Octupole states in Tl207 studied through β decay

@article{Berry2020OctupoleSI,
  title={Octupole states in 
Tl207
 studied through 
$\beta$
 decay},
  author={T. A. Berry and Zs. Podoly{\'a}k and Raymond J. Carroll and R. Lică and B. Alex Brown and Hubert H Grawe and Ch. Sotty and Natalia K. Timofeyuk and T. Alexander and A. N. Andreyev and S. Ansari and Mar{\'i}a Jos{\'e} Garc{\'i}a Borge and M. Brunet and J. R. Cresswell and C. Fahlander and L. M. Fraile and H.O.U. Fynbo and E. R. Gamba and W. Gelletly and R.-B. Gerst and Malgorzata G{\'o}rska and A. Gredley and P. T. Greenlees and Laura Harkness-Brennan and Marc Huyse and Steven Judge and Daniel S. Judson and J. Konki and Magdalena Kowalska and J. Kurcewicz and Istv{\'a}n Kuti and S. Lalkovski and I. H. Lazarus and M. V. Lund and Miguel Madurga and N. Mărginean and Raluca Mărginean and I. Marroquı́n and C. Mihai and R. E. Mihai and E. N{\'a}cher and A. Negret and S. Nae and C. R. Niţă and S. Pascu and Robert D. Page and Zena Patel and Andres Perea and J. Phrompao and M. Piersa and V. F. E. Pucknell and Panu Rahkila and Elisa Rapisarda and Patrick H. Regan and Florin Rotaru and M. Rudigier and C. M. Shand and Robert Kipp Shearman and E. C. Simpson and Simon Stegemann and Thierry Stora and O. Tengblad and A. Turturică and Piet Van Duppen and Victoria Vedia and Philip M. Walker and Nigel Warr and F. P. Wearing and Hilde De Witte},
  journal={Physical Review C},
  year={2020},
  volume={101},
  pages={054311}
}
The β decay of 207Hg into the single-proton-hole nucleus 207Tl has been studied through γ-ray spectroscopy at the ISOLDE Decay Station (IDS) with the aim of identifying states resulting from coupling of the πs−11/2, πd−13/2, and πh−111/2 shell model orbitals to the collective octupole vibration. Twenty-two states were observed lying between 2.6 and 4.0 MeV, eleven of which were observed for the first time, and 78 new transitions were placed. Two octupole states (s1/2-coupled) are identified… 

Figures and Tables from this paper

Competition between Allowed and First-Forbidden β Decay: The Case of ^{208}Hg→^{208}Tl.
TLDR
Shell-model calculations describe well the level scheme deduced, validating the proton-neutron interactions used, with implications for the whole of the N>126, Z<82 quadrant of neutron-rich nuclei.
Low lying particle-hole states in $$^\mathbf{206 }$$Pb and $$^\mathbf{208 }$$Pb and the shell model
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