Global maps of lunar neutron fluxes from the LEND instrument
Article 2012 en
Authors
ML
M. L. Litvak
ИМ
И. Г. Митрофанов
АС
А. Б. Санин
Abstract
1 min read
The latest neutron spectrometer measurements with the Lunar Exploration Neutron Detector (LEND) onboard the Lunar Reconnaissance Orbiter (LRO) are presented. It covers more than 1 year of mapping phase starting on 15 September 2009. In our analyses we have created global maps showing regional variations in the flux of thermal (energy range < 0.015 eV) and fast neutrons (>0.5 MeV), and compared these fluxes to variances in soil elemental composition, and with previous results obtained by the Lunar Prospector Neutron Spectrometer (LPNS). We also processed data from LEND collimated detectors and derived a value for the collimated signal of epithermal neutrons based on the comparative analysis with the LEND omnidirectional detectors. Finally, we have compared our final (after the data reduction) global epithermal neutron map with LPNS data.
T. P. McClanahan, И. Г. Митрофанов, W. V. Boynton, R. Z. Sagdeev, J. I. Trombka, R. Starr, L. G. Evans, M. L. Litvak, G. Chin, James Jim Brian Garvin, А. Б. Санин, A. Malakhov, G. M. Milikh, K. Harshman, M. J. Finch, G. Nandikotkur
T. P. McClanahan, И. Г. Митрофанов, W. V. Boynton, G. Chin, G. Droege, L. G. Evans, James Jim Brian Garvin, K. Harshman, A. Malakhov, T. A. Livengood, G. M. Milikh, M. Namkung, G. Nandikotkur, G. A. Neumann, David E. Smith, R. Z. Sagdeev, А. Г. Санин, R. Starr, J. I. Trombka
T. P. McClanahan, И. Г. Митрофанов, W. V. Boynton, G. Chin, G. Droege, L. G. Evans, James Jim Brian Garvin, K. Harshman, M. L. Litvak, A. Malakhov, G. M. Milikha, M. Namkung, G. Nandikotkur, G. A. Neumann, David E. Smith, R. Z. Sagdeev, А. Г. Санин, R. Starr, J. I. Trombka, M. T. Zuber
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А. Б. Санин, И. Г. Митрофанов, M. L. Litvak, A. Malakhov, W. V. Boynton, G. Chin, G. Droege, L. G. Evans, James Jim Brian Garvin, D. V. Golovin, K. Harshman, T. P. McClanahan, М. И. Мокроусов, E. Mazarico, G. M. Milikh, G. A. Neumann, R. Z. Sagdeev, David E. Smith, R. Starr, M. T. Zuber
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