Galactic secondary positron flux at the Earth | Astronomy & Astrophysics (A&A)

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Table 1:

Typical combinations of diffusion parameters that are compatible with the B/C analysis (Maurin et al. 2001).
Model	$\delta$	K₀	L	$V_{\rm c}$	$V_{\rm a}$
		[kpc²/Myr]	[kpc]	[km s^-1]	[km s^-1]
MIN	0.85	0.0016	1	13.5	22.4
MED	0.70	0.0112	4	12	52.9
MAX	0.46	0.0765	15	5	117.6

As shown in Donato et al. (2004), these propagation models correspond respectively
to minimal, medium, and maximal primary antiproton fluxes.

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