Constraints on neutrino mass in the scenario of vacuum energy interacting with cold dark matter after Planck 2018

Hai-Li Li,Jing-Fei Zhang,Xin Zhang

Table 5. Fitting results for the IΛCDM4+$\sum {m}_{\nu }$ ($Q=\beta {H}_{0}{\rho }_{{\rm{c}}}$) model by using the CMB+BAO+SN and CMB+BAO+SN+H0 data combinations, respectively. Here, H0 and $\sum {m}_{\nu }$ are in units of km s−1 Mpc−1 and eV, respectively.

Data CMB+BAO+SN CMB+BAO+SN+H0 Model IΛCDM+$\sum {m}_{\nu }^{\mathrm{NH}}$ IΛCDM+$\sum {m}_{\nu }^{\mathrm{IH}}$ IΛCDM+$\sum {m}_{\nu }^{\mathrm{DH}}$ IΛCDM+$\sum {m}_{\nu }^{\mathrm{NH}}$ IΛCDM+$\sum {m}_{\nu }^{\mathrm{IH}}$ IΛCDM+$\sum {m}_{\nu }^{\mathrm{DH}}$ ${{\rm{\Omega }}}_{{\rm{m}}}$ 0.299 ± 0.016 0.297 ± 0.016 ${0.302}_{-0.017}^{+0.016}$ 0.272 ± 0.013 0.269 ± 0.013 0.275 ± 0.013 ${H}_{0}$ 68.05 ± 0.80 ${68.07}_{-0.82}^{+0.83}$ 68.07 ± 0.81 69.58 ± 0.72 69.58 ± 0.73 ${69.58}_{-0.72}^{+0.71}$ β 0.043 ± 0.047 ${0.058}_{-0.048}^{+0.047}$ ${0.024}_{-0.048}^{+0.047}$ 0.111 ± 0.043 0.128 ± 0.043 0.092 ± 0.044 ${\sigma }_{8}$ ${0.814}_{-0.021}^{+0.019}$ 0.812 ± 0.019 ${0.820}_{-0.020}^{+0.019}$ 0.840 ± 0.019 0.837 ± 0.019 0.845 ± 0.019 $\sum {m}_{\nu }$ $\lt 0.202$ $\lt 0.235$ <0.156 <0.202 <0.239 <0.162