Measurement of the 14C Content in Liquid Scintillators by Means of a Small-Volume Detector in the Low-Background Chamber of the Baksan Neutrino Observatory

I Barabanov ,V B Petkov,V V Kazalov,Sh I Umerov,A M Gangapshev,V P Morgalyuk,A K Mezhokh,A S Kurlovich,T Enquist,V Yu Grishina,V V Sinev,A M Pshukov,Yu M Gavrilyuk,Sultim Lubsandorzhiev ,A Veresnikova ,Б Лубсандоржиев ,V V Kuzminov ,P Kuusiniemi ,L Bezrukov ,Jari Joutsenvaara ,G Ya Novikova ,P Yu Naumov ,V Gurentsov ,A Sidorenkov ,В П Заварзина ,E Yanovich ,Svetlana Krokhaleva ,A Virkajärvi

doi:10.1134/s1063778817060059

Measurement of the 14C Content in Liquid Scintillators by Means of a Small-Volume Detector in the Low-Background Chamber of the Baksan Neutrino Observatory

I Barabanov , V B Petkov + Show 26 more

https://doi.org/10.1134/s1063778817060059

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Journal: Physics of Atomic Nuclei	Publication Date: Nov 1, 2017
Citations: 2

Affiliation: Institute for Nuclear Research, A. N. Nesmeyanov Institute of Organoelement Compounds, University of Oulu, Moscow Engineering Physics Institute, Moscow Institute of Physics and Technology

#Liquid Scintillator #Russian Academy Of Sciences + Show 8 more

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Abstract

A setup for measuring natural-radioactivity backgrounds and ultralow concentrations of the isotope 14C in samples of a liquid organic scintillator was created at the low-background laboratory of the Baksan Neutrino Observatory (Institute for Nuclear Research, Russian Academy of Sciences) at a depth of 4900 mwe. The concentration of the radiocarbon 14C in a sample of a scintillator based on domestically produced linear alkylbenzene was measured, and it was found that 14C/12C (3.3 ± 0.5) × 10−17.

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