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 2. Same as table 1, but for the predicted 2p radioactivity half-lives by inputting the Q2p values extracted from the WS4 [63], FRDM [64], KTUY [74] and HFB29 [67] nuclear mass models.

Nuclei Q2p (MeV) log${}_{10}{T}_{1/2}^{\mathrm{cal}.}$ (s) WS4 FRDM KTUY HFB29 WS4 FRDM KTUY HFB29 ${}_{18}^{30}$Ar — 1.22 — — — −10.65 — — ${}_{18}^{31}$Ar 1.08 — — 0.43 −9.54 — — 1.14 ${}_{20}^{34}$Ca — 0.75 0.96 — — −3.65 −6.53 — ${}_{22}^{38}$Ti — 1.41 1.56 — — −8.60 −9.59 — ${}_{22}^{39}$Ti 0.98 — — — −4.62 — — — ${}_{24}^{41}$Cr — 2.12 2.13 — — −11.10 −11.10 — ${}_{24}^{42}$Cr 1.40 1.11 — — −6.95 −4.21 — — ${}_{28}^{49}$Ni 1.13 1.65 — 1.88 −0.75 −5.80 — −7.33 ${}_{30}^{55}$Zn — 1.49 — — — −3.05 — — ${}_{32}^{58}$Ge 2.68 2.57 2.45 1.77 −9.80 −9.34 −8.80 −4.76 ${}_{32}^{59}$Ge 1.43 1.85 — — −1.73 −5.36 — — ${}_{34}^{62}$Se 3.64 2.93 3.27 3.04 −12.00 −9.75 −10.90 −10.20 ${}_{34}^{63}$Se 2.39 1.37 1.78 1.80 −7.38 0.57 −3.45 −3.61 ${}_{36}^{65}$Kr — — 2.83 3.11 — — −8.34 −9.45 ${}_{36}^{66}$Kr — 2.65 — — — −7.54 — — ${}_{36}^{68}$Kr 1.80 — — — −2.23 — — — ${}_{38}^{70}$Sr — 3.15 2.80 3.38 — −8.64 −7.18 −9.47 ${}_{38}^{71}$Sr 2.92 1.83 — 2.15 −7.72 −1.10 — −3.56 ${}_{38}^{72}$Sr 1.65 — — — 0.59 — — — ${}_{40}^{74}$Zr — 3.27 2.65 3.51 — −8.16 −5.39 −9.02 ${}_{40}^{75}$Zr 2.80 1.93 — 2.51 −6.15 −0.60 — −4.63 ${}_{40}^{76}$Zr 1.85 — — — 0.10 — — — ${}_{40}^{77}$Zr — — — 1.86 — — — −0.06 ${}_{42}^{78}$Mo — — 3.07 3.68 — — −6.08 −8.42 ${}_{42}^{79}$Mo 3.07 — 2.19 — −6.09 — −1.07 — ${}_{42}^{80}$Mo 2.34 1.91 — — −2.13 1.21 — — ${}_{44}^{81}$Ru — — — 4.78 — — — −10.70 ${}_{44}^{82}$Ru — — — 3.69 — — — −7.60 ${}_{44}^{83}$Ru 3.20 2.83 — 2.33 −5.69 −3.92 — −0.88 ${}_{44}^{84}$Ru 2.20 — — 2.68 0.08 — — −3.11 ${}_{46}^{85}$Pd — — — 4.47 — — — −9.11 ${}_{46}^{86}$Pd 3.83 — 3.34 3.59 −7.23 — −5.35 −6.36 ${}_{46}^{87}$Pd 3.04 — — 2.62 −3.98 — — −1.66 ${}_{48}^{88}$Cd — — — 5.59 — — — −11.10 ${}_{48}^{89}$Cd — — — 4.54 — — — −8.55 ${}_{48}^{90}$Cd 3.90 — 3.39 3.77 −6.65 — −4.64 −6.18 ${}_{48}^{91}$Cd 3.08 — — 2.94 −3.19 — — −2.46 ${}_{48}^{94}$Cd — — 0.34 — — — 0.00 — ${}_{50}^{94}$Sn — — 3.34 — — — −3.39 — ${}_{50}^{95}$Sn — — 2.48 — — — 1.53 — ${}_{50}^{96}$Sn 2.67 — — — 0.20 — — — ${}_{52}^{101}$Te — — — 5.45 — — — −9.54 ${}_{54}^{107}$Xe — — — 3.08 — — — −0.24 ${}_{56}^{111}$Ba — — — 3.46 — — — −2.28 ${}_{58}^{114}$Ce — — — 4.94 — — — −7.12 ${}_{58}^{116}$Ce — — — 3.22 — — — −0.01