A Markov Chain Monte Carlo technique to sample transport and source parameters of Galactic cosmic rays - I. Method and results for the Leaky-Box model

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Table 1:

Most probable values of the propagation parameters for different models, using B/C data (HEAO-3 only).
Model	$\lambda _0$	R₀	$\delta$	${\cal V}_a$	$\chi_{{\rm min}}^2/$ d.o.f.
	(g cm^-2)	(GV)		(km s^-1 kpc^-1)
I	$\rm 54^{+2}_{-2}$	$\rm 4.2^{+0.3}_{-0.9}$	$\rm0.70^{+0.01}_{-0.01}$	...	3.35
II	$\rm 26^{+2}_{-2}$	...	$\rm0.52^{+0.02}_{-0.02}$	$\rm 88^{+6}_{-11}$	1.43
III	$\rm 30^{+5}_{-4}$	$\rm 2.8^{+0.6}_{-0.8}$	$\rm0.58^{+0.01}_{-0.06}$	$\rm 75^{+10}_{-13}$	1.30

Note 1: Obtained after marginalising over the other parameters. The uncertainties correspond to 68% CL of the marginalised PDF (see Appendix A). The last column shows the minimum $\chi^2/$ d.o.f. obtained for each model (see Table 3 for the best-fit parameters).

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