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Neutron Production ...
Neutron Production in the Lunar Subsurface from Galactic Cosmic Rays
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- Ota, S. (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Waseda University
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- Sihver, Lembit, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kobayashi, Shinji (author)
- Japan Aerospace Exploration Agency (JAXA)
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- Hasebe, N (author)
- Waseda University
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(creator_code:org_t)
- ISBN 9781424438877
- 2009
- 2009
- English.
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In: IEEE Aerospace Conference Proceedings. - 1095-323X. - 9781424438877
- Related links:
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The neutron production from galactic cosmic ray (GCR) protons and alpha particles in the lunar subsurface was estimated using the three-dimensional Monte Carlo simulation code PHITS. The PHITS simulations of equilibrium neutron density profiles in the lunar subsurface were compared with experimental data by the Apollo 17 Lunar Neutron Probe Experiment. By use of the latest GCR spectra based on BESS measurements and well-benchmarked nuclear interaction models, our calculations well reproduced the data within the experimental error of 15% (measurement) + 30% (systematic) at the region shallower than 300 g/cm2. However, our calculation showed 10-20% higher values in the deeper region.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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