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dc.contributor.authorEnqvist, T.
dc.contributor.authorBarabanov, I. R.
dc.contributor.authorBezrukov, L. B.
dc.contributor.authorGangapshev, A. M.
dc.contributor.authorGavrilyuk, Y. M.
dc.contributor.authorGrishina, V. Yu.
dc.contributor.authorGurentsov, V. I.
dc.contributor.authorHissa, J.
dc.contributor.authorJoutsenvaara, J.
dc.contributor.authorKazalov, V. V.
dc.contributor.authorKrokhaleva, S.
dc.contributor.authorKutuniva, J.
dc.contributor.authorKuusiniemi, P.
dc.contributor.authorKuzminov, V. V.
dc.contributor.authorKurlovich, A. S.
dc.contributor.authorLoo, Kai
dc.contributor.authorLubsandorzhiev, B. K.
dc.contributor.authorLubsandorzhiev, S.
dc.contributor.authorMorgalyuk, V. P.
dc.contributor.authorNovikova, G. Y.
dc.contributor.authorPshukov, A. M.
dc.contributor.authorSinev, V. V.
dc.contributor.authorSlupecki, Maciej
dc.contributor.authorTrzaska, Wladyslaw
dc.contributor.authorUmerov, Sh. I.
dc.contributor.authorVeresnikova, A. V.
dc.contributor.authorVirkaj arvi, A.
dc.contributor.authorYanovich, Y. A.
dc.contributor.authorZavarzina, V. P.
dc.identifier.citationEnqvist, T., Barabanov, I. R., Bezrukov, L. B., Gangapshev, A. M., Gavrilyuk, Y. M., Grishina, V. Y., . . . Zavarzina, V. P. (2017). Towards 14C-free liquid scintillator. In <em>Neutrino 2016 : XXVII International Conference on Neutrino Physics and Astrophysics</em> (pp. 012098). Journal of Physics: Conference Series, 888. Institute of Physics Publishing. <a href="">doi:10.1088/1742-6596/888/1/012098</a>
dc.description.abstractA series of measurements has been started where the 14C concentration is determined from several liquid scintillator samples. A dedicated setup has been designed and constructed with the aim of measuring concentrations smaller than 10−18. Measurements take place in two underground laboratories: in the Baksan Neutrino Observatory, Russia, and in the new Callio Lab in the Pyhäsalmi mine, Finland. Low-energy neutrino detection with a liquid scintillator requires that the intrinsic 14C concentration in the liquid is extremely low. In the Borexino CTF detector the concentration of 2 × 10−18 has been achieved being the lowest value ever measured. In principle, the older the oil or gas source that the liquid scintillator is derived from and the deeper it situates, the smaller the 14C concentration is supposed to be. This, however, is not generally the case and the concentration is probably due to the U and Th content of the local environment.
dc.publisherInstitute of Physics Publishing
dc.relation.ispartofNeutrino 2016 : XXVII International Conference on Neutrino Physics and Astrophysics
dc.relation.ispartofseriesJournal of Physics: Conference Series;888
dc.subject.otherlow-energy neutrino detection
dc.subject.otherliquid scintillators
dc.subject.otherisotope ratio
dc.titleTowards 14C-free liquid scintillator
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.type.coarconference paper
dc.rights.copyright© 2017 the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License.

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© 2017 the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License.
Except where otherwise noted, this item's license is described as © 2017 the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License.