Scintillation decay time and pulse shape discrimination in oxygenated and deoxygenated solutions of linear alkylbenzene for the SNO+ experiment

O'Keeffe, Helen and O’Sullivan, E. and Chen, M. C. (2011) Scintillation decay time and pulse shape discrimination in oxygenated and deoxygenated solutions of linear alkylbenzene for the SNO+ experiment. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 640 (1). pp. 119-122. ISSN 0168-9002

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Abstract

The SNO+ liquid scintillator experiment is under construction in the SNOLAB facility in Canada. The success of this experiment relies upon accurate characterization of the liquid scintillator, linear alkylbenzene (LAB). In this paper, scintillation decay times for alpha and electron excitations in LAB with 2 g/L PPO are presented for both oxygenated and deoxygenated solutions. While deoxygenation is expected to improve pulse shape discrimination in liquid scintillators, it is not commonly demonstrated in the literature. This paper shows that for linear alkylbenzene, deoxygenation improves discrimination between electron and alpha excitations in the scintillator.

Item Type:
Journal Article
Journal or Publication Title:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
?? LINEAR ALKYLBENEZENELIQUID SCINTILLATOR SCINTILLATOR TIMING PULSE SHAPE DISCRIMINATION SNO+INSTRUMENTATIONNUCLEAR AND HIGH ENERGY PHYSICS ??
ID Code:
69600
Deposited By:
Deposited On:
12 Jun 2014 13:17
Refereed?:
Yes
Published?:
Published
Last Modified:
17 Sep 2023 01:32