Journal article
Measurement of the cosmogenic activation of germanium detectors in EDELWEISS-III
- Abstract:
- We present a measurement of the cosmogenic activation in the cryogenic germanium detectors of the EDELWEISS III direct dark matter search experiment. The decay rates measured in detectors with different exposures to cosmic rays above ground are converted into production rates of different isotopes. The measured production rates in units of nuclei/kg/day are 82 ± 21 for 3H, 2.8 ± 0.6 for 49V, 4.6 ± 0.7 for 55Fe, and 106 ± 13 for 65Zn. These results are the most accurate for these isotopes. A 90% C.L. lower limit on the production rate of 68Ge of 71 nuclei/kg/day is also presented. They are compared to model predictions present in literature and to estimates calculated with the ACTIVIA code.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Accepted manuscript, pdf, 1.0MB, Terms of use)
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- Publisher copy:
- 10.1016/j.astropartphys.2017.03.006
Authors
- Publisher:
- Elsevier
- Journal:
- Astroparticle Physics More from this journal
- Volume:
- 91
- Pages:
- 51-64
- Publication date:
- 2017-03-27
- Acceptance date:
- 2017-03-24
- DOI:
- ISSN:
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0927-6505
- Keywords:
- Pubs id:
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pubs:687167
- UUID:
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uuid:4a0122ad-9993-4d18-9366-79c9f7ddc67a
- Local pid:
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pubs:687167
- Source identifiers:
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687167
- Deposit date:
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2017-03-27
Terms of use
- Copyright holder:
- © 2017 Elsevier BV All rights reserved
- Copyright date:
- 2017
- Notes:
- This is the author accepted manuscript following peer review version of the article. The final version is available online from Elsevier at: 10.1016/j.astropartphys.2017.03.006
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