ICRM-LLRMT 2022

Session

Techniques for low-level α-particle, β-particle and γ-ray measurements

May 3, 2022, 4:50 PM

"E. Fermi" conference room (LNGS)

Conveners

Techniques for low-level α-particle, β-particle and γ-ray measurements

• Dirk Arnold (PTB)

77. BALOO, A BASEMENT CdWO4 SCINTILLATION LOW BACKGROUND DETECTOR

Prof. Fedor Danevich (Institute for Nuclear Research of NASU, Kyiv, Ukraine)

5/3/22, 4:50 PM

Techniques for low-level α-particle, β-particle and γ-ray measurements

Poster Presentation

BALOO (BAsement scintillation LOw-backgrOund detector) is a low-background scintillation set-up constructed in a basement room at the Institute for Nuclear Research of NASU for assessment of materials radiopurity, R&D of radiopure scintillation materials and small scale low counting experiments. A CdWO4 crystal scintillator 7 cm in diameter and 7 cm height is viewed by a low-background...

80. Development of an ultralow-background bolometric alpha detector for the measurement of surface contamination

Emanuela Celi (Istituto Nazionale di Fisica Nucleare)

5/3/22, 5:10 PM

Techniques for low-level α-particle, β-particle and γ-ray measurements

Oral Presentation

Next-generation experiments searching for rare events must satisfy increasingly stringent requirements on the bulk and surface radioactive contamination of their active and structural materials. The measurement of surface contamination is particularly challenging, as no existing technology is capable of separately measuring those parts of the 232Th and 238Th decay chains that are commonly...

87. ACTIVITY CALIBRATION OF 222Rn BY LSC AND DETERMINATION OF THE HALF-LIFE OF 214Po

Prof. Philippe Cassette (Sofia University “St. Kliment Ohridski” )

5/3/22, 5:30 PM

Techniques for low-level α-particle, β-particle and γ-ray measurements

Oral Presentation

Liquid scintillation counting is a well-suited method for the activity calibration of 222Rn sources, as the geometrical efficiency is 4sr and the detection efficiency is close to 5 at equilibrium with the progenies. In the past we have developed a method to calculate this detection efficiency for the Triple to Double Coincidence Ratio (TDCR) method, considering some simplifications, like...