Evolution of high-spin states in neutron-rich Au195–202 isotopes approaching the N=126 shell closure

@article{cho2026evolution,
  title = {{Evolution of high-spin states in neutron-rich Au195–202 isotopes approaching the N=126 shell closure}},
  author = {Y Cho and Y.H Kim and A Navin and M Rejmund and A Lemasson and D Ramos and E Clément and C Yuan and M Liu and P van Isacker and A.N Andreyev and J Dudouet and S Choi and Y Son and A Mukherjee and D Ackermann and G de Angelis and S Bae and R Banik and S Bhattacharya and S Bhattacharyya and K Chae and F Didierjean and C Fougéres and G de France and G Fremont and J Goupil and G.M Gu and J Ha and K.I Hahn and Y Hirayama and S Jeong and D.T Kattikat Melcom and C.H Kim and M.J Kim and S.H Kim and W Korten and P Marini and H Miyatake and M Mukai and G Mukherjee and T Niwase and T Otsuka and J Park and R.M Pérez-Vidal and F Recchia and K Rezynkina and P Schury and J.C Thomas and I Tsekhanovich and A Utepov and Y.X Watanabe},
  journal = {Phys.Rev.C},
  year = {2026},
  month = sep,
  doi = {10.1103/nclr-tjv1},
  eprint = {2610.07058},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-05759909v1},
  note = {CC BY 4.0},
}

TY  - JOUR
TI  - Evolution of high-spin states in neutron-rich Au195–202 isotopes approaching the N=126 shell closure
AU  - Y Cho
AU  - Y.H Kim
AU  - A Navin
AU  - M Rejmund
AU  - A Lemasson
AU  - D Ramos
AU  - E Clément
AU  - C Yuan
AU  - M Liu
AU  - P van Isacker
AU  - A.N Andreyev
AU  - J Dudouet
AU  - S Choi
AU  - Y Son
AU  - A Mukherjee
AU  - D Ackermann
AU  - G de Angelis
AU  - S Bae
AU  - R Banik
AU  - S Bhattacharya
AU  - S Bhattacharyya
AU  - K Chae
AU  - F Didierjean
AU  - C Fougéres
AU  - G de France
AU  - G Fremont
AU  - J Goupil
AU  - G.M Gu
AU  - J Ha
AU  - K.I Hahn
AU  - Y Hirayama
AU  - S Jeong
AU  - D.T Kattikat Melcom
AU  - C.H Kim
AU  - M.J Kim
AU  - S.H Kim
AU  - W Korten
AU  - P Marini
AU  - H Miyatake
AU  - M Mukai
AU  - G Mukherjee
AU  - T Niwase
AU  - T Otsuka
AU  - J Park
AU  - R.M Pérez-Vidal
AU  - F Recchia
AU  - K Rezynkina
AU  - P Schury
AU  - J.C Thomas
AU  - I Tsekhanovich
AU  - A Utepov
AU  - Y.X Watanabe
PY  - 2026
DA  - 2026/09/23
JO  - Phys.Rev.C
DO  - 10.1103/nclr-tjv1
UR  - https://hal.science/hal-05759909v1
AB  - \textbf{Background: } The nuclear structure in the region southwest of the doubly magic ^208Pb is important to benchmark theoretical models relevant for neutron-rich heavy element formation and for the origin of the A≈195 peak in the mass abundance distribution. Although neutron-rich Pb, Tl, and Hg (Z=80−82) isotopes are relatively well studied, experimental data for neutron-rich Au isotopes (Z=79) remain largely limited due to experimental challenges. \textbf{Purpose: } The purpose of this work is to investigate the evolution of the high-spin structure in neutron-rich Au isotopes near the N=126 shell closure and to characterize the underlying shell-model configurations, with a particular focus on the roles of the high-j unique-parity πh_11/2 and νi_13/2 orbitals. \textbf{Methods: } Neutron-rich ^195−202Au isotopes were produced using multi-nucleon transfer reactions of ^198Pt(^136Xe, ^xI)^yAu at a beam energy of 7 MeV/u. %between a 7 MeV/u ^136Xe beam and a ^198Pt target at GANIL. Prompt and delayed γ-ray spectroscopy of isotopically identified reaction products was performed with a unique experimental setup combining the VAMOS++ large acceptance magnetic spectrometer, the AGATA HPGe γ-ray tracking array, and the CATLIFE detection system.
ER  -