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Analysis of 26Al in meteorite samples by coincidence gamma-ray spectrometry

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Abstract

Large volume Ge-detectors have been used for the analysis of positron emitters of cosmogenic origin in extraterrestrial samples including lunar samples and meteorites. We present results from the analysis of 26Al in the Rumanová chondrite which was found in 1994 in Slovakia. A slide of the meteorite was cut into ~1 cm3 cubes which were analyzed in a coincidence Ge–NaI(Tl) spectrometer placed in a large shield measuring 1.5 × 1.5 × 2 m3, and consisting of iron, lead and copper layers. Operational characteristics of the spectrometer are presented and discussed, as well as the 26Al profile observed in the meteorite.

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Acknowledgement

A part of this research was supported by the Slovak Scientific Agency VEGA (Grants No. 1/0036/09 and 1/108/08).

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Authors and Affiliations

  1. Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynska dolina F1, 842 48, Bratislava, Slovakia

    P. P. Povinec, I. Sýkora, V. Porubčan & M. Ješkovský

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  1. P. P. Povinec
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  2. I. Sýkora
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  3. V. Porubčan
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  4. M. Ješkovský
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Correspondence to P. P. Povinec.

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Povinec, P.P., Sýkora, I., Porubčan, V. et al. Analysis of 26Al in meteorite samples by coincidence gamma-ray spectrometry. J Radioanal Nucl Chem 282, 805–808 (2009). https://doi.org/10.1007/s10967-009-0211-7

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  • DOI: https://doi.org/10.1007/s10967-009-0211-7

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