The alpha effectiveness of the dating ESR signal in barite: possible dependence with age-Reference-Cited by-同舟云学术

The alpha effectiveness of the dating ESR signal in barite: possible dependence with age

Published:2016-01-01 Issue:1 Volume:43 Page:174-178
ISSN:1897-1695
Container-title:Geochronometria
language:en
Short-container-title:

Author:

Fujiwara Taisei¹,Toyoda Shin¹,Uchida Ai¹,Nishido Hirotsugu²,Ishibashi Jun-Ichiro³

Affiliation:

1. Department of Applied Physics, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama 700-0005, Japan

2. Research Institute of Natural Sciences, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama 700-0005, Japan

3. Department of Earth and Planetary Sciences, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

Abstract The alpha effectiveness value (k-value) for the ESR (Electron Spin Resonance) signal due to SO3 - in barite was revised by comparing the dose responses of the signal intensities to gamma rays and to 4 MeV He+ ion doses in natural sea-floor hydrothermal barite samples actually used for dating. Of the values obtained for a synthetic, a natural old, and a natural young samples, the one for the natural young sample is tentatively adopted, which is 0.053 ± 0.006, although further works are still necessary to establish this value.

Publisher

Walter de Gruyter GmbH

Subject

Earth and Planetary Sciences (miscellaneous)

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