Light yield quenching and quenching remediation in liquid scintillator detectors

被引：4
|
作者：
Hans, S. [1 ,2 ]
Cumming, J. B. [1 ]
Rosero, R. [1 ]
Perez, R. Diaz [1 ]
Reyes, C. Camilo [1 ]
Gokhale, S. S. [1 ]
Yeh, M. [1 ,3 ]
机构：
[1] Brookhaven Natl Lab, Chem Div, Upton, NY 11973 USA
[2] CUNY Bronx Community Coll, Chem Dept, Bronx, NY 10453 USA
[3] Brookhaven Natl Lab, Instrumentat Div, Upton, NY 11973 USA
来源：
JOURNAL OF INSTRUMENTATION | 2020年 / 15卷 / 12期
关键词：
Ionization and excitation processes; Liquid detectors; Neutrino detectors; Scintillators; scintillation and light emission processes (solid; gas and liquid scintillators); FLUORESCENCE; DIMERIZATION; ABSORPTION; ENERGY;
D O I：
10.1088/1748-0221/15/12/P12020
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Quenching of light emission from an LAB based scintillator by the addition of organic amines and carboxylic acids is examined. Chemical functional groups of the quenching agents play an important role in this reduction. It is shown that "salt" formation at a 1:1 mole ratio in a mixed amine-acid system, reduces quenching by a factor of similar to 2. Supporting NMR spectra are presented. This "quenching neutralization" has the potential to reduce the light loss incurred when metals complexed with quenching agents are loaded into organic scintillators.
引用
收藏
页数：16
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