escrig, A. I. Morales, S. Nishimura +40

Background: The evolution of shell structure around doubly magic exotic nuclei is of great interest in nuclear physics and astrophysics. In the `southwest' region of Ni, the…

nucl-ex2020

International Workshop on Next Generation Gamma-Ray Source

C. R. Howell, M. W. Ahmed, A. Afanasev +50

A workshop on The Next Generation Gamma-Ray Sources sponsored by the Office of Nuclear Physics at the Department of Energy, was held November 17--19, 2016 in Bethesda, Maryland. Th…

nucl-ex2020★ 18 cited

shell closure below calcium: Low-lying structure of Ar

M. L. Cortés, W. Rodriguez, P. Doornenbal +78

Low-lying excited states in the isotope Ar were investigated by in-beam -ray spectroscopy following proton- and neutron-knockout, multi-nucleon removal, and proton…

nucl-ex2020★ 13 cited

Precision measurement of the transition strength to the 2 state of C

A. D'Alessio, T. Mongelli, M. Arnold +16

The form factor of the electromagnetic excitation of C to its 2 state was measured at extremely low momentum transfers in an electron scattering experiment at the S-DA…

nucl-ex2020★ 26 cited

Observation of -vibrations and alignments built on non-ground-state configurations in 156Dy

S. N. T. Majola, D. J. Hartley, L. L. Riedinger +25

The exact nature of the lowest rotational bands in all deformed nuclei remains obscure. Traditionally they are assumed to be collective vibrations of the nuclear shape…

nucl-ex2020★ 5 cited

First candidates for γ vibrational bands built on the [505]11/2- neutron orbital in odd-A Dy isotopes

S. N. T. Majola, M. A. Sithole, L. Mdletshe +67

Rotational structures have been measured using the Jurogam II and GAMMASPHERE arrays at low spin following the 155Gd(α,2n)157Dy and 148Nd(12C, 5n)155Dy reactions at 25 and 65 MeV,…

nucl-ex2020★ 31 cited

Evolution of the dipole polarizability in the stable tin isotope chain

S. Bassauer, P. von Neumann-Cosel, P. -G. Reinhard +36

The dipole polarizability of stable even-mass tin isotopes 112,114,116,118,120,124 was extracted from inelastic proton scattering experiments at 295 MeV under very forward angles p…

nucl-ex2020★ 4 cited

Reexamination of Li scattering as a Probe to Investigate the Isoscalar Giant Resonances in Nuclei

J. C. Zamora, C. Sullivan, R. G. T. Zegers +37

Inelastic Li scattering at 100 MeV/u on C and Nb have been measured with the high-resolution magnetic spectrometer Grand Raiden. The magnetic-rigidity set…

nucl-ex2019★ 51 cited

Shell evolution of isotones towards Ca: First spectroscopy of Ti

M. L. Cortés, W. Rodriguez, P. Doornenbal +81

Excited states in the isotone Ti were populated via the VTi reaction at 200~MeV/u at the Radioactive Isotope Beam Factory and studied usin…

nucl-ex2019★ 189 cited

Ni revealed as a doubly magic stronghold against nuclear deformation

R. Taniuchi, C. Santamaria, P. Doornenbal +68

Nuclear magic numbers, which emerge from the strong nuclear force based on quantum chromodynamics, correspond to fully occupied energy shells of protons, or neutrons inside atomic…

nucl-ex2019★ 11 cited

First spectroscopy of 61Ti and the transition to the Island of Inversion at N = 40

K. Wimmer, F. Recchia, S. M. Lenzi +39

Isomeric states in 59,61Ti have been populated in the projectile fragmentation of a 345 AMeV 238U beam at the Radioactive Isotope Beam Factory. The decay lifetimes and delayed gamm…

nucl-ex2018★ 81 cited

How Robust is the N = 34 Subshell Closure? First Spectroscopy of Ar

H. N. Liu, A. Obertelli, P. Doornenbal +77

The first -ray spectroscopy of Ar, with the neutron number N = 34, was measured using the K(p,2p) one-proton removal reaction at 210 MeV/u at the RIBF facili…

nucl-ex2017★ 23 cited

A revised value in the semi-magic nucleus Po

D. Kocheva, G. Rainovski, J. Jolie +29

The lifetimes of the , the and the states of Po have been measured in the Pb(C,Be)Po transfer reaction by the Doppler-s…

nucl-ex2016★ 109 cited

First Measurement of Collectivity of Coexisting Shapes based on Type II Shell Evolution: The Case of Zr

C. Kremer, S. Aslanidou, S. Bassauer +13

Background: Type II shell evolution has recently been identified as a microscopic cause for nuclear shape coexistence. Purpose: Establish a low-lying rotational band in 96-Zr. Meth…

nucl-ex2016★ 15 cited

The decay of quadrupole-octupole states in Ca and Ce

V. Derya, N. Tsoneva, T. Aumann +12

Background: Two-phonon excitations originating from the coupling of two collective one-phonon states are of great interest in nuclear structure physics. One possibility to generate…

nucl-ex2016★ 26 cited

Magnetic dipole excitations of Cr

H. Pai, T. Beck, J. Beller +23

The low-lying -strength of the open-shell nucleus Cr has been studied with the method of nuclear resonance fluorescence up to 9.7 MeV, using bremsstrahlung at the superc…

nucl-ex2015★ 15 cited

Mixed-symmetry octupole and hexadecapole excitations in the N=52 isotones

A. Hennig, M. Spieker, V. Werner +18

Background: Excitations with mixed proton-neutron symmetry have been previously observed in the isotones. Besides the well established quadrupole mixed-symmetry states (MSS)…

nucl-ex2013★ 50 cited

Evidence for shape coexistence in Mo

T. Thomas, K. Nomura, V. Werner +8

A angular correlation experiment has been performed to investigate the low-energy states of the nucleus Mo. The new data, including spin assignments, multipole mixing r…

nucl-ex2013★ 44 cited

The electric dipole response of Se above 4 MeV

P. M. Goddard, N. Cooper, V. Werner +20

The dipole response of Se in the energy range 4 to 9 MeV has been analyzed using a polarized photon scattering technique, performed at the High Intensity $…