《Table 3Posterior mean and 68%credible uncertainties of the model pa-rameters》
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《Implications on cosmic ray injection and propagation parameters from Voyager/ACE/AMS-02 nucleus data》
a) 95%upper limit；b) source abundance ratio of carbon-to-hydrogen.The normalization of the propagated proton flux at 100 GeV is4.45×10-9cm-2s-1sr-1MeV-1.
The posterior mean values and the associated 68%credible uncertainties of the model parameters obtained from the fits to the B/C ratio and carbon flux data are tabulated in Table 3.The corresponding probability distributions of the propagation parameters are shown in Figures 1 and 2，for the DC2and DR2 models，respectively.Comparing the minimumχ2values of these two models，the DR2 model is significantly better than the DC2 model.Theχ2value for the DR2 model is smaller by 83.0 than that of DC2，with even less free parameters.Given the absolute value ofχ2and the number of degree-of-freedom（dof），the DC2 model is marginally acceptable（the p-value of the fit is about 0.056）.
| 图表编号 | XD0052897900 严禁用于非法目的 |
|---|---|
| 绘制时间 | 2019.04.01 |
| 作者 | Qiang Yuan |
| 绘制单位 | Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences、School of Astronomy and Space Science, University of Science and Technology of China、Center for High Energy Physics, Peking University |
| 更多格式 | 高清、无水印（增值服务） |
