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Cosmogenic-radionuclide profiles in Knyahinya: New measurements and modelsCosmic-ray-produced nuclides measured in samples taken from known locations on a big slab of the large (R approximately equals to 45 cm) L5-chondrite Knyahinya provide good depth-vs-concentration profiles to develop and test models for the production of cosmogenic nuclides in meteorites. We report new profiles for Be-10, Al-26, Cl-36 in metallic and non-magnetic phases of 8 documented samples from Knyahinya and for C-14 in bulk samples from 7 Knyahinya samples. These new measured profiles are very similar to profiles calculated with particle fluxes from the LAHET Monte Carlo production and transport code system and with cross sections for major reactions.
Document ID
19940016240
Document Type
Conference Paper
Authors
Reedy, R. C. (Los Alamos National Lab. NM, United States)
Masarik, J. (Los Alamos National Lab. NM, United States)
Nishiizumi, K. (California Univ. La Jolla., United States)
Arnold, J. R. (California Univ. La Jolla., United States)
Finkel, R. C. (Lawrence Livermore National Lab. CA., United States)
Caffee, M. W. (Lawrence Livermore National Lab. CA., United States)
Southon, J. (Lawrence Livermore National Lab. CA., United States)
Jull, A. J. T. (Arizona Univ. Tucson., United States)
Donahue, D. J. (Arizona Univ. Tucson., United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 3: N-Z
Subject Category
SPACE RADIATION
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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