Multi-site Event Discrimination in Large Liquid Scintillation Detectors

Autor: Dunger, Jack, Biller, Steven D.
Rok vydání: 2019
Předmět:
Zdroj: NIM Volume 943, 1 November 2019, 162420
Druh dokumentu: Working Paper
DOI: 10.1016/j.nima.2019.162420
Popis: Simulation studies have been carried out to explore the ability to discriminate between single-site and multi-site energy depositions in large scale liquid scintillation detectors. A robust approach has been found that is predicted to lead to a significant statistical separation for a large variety of event classes, providing a powerful tool to discriminate against backgrounds and break important degeneracies in signal extraction. This has particularly relevant implications for liquid scintillator searches for neutrinoless double beta decay ($0\nu\beta\beta$) from $^{130}$Te and $^{136}$Xe, where it is possible for a true $0\nu\beta\beta$ signal to be distinguished from most radioactive backgrounds (including those from cosmogenic production) as well as unknown gamma lines from the target isotope.
Comment: 20 pages, 10 figures
Databáze: arXiv