A Method to Load Tellurium in Liquid Scintillator for the Study of Neutrinoless Double Beta Decay
D.J. Auty, D. Bartlett, S.D. Biller, D. Chauhan, M. Chen, O., Chkvorets, S. Connolly, X. Dai, E. Fletcher, K. Frankiewicz, D. Gooding, C., Grant, S. Hall, D. Horne, S. Hans, B. Hreljac, T. Kaptanoglu, B. Krar, C., Kraus, T. Kroupova', I. Lam, Y. Liu, S. Maguire, C. Miller
TL;DR
This paper presents a new method for loading tellurium into liquid scintillator, enabling sensitive searches for neutrinoless double beta decay with high light yields and low backgrounds.
Contribution
It introduces an oil-soluble tellurium compound synthesis process suitable for underground use, improving detector performance for decay searches.
Findings
Achieved high tellurium loading levels of several percent by weight.
Produced scintillators with low optical absorption and high light yields.
Ensured low radioactive backgrounds suitable for underground experiments.
Abstract
A method has been developed to load tellurium into liquid scintillator so as to permit searches for neutrinoless double beta decay with high sensitivity. The approach involves the synthesis of an oil-soluble tellurium compound from telluric acid and an organic diol. The process utilises distillable chemicals that can be safely handled underground and affords low radioactive backgrounds, low optical absorption and high light yields at loading levels of at least several percent Te by weight.
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Taxonomy
TopicsNeutrino Physics Research · Radiation Detection and Scintillator Technologies