Open Access
Table 1.
List of ingredients used for the analysis and their description.
| Name | Description |
|---|---|
| Free transport parameters (in particular Eq. (5)) | |
| K0 | K(R) normalisation (a) in [kpc2 Myr−1] |
| δ | Diffusion slope (at intermediate energies) |
| δl, Rl | Diffusion slope break (at low rigidity Rl) |
| η | Low-energy modification of K(R), via βη |
| Vc | Convection in [m/s] (perpendicular to the disc) |
| Va | Reacceleration in [m/s] (in the thin disc) |
| Propagation model configuration (from Génolini et al. 2019) | |
| SLIM | Free params = K0, δ, Rl, δl (main analysis) |
| QUAINT | Free params = K0, δ, η, Vc, Va |
| BIG | Free params = K0, δ, Rl, δl, Vc, Va |
| Free source parameters (used in Sect. 5) | |
| q19F/q28Si | Abundance of 19F relative to 28Si |
| Ingredients of χ2 analysis (see Appendix A) | |
| [Nuisance parameters (mean and dispersion)] | |
| μϕ, σϕ | For solar modulation level: Appendix A.2 and Eq. (A.2) |
| μXS, σXS | For cross-section proxies: Appendix A.3 and Eqs. (A.7)–(A.9) |
| [Covariance matrix] | |
| (C)ij | For data uncertainties: Appendix A.4 and Eq. (A.10) |
| ℓα | Correlation length for uncertainty type α: Eq. (A.10) |
| [χ2 interpretation (best fit)] | |
 |
χ2 per degree of freedom (≲1 for good fit): Eq. (A.3) |
 |
Contrib. of nuisance d.o.f. in χ2 (0 if unused): Eq. (A.6) |
| Cross-section datasets (updated on nuclear data, Appendix B.1) | |
| OPT12 | Updated from the eponymous GALPROP dataset |
| OPT22 | Updated from the eponymous GALPROP dataset |
| OPT12up22 | Mixture (believed to provide the best description) |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.