Gamma-ray spectroscopy of $^{55}$Sc - CEA - Université Paris-Saclay
Journal Articles Physica Scripta Year : 2024

Gamma-ray spectroscopy of $^{55}$Sc

R Zidarova
  • Function : Author
M.L Cortés
  • Function : Author
V Werner
  • Function : Author
P Koseoglou
  • Function : Author
N Pietralla
  • Function : Author
P Doornenbal
  • Function : Author
T Otsuka
  • Function : Author
Y Tsunoda
  • Function : Author
Y Utsuno
  • Function : Author
H Baba
  • Function : Author
F Browne
  • Function : Author
S Chen
  • Function : Author
N Chiga
  • Function : Author
T Isobe
  • Function : Author
T Kobayashi
  • Function : Author
Y Kubota
  • Function : Author
T Motobayashi
  • Function : Author
H Otsu
  • Function : Author
V Panin
  • Function : Author
W Rodriguez
  • Function : Author
H Sakurai
  • Function : Author
M Sasano
  • Function : Author
D Steppenbeck
  • Function : Author
Y Togano
  • Function : Author
T Uesaka
  • Function : Author
K Wimmer
  • Function : Author
K Yoneda
  • Function : Author
O Aktas
  • Function : Author
T Aumann
  • Function : Author
L.X Chung
  • Function : Author
I Gasparic
  • Function : Author
R-B Gerst
  • Function : Author
K.I Hahn
  • Function : Author
D Kim
  • Function : Author
T Koiwai
  • Function : Author
Y Kondo
  • Function : Author
J Lee
  • Function : Author
C Lehr
  • Function : Author
B.D Linh
  • Function : Author
T Lokotko
  • Function : Author
K Moschner
  • Function : Author
T Nakamura
  • Function : Author
S.Y Park
  • Function : Author
D Rossi
  • Function : Author
E Sahin
  • Function : Author
P-A Söderström
  • Function : Author
D Sohler
  • Function : Author
S Takeuchi
  • Function : Author
H Toernqvist
  • Function : Author
V Vaquero
  • Function : Author
V Wagner
  • Function : Author
S Wang
  • Function : Author
X Xu
  • Function : Author
H Yamada
  • Function : Author
D Yan
  • Function : Author
Z Yang
  • Function : Author
M Yasuda
  • Function : Author
L Zanetti
  • Function : Author

Abstract

The N = 34 isotope $^{55}$Sc has been investigated using in-beam γ-ray spectroscopy at the RIKEN Radioactive Isotope Beam Factory. Spectra from the direct (p, pn) reaction as well as indirect reaction channels have been investigated. γ rays with energies 496(10), 570(12), 682(14), 1510(30), 1780(36), 2345(57) and 2470(50) keV have been observed. A level scheme was constructed based on γγ coincidence analysis and relative intensities. The results have been compared to the level scheme already reported in literature, as well as to large-scale shell model calculations in the sd − pf model space. A new level at 1510keV, decaying directly to the ground state, has been proposed and spin-parity J$^{π}$ = 7/2$^{−}$ was tentatively assigned. The effect of including the νg$_{9/2}$ orbital is discussed. It can be concluded that the main low-energy properties of $^{55}$Sc seem to be included in the original sd − pf model space.
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Dates and versions

hal-04618907 , version 1 (08-11-2024)

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R Zidarova, M.L Cortés, V Werner, P Koseoglou, N Pietralla, et al.. Gamma-ray spectroscopy of $^{55}$Sc. Physica Scripta, 2024, 99 (7), pp.075309. ⟨10.1088/1402-4896/ad5594⟩. ⟨hal-04618907⟩
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