A RN-222 SOURCE FOR LOW-BACKGROUND LIQUID SCINTILLATION DETECTORS

Authors
JOHNSON M BENZIGER J STOIA C CALAPRICE F CHEN M DARNTON N LOESER F VOGELAAR RB
Citation
M. Johnson et al., A RN-222 SOURCE FOR LOW-BACKGROUND LIQUID SCINTILLATION DETECTORS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 414(2-3), 1998, pp. 459-465
Citations number
14
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
Journal title
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment → ACNP
ISSN journal
01689002
Volume
414
Issue
2-3
Year of publication
1998
Pages
459 - 465
Database
ISI
SICI code
0168-9002(1998)414:2-3<459:ARSFLL>2.0.ZU;2-M
Abstract
A technique for producing a radioactive source suitable for use in a l ow-background liquid scintillation detector is described. Rn-222 was c oncentrated from air to prepare liquid scintillator sources spiked wit h 10(6) Bq/m(3) of the radioisotope. Air was stripped of CO, and water vapor, and passed over cooled charcoal which trapped the radon. The a ccumulated radon was desorbed and transferred into a pseudocumene-base d scintillator. These sources have been used for position calibration in the Counting Test Facility (a 5 m(3) spherical liquid scintillation detector) at the Laboratori Nazionali del Gran Sasso. (C) 1998 Elsevi er Science B.V. All rights reserved.