Two-proton radioactivity of exotic nuclei beyond proton drip-line

Yanzhao Wang(王艳召),Jianpo Cui(崔建坡),Yonghao Gao(高永浩),Jianzhong Gu(顾建中)

Table 3. The competition between the true 2p radioactivity and α-decay for the nuclei beyond the proton-drip line. Q${}_{\alpha }$ denotes the α-decay energy, which is measured in MeV. The α-decay half-lives (log${}_{10}{T}_{1/2}^{\alpha }$) are calculated within the GLDM and measured in second.

Nuclei Mass Model Q2p (MeV) Q${}_{\alpha }$ (MeV) log${}_{10}{T}_{1/2}^{2{\rm{p}}}$ (s) log${}_{10}{T}_{1/2}^{\alpha }$ (s) Decay mode ${}_{52}^{101}$Te HFB29 5.45 −0.19 −9.54 — 2p ${}_{54}^{107}$Xe HFB29 3.08 4.80 −0.24 −5.70 α ${}_{56}^{111}$Ba HFB29 3.46 4.10 −2.28 −1.40 2p ${}_{58}^{114}$Ce HFB29 4.94 4.25 −7.12 −1.11 2p ${}_{58}^{116}$Ce HFB29 3.22 4.31 −0.01 −1.45 α