Internal Detector Background from Two-Neutrino Double-Beta Decay in Searches for Neutrinoless Double-Beta Decay of \({}^{{150}}\)Nd

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发表日期：

2024年12月26日

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A. R. Amiraslanova,
Z. A. Akhmatov,
I. R. Barabanov,
A. V. Veresnikova,
V. I. Gurentsov,
A. M. Gangapshev,
D. M. Kabardova,
V. V. Kazalov,
Z. Kh. Kalazhokov,
A. A. Kanshaov,
G. Ya. Novikova,
D. A. Tekueva,
M. Sh. Tkhazaplizhev,
E. A. Yanovich

摘要

Abstract

The internal detector background arising in searches for neutrinoless double-beta decay of the isotope \({}^{150}\) Nd from the two-neutrino beta decay of the same isotope is calculated. The calculation is performed for a detector several liter in volume based on a neodymium-doped liquid organic scintillator and implemented in various configurations and at various neodymium concentrations of up to 5.5 g/l. Limits on the detector sensitivity in searches for neutrinoless double-beta decay of the isotope \({}^{150}\) Nd are obtained.