A 222Rn source for low-background liquid scintillation detectors

Michael Johnson; Jay Benziger; Catherine Stoia; Frank Calaprice; Mark Chen; Nicholas Darnton; Fred Loeser; R. Bruce Vogelaar

doi:10.1016/S0168-9002(98)00632-9

A ²²²Rn source for low-background liquid scintillation detectors

Michael Johnson, Jay Benziger, Catherine Stoia, Frank Calaprice, Mark Chen, Nicholas Darnton, Fred Loeser, R. Bruce Vogelaar

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A technique for producing a radioactive source suitable for use in a low-background liquid scintillation detector is described. ²²²Rn was concentrated from air to prepare liquid scintillator sources spiked with 10⁶ Bq/m³ of the radioisotope. Air was stripped of CO₂ and water vapor, and passed over cooled charcoal which trapped the radon. The accumulated radon was desorbed and transferred into a pseudocumene-based scintillator. These sources have been used for position calibration in the Counting Test Facility (a 5 m³ spherical liquid scintillation detector) at the Laboratori Nazionali del Gran Sasso.

Original language	English (US)
Pages (from-to)	459-465
Number of pages	7
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	414
Issue number	2-3
DOIs	https://doi.org/10.1016/S0168-9002(98)00632-9
State	Published - Sep 11 1998

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Instrumentation

Keywords

Liquid scintillator
Radon

Access to Document

10.1016/S0168-9002(98)00632-9

Cite this

Johnson, M., Benziger, J., Stoia, C., Calaprice, F., Chen, M., Darnton, N., Loeser, F., & Bruce Vogelaar, R. (1998). A ²²²Rn source for low-background liquid scintillation detectors. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 414(2-3), 459-465. https://doi.org/10.1016/S0168-9002(98)00632-9

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title = "A 222Rn source for low-background liquid scintillation detectors",

abstract = "A technique for producing a radioactive source suitable for use in a low-background liquid scintillation detector is described. 222Rn was concentrated from air to prepare liquid scintillator sources spiked with 106 Bq/m3 of the radioisotope. Air was stripped of CO2 and water vapor, and passed over cooled charcoal which trapped the radon. The accumulated radon was desorbed and transferred into a pseudocumene-based scintillator. These sources have been used for position calibration in the Counting Test Facility (a 5 m3 spherical liquid scintillation detector) at the Laboratori Nazionali del Gran Sasso.",

keywords = "Liquid scintillator, Radon",

author = "Michael Johnson and Jay Benziger and Catherine Stoia and Frank Calaprice and Mark Chen and Nicholas Darnton and Fred Loeser and {Bruce Vogelaar}, R.",

note = "Funding Information: We wish to thank the National Science Foundation for their financial of this work through grant NSF PHY-9420866. We also thank Mattias Laubenstein and Gerd Heusser for their useful suggestions for trapping radon on carbon.",

year = "1998",

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doi = "10.1016/S0168-9002(98)00632-9",

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Johnson, M, Benziger, J, Stoia, C, Calaprice, F, Chen, M, Darnton, N, Loeser, F & Bruce Vogelaar, R 1998, 'A ²²²Rn source for low-background liquid scintillation detectors', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 414, no. 2-3, pp. 459-465. https://doi.org/10.1016/S0168-9002(98)00632-9

TY - JOUR

T1 - A 222Rn source for low-background liquid scintillation detectors

AU - Johnson, Michael

AU - Benziger, Jay

AU - Stoia, Catherine

AU - Calaprice, Frank

AU - Chen, Mark

AU - Darnton, Nicholas

AU - Loeser, Fred

AU - Bruce Vogelaar, R.

N1 - Funding Information: We wish to thank the National Science Foundation for their financial of this work through grant NSF PHY-9420866. We also thank Mattias Laubenstein and Gerd Heusser for their useful suggestions for trapping radon on carbon.

PY - 1998/9/11

Y1 - 1998/9/11

N2 - A technique for producing a radioactive source suitable for use in a low-background liquid scintillation detector is described. 222Rn was concentrated from air to prepare liquid scintillator sources spiked with 106 Bq/m3 of the radioisotope. Air was stripped of CO2 and water vapor, and passed over cooled charcoal which trapped the radon. The accumulated radon was desorbed and transferred into a pseudocumene-based scintillator. These sources have been used for position calibration in the Counting Test Facility (a 5 m3 spherical liquid scintillation detector) at the Laboratori Nazionali del Gran Sasso.

AB - A technique for producing a radioactive source suitable for use in a low-background liquid scintillation detector is described. 222Rn was concentrated from air to prepare liquid scintillator sources spiked with 106 Bq/m3 of the radioisotope. Air was stripped of CO2 and water vapor, and passed over cooled charcoal which trapped the radon. The accumulated radon was desorbed and transferred into a pseudocumene-based scintillator. These sources have been used for position calibration in the Counting Test Facility (a 5 m3 spherical liquid scintillation detector) at the Laboratori Nazionali del Gran Sasso.

KW - Liquid scintillator

KW - Radon

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