Development and prospects of neutrinoless double-beta decay experiments
Neutrinoless double-beta decay is an important physics topic beyond the Standard Model.Based on decades of theoretical and experimental research,a somewhat full understanding of its possible physical mechanism and the experimental technical requirements have been established.Many groups worldwide are attempting to detect neutrinoless double-beta decay events using various detection techniques,and have given a lower half-life limit of 1026 years.Now,the next generation of experimental facilities are being appraised or are under construction,with the aim to improve the half-life sensitivity to above 1027 years.The China Jinping Underground Laboratory(CJPL),a world-leading ultralow background facility,provides many different kinds of detection techniques.This paper will review the current status of the major facilities worldwide conducting neutrinoless double-beta decay experiments,including the prospects of such experiments in CJPL,which will be based on various detection schemes.
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