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


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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.

About the authors

I. R. Barabanov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

L. B. Bezrukov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

A. V. Veresnikova

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

Yu. M. Gavrilyuk

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

A. M. Gangapshev

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. Yu. Grishina

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. I. Gurentsov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. P. Zavarzina

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. V. Kazalov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

S. D. Krokhaleva

Institute for Nuclear Research; Moscow Institute of Physics and Technology (State University)

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312; Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700

V. V. Kuz’minov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

A. S. Kurlovich

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

B. K. Lubsandorzhiev

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

S. B. Lubsandorzhiev

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

A. K. Mezhokh

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. P. Morgalyuk

Nesmeyanov Institute of Organoelement Compounds

Email: vsinev@inr.ac.ru
Russian Federation, ul. Vavilova 28, Moscow, 119334

P. Yu. Naumov

National Research Nuclear University MEPhI

Email: vsinev@inr.ac.ru
Russian Federation, Kashirskoe sh. 31, Moscow, 115409

G. Ya. Novikova

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. B. Petkov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

A. M. Pshukov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

A. Yu. Sidorenkov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

V. V. Sinev

Institute for Nuclear Research

Author for correspondence.
Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

Sh. I. Umerov

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

E. A. Yanovich

Institute for Nuclear Research

Email: vsinev@inr.ac.ru
Russian Federation, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312

T. Enquist

University of Oulu

Email: vsinev@inr.ac.ru
Finland, Pentti Kaiteran katu 1, Oulu, 90570

P. Kuusiniemi

University of Oulu

Email: vsinev@inr.ac.ru
Finland, Pentti Kaiteran katu 1, Oulu, 90570

J. Joutsenvaara

University of Oulu

Email: vsinev@inr.ac.ru
Finland, Pentti Kaiteran katu 1, Oulu, 90570

A. Virkajarvi

University of Oulu

Email: vsinev@inr.ac.ru
Finland, Pentti Kaiteran katu 1, Oulu, 90570

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