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Mller-Gatermann, C.*; Dewald, A.*; Fransen, C.*; Auranen, K.*; Badran, H.*; Beckers, M.*; Blazhev, A.*; Braunroth, T.*; Cullen, D. M.*; Fruet, G.*; et al.
Physical Review C, 99(5), p.054325_1 - 054325_7, 2019/05
被引用回数:8 パーセンタイル:63.51(Physics, Nuclear)陽子過剰核Hgにおける変形共存を調べることを目的として、ユヴァスキュラ大学の加速器においてRh(Kr, )反応によってHgを生成し、その原子核の励起状態からの脱励起の寿命を測定した。実験データを理論計算と比較した結果、HgではHgに比べ、プロレート変形した状態がより高い励起状態へとシフトするとともに、変形度が増大することがわかった。
Konki, J.*; Khuyagbaatar, J.*; Uusitalo, J.*; Greenlees, P. T.*; Auranen, K.*; Badran, H.*; Block, M.*; Briselet, R.*; Cox, D. M.*; Dasgupta, M.*; et al.
Physics Letters B, 764, p.265 - 270, 2017/01
被引用回数:18 パーセンタイル:79.1(Astronomy & Astrophysics)The new neutron-deficient nuclei Es and Bk were synthesised at the gas-filled recoil separator RITU. They were identified by their radioactive decay chains starting from Es produced in the fusion-evaporation reaction Bi(S,3n)Es. Half-lives of 6(2)s and 22s were obtained for Es and Bk, respectively. Two groups of particles with energies =8.19(3) MeV and 8.09(3) MeV were unambiguously assigned to Es. Electron-capture delayed fission branches with probabilities of 0.16(6) and 0.04(2) were measured for Es and Bk, respectively. These new data show a continuation of the exponential increase of ECDF probabilities in more neutron-deficient isotopes.