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.
| Original language | English |
|---|---|
| Pages (from-to) | 174-178 |
| Number of pages | 5 |
| Journal | Geochronometria |
| Volume | 43 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 1 2016 |
All Science Journal Classification (ASJC) codes
- Earth and Planetary Sciences (miscellaneous)
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Fujiwara, T., Toyoda, S., Uchida, A., Nishido, H., & Ishibashi, J. I. (2016). The alpha effectiveness of the dating ESR signal in barite: Possible dependence with age. Geochronometria, 43(1), 174-178. https://doi.org/10.1515/geochr-2015-0043