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Earth, Planets and Space

Table 2 Parameters of proton and alpha particle energy spectra, and total fluxes (particle/cm2/s) used in our calculations. The total fluxes were obtained by integration of the spectra ranging from 10 MeV/n to 20 GeV/n. *Units are particle/cm2/s.

From: Neutron production in the lunar subsurface from alpha particles in galactic cosmic rays

Particle

C

a

b

γ

Flux*

Flux*

Flux*

 

(1/cm2/s/MeV)

(MeV)

(1/MeV)

 

(φ = 500)

(φ = 550)

(φ = 600)

Proton

1.24E+06

780

2.50E-04

2.65

3.16

2.88

2.63

Alpha

2.26E+05

660

1.40E-04

2.77

0.233

0.21

0.19

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