Measurements of 41Ca spallation cross sections and 41Ca concentrations in the grant meteorite by accelerator mass spectrometry

D. Fink; M. Paul; G. Hollos; S. Theis; S. Vogt; R. Stueck; P. Englert; R. Michel

doi:10.1016/0168-583X(87)90249-7

Measurements of ⁴¹Ca spallation cross sections and ⁴¹Ca concentrations in the grant meteorite by accelerator mass spectrometry

D. Fink^*, M. Paul, G. Hollos, S. Theis, S. Vogt, R. Stueck, P. Englert, R. Michel

^*Corresponding author for this work

Racah Institute of Physics

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25 Scopus citations

Abstract

Systematic measurements of spallogenic ⁴¹Ca in the iron meteorite Grant and in proton irradiated elemental Ni, Fe and Ti targets have been made by accelerator mass spectrometry using a 14UD Pelletron accelerator. Spallation (p, ⁴¹Ca) cross sections, were measured for proton energies between 40 and 600 MeV. For the Grant meteorite 5 samples at various depths, ranging from the post-atmospheric surface to centre, were measured in order to investigate the depth production profile of ⁴¹Ca. Using the measured excitation function for ⁴¹Ca on Fe, the production rate due solely to primary galactic cosmic rays is estimated and the importance of secondary flux production for ⁴¹Ca in a large meteorite is discussed.

Original language	English
Pages (from-to)	275-280
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	29
Issue number	1-2
DOIs	https://doi.org/10.1016/0168-583X(87)90249-7
State	Published - 2 Nov 1987

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Fink, D., Paul, M., Hollos, G., Theis, S., Vogt, S., Stueck, R., Englert, P., & Michel, R. (1987). Measurements of ⁴¹Ca spallation cross sections and ⁴¹Ca concentrations in the grant meteorite by accelerator mass spectrometry. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 29(1-2), 275-280. https://doi.org/10.1016/0168-583X(87)90249-7

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title = "Measurements of 41Ca spallation cross sections and 41Ca concentrations in the grant meteorite by accelerator mass spectrometry",

abstract = "Systematic measurements of spallogenic 41Ca in the iron meteorite Grant and in proton irradiated elemental Ni, Fe and Ti targets have been made by accelerator mass spectrometry using a 14UD Pelletron accelerator. Spallation (p, 41Ca) cross sections, were measured for proton energies between 40 and 600 MeV. For the Grant meteorite 5 samples at various depths, ranging from the post-atmospheric surface to centre, were measured in order to investigate the depth production profile of 41Ca. Using the measured excitation function for 41Ca on Fe, the production rate due solely to primary galactic cosmic rays is estimated and the importance of secondary flux production for 41Ca in a large meteorite is discussed.",

author = "D. Fink and M. Paul and G. Hollos and S. Theis and S. Vogt and R. Stueck and P. Englert and R. Michel",

year = "1987",

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doi = "10.1016/0168-583X(87)90249-7",

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volume = "29",

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Fink, D, Paul, M, Hollos, G, Theis, S, Vogt, S, Stueck, R, Englert, P & Michel, R 1987, 'Measurements of ⁴¹Ca spallation cross sections and ⁴¹Ca concentrations in the grant meteorite by accelerator mass spectrometry', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 29, no. 1-2, pp. 275-280. https://doi.org/10.1016/0168-583X(87)90249-7

Measurements of ⁴¹Ca spallation cross sections and ⁴¹Ca concentrations in the grant meteorite by accelerator mass spectrometry. / Fink, D.; Paul, M.; Hollos, G. et al.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 29, No. 1-2, 02.11.1987, p. 275-280.

Research output: Contribution to journal › Article › peer-review

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T1 - Measurements of 41Ca spallation cross sections and 41Ca concentrations in the grant meteorite by accelerator mass spectrometry

AU - Fink, D.

AU - Paul, M.

AU - Hollos, G.

AU - Theis, S.

AU - Vogt, S.

AU - Stueck, R.

AU - Englert, P.

AU - Michel, R.

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N2 - Systematic measurements of spallogenic 41Ca in the iron meteorite Grant and in proton irradiated elemental Ni, Fe and Ti targets have been made by accelerator mass spectrometry using a 14UD Pelletron accelerator. Spallation (p, 41Ca) cross sections, were measured for proton energies between 40 and 600 MeV. For the Grant meteorite 5 samples at various depths, ranging from the post-atmospheric surface to centre, were measured in order to investigate the depth production profile of 41Ca. Using the measured excitation function for 41Ca on Fe, the production rate due solely to primary galactic cosmic rays is estimated and the importance of secondary flux production for 41Ca in a large meteorite is discussed.

AB - Systematic measurements of spallogenic 41Ca in the iron meteorite Grant and in proton irradiated elemental Ni, Fe and Ti targets have been made by accelerator mass spectrometry using a 14UD Pelletron accelerator. Spallation (p, 41Ca) cross sections, were measured for proton energies between 40 and 600 MeV. For the Grant meteorite 5 samples at various depths, ranging from the post-atmospheric surface to centre, were measured in order to investigate the depth production profile of 41Ca. Using the measured excitation function for 41Ca on Fe, the production rate due solely to primary galactic cosmic rays is estimated and the importance of secondary flux production for 41Ca in a large meteorite is discussed.

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Measurements of ⁴¹Ca spallation cross sections and ⁴¹Ca concentrations in the grant meteorite by accelerator mass spectrometry

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