Electromagnetic isotope enrichment for accelerator mass spectrometry of 41Ca

A. Steinhof; K. H. Behr; A. Brünle; E. Roeckl; E. Boaretto; M. Paul; D. Fink; G. Hollos; W. Kutschera

doi:10.1016/0168-583x(89)90082-7

Electromagnetic isotope enrichment for accelerator mass spectrometry of ⁴¹Ca

A. Steinhof, K. H. Behr, A. Brünle, E. Roeckl, E. Boaretto, M. Paul, D. Fink, G. Hollos, W. Kutschera

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

11 Scopus citations

Abstract

A procedure to enrich the natural ⁴¹Ca abundance in calcium by variable amounts was developed at the GSI medium-current mass separator. The method was applied to increase the natural ⁴¹Ca Ca ratios in three samples of modern deer bone, which were subsequently measured by accelerator mass spectrometry at the Rehovot 14UD Pelletron tandem accelerator. The following enrichment factors and original ⁴¹ Ca Ca ratios were measured for three bone samples, which all originate from approximately the same region in Germany: (i) 24.9 ± 1.3, (1.8 ± 0.7) × 10^-14; (ii) 48.4 ± 2.4, (2.4 ± 0.6) × 10^-14; (iii) 49.3 ± 2.5, (5.7 ±1.1)×10^{-14 41}Ca Ca ratios lie at the upper end of terrestrial values measured in various bone samples at other laboratories. The measured ratios altogether spread over two orders of magnitude.

Original language	English
Pages (from-to)	73-81
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	43
Issue number	1
DOIs	https://doi.org/10.1016/0168-583x(89)90082-7
State	Published - Aug 1989
Externally published	Yes

Bibliographical note

Funding Information:
The authors would like to acknowledge the continuous support of W. Henning, who was one of the initiators of this project, and thank him for many fruitful discussions. This work was supported in part by the US Department of Energy, Nuclear Physics Division, under Contract W-31-109”ENG-38. Two of us (M.P. and W.K.) acknowledge the support in part by a grant from the USA-Israel Binational Science Foundation.

Funding

The authors would like to acknowledge the continuous support of W. Henning, who was one of the initiators of this project, and thank him for many fruitful discussions. This work was supported in part by the US Department of Energy, Nuclear Physics Division, under Contract W-31-109”ENG-38. Two of us (M.P. and W.K.) acknowledge the support in part by a grant from the USA-Israel Binational Science Foundation.

Funders	Funder number
Nuclear Physics Division	W-31-109, ENG-38
US Department of Energy
USA-Israel Binational Science Foundation

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10.1016/0168-583x(89)90082-7

Cite this

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title = "Electromagnetic isotope enrichment for accelerator mass spectrometry of 41Ca",

abstract = "A procedure to enrich the natural 41Ca abundance in calcium by variable amounts was developed at the GSI medium-current mass separator. The method was applied to increase the natural 41Ca Ca ratios in three samples of modern deer bone, which were subsequently measured by accelerator mass spectrometry at the Rehovot 14UD Pelletron tandem accelerator. The following enrichment factors and original 41 Ca Ca ratios were measured for three bone samples, which all originate from approximately the same region in Germany: (i) 24.9 ± 1.3, (1.8 ± 0.7) × 10-14; (ii) 48.4 ± 2.4, (2.4 ± 0.6) × 10-14; (iii) 49.3 ± 2.5, (5.7 ±1.1)×10-14 41Ca Ca ratios lie at the upper end of terrestrial values measured in various bone samples at other laboratories. The measured ratios altogether spread over two orders of magnitude.",

author = "A. Steinhof and Behr, {K. H.} and A. Br{\"u}nle and E. Roeckl and E. Boaretto and M. Paul and D. Fink and G. Hollos and W. Kutschera",

note = "Funding Information: The authors would like to acknowledge the continuous support of W. Henning, who was one of the initiators of this project, and thank him for many fruitful discussions. This work was supported in part by the US Department of Energy, Nuclear Physics Division, under Contract W-31-109”ENG-38. Two of us (M.P. and W.K.) acknowledge the support in part by a grant from the USA-Israel Binational Science Foundation.",

year = "1989",

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doi = "10.1016/0168-583x(89)90082-7",

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AU - Steinhof, A.

AU - Behr, K. H.

AU - Brünle, A.

AU - Roeckl, E.

AU - Boaretto, E.

AU - Paul, M.

AU - Fink, D.

AU - Hollos, G.

AU - Kutschera, W.

N1 - Funding Information: The authors would like to acknowledge the continuous support of W. Henning, who was one of the initiators of this project, and thank him for many fruitful discussions. This work was supported in part by the US Department of Energy, Nuclear Physics Division, under Contract W-31-109”ENG-38. Two of us (M.P. and W.K.) acknowledge the support in part by a grant from the USA-Israel Binational Science Foundation.

PY - 1989/8

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N2 - A procedure to enrich the natural 41Ca abundance in calcium by variable amounts was developed at the GSI medium-current mass separator. The method was applied to increase the natural 41Ca Ca ratios in three samples of modern deer bone, which were subsequently measured by accelerator mass spectrometry at the Rehovot 14UD Pelletron tandem accelerator. The following enrichment factors and original 41 Ca Ca ratios were measured for three bone samples, which all originate from approximately the same region in Germany: (i) 24.9 ± 1.3, (1.8 ± 0.7) × 10-14; (ii) 48.4 ± 2.4, (2.4 ± 0.6) × 10-14; (iii) 49.3 ± 2.5, (5.7 ±1.1)×10-14 41Ca Ca ratios lie at the upper end of terrestrial values measured in various bone samples at other laboratories. The measured ratios altogether spread over two orders of magnitude.

AB - A procedure to enrich the natural 41Ca abundance in calcium by variable amounts was developed at the GSI medium-current mass separator. The method was applied to increase the natural 41Ca Ca ratios in three samples of modern deer bone, which were subsequently measured by accelerator mass spectrometry at the Rehovot 14UD Pelletron tandem accelerator. The following enrichment factors and original 41 Ca Ca ratios were measured for three bone samples, which all originate from approximately the same region in Germany: (i) 24.9 ± 1.3, (1.8 ± 0.7) × 10-14; (ii) 48.4 ± 2.4, (2.4 ± 0.6) × 10-14; (iii) 49.3 ± 2.5, (5.7 ±1.1)×10-14 41Ca Ca ratios lie at the upper end of terrestrial values measured in various bone samples at other laboratories. The measured ratios altogether spread over two orders of magnitude.

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