Numerical modeling of neutron spectra above the Martian surface (preliminary results)

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Numerical modeling of neutron spectra above the Martian surface (preliminary results)

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Numerical modeling of neutron spectra above the Martian surface (preliminary results)

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Numerical modeling of neutron spectra above the Martian surface(preliminary results)

Krylov A.R., Shvetsov V.N., Timoshenko G.N.

141980, JINR, Dubna, Russia

“The First year of HEND operation

- Four elements: Si, O, Fe, H
- Elements percentage [i]:
- O – 56.7 w. %
- Si – 26.6 w. % + H2O
- Fe – 16.7 w. %
Joseph Masarik and Robert C. Reedy Journal of Geophysical Research, vol.101, No. E8, p.p. 18,891-18,912, August 25, 1996.

“The First year of HEND operation

Soil & water densities = 1 g/cm3

“The First year of HEND operation

Astroparticle Physics,

16(2001), 13-46

RUNJOB Collaboration

“The First year of HEND operation

“The First year of HEND operation

- LAHET (Los Alamos High Energy Transport), Bertini model for intranuclear cascade
+

- MCNP4B (Monte Carlo N-Particle)

“The First year of HEND operation

“The First year of HEND operation

“The First year of HEND operation

“The First year of HEND operation

“The First year of HEND operation

- Taking into account the modulation of GCR flux due to Solar activity
- Comparison of the results, obtained with different computer codes (different models) & data libraries
- Soil content specification
- Importance of the “Ratio’s” information

“The First year of HEND operation