Lifetimes of 214Po and 212Po measured with Counting Test Facility at Gran Sasso National Laboratory

G Bellini,R Saldanha,L Perasso,O Zaimidoroga,S Perasso,Andrea Ianni,G Testera,G Manuzio,A Pocar,M Misiaszek,C Ghiano,S Manecki,L Papp,G Bonfini,Q Meindl,D Bick,S Gazzana,G Zuzel,M Obolensky,E Meroni,W Maneschg,C Carraro,B Caccianiga,K Otis,L Grandi,D Montanari,D Kryn,K Fomenko,Aldo Ianni,P Cavalcante,Y Suvorov,S Davini,E Guardincerri,T Lewke,C Salvo,G Korga,N Rossi,D Bravo,A Razeto,M Buizza Avanzini,A Sotnikov,F Von Feilitzsch,R Tartaglia,A Wright,D Franco,E Litvinovich,M Laubenstein ,F Ortica ,C Galbiati ,S Sukhotin ,Viacheslav Chubakov ,M Lissia ,V Kobychev ,Fabio Mantovani ,M Wójcik ,L Miramonti ,L Cadonati ,M Skorokhvatov ,A Derbin ,J Winter ,M G ̈Oger-Neff ,J Benziger ,Alessandro Re ,Y Koshio ,O Smirnov ,S Nisi ,A Goretti ,S Zavatarelli ,F Calaprice ,L Oberauer ,L Ludhová ,B Loer ,A Sabelnikov ,Á Chavarría ,A Etenko ,M Pallavicini ,D D’angelo ,M Giammarchi ,M Wurm ,J Xu ,P Mosteiro ,S Hardy ,I Machulin ,A Chepurnov ,S Sch ̈Onert ,R B Vogelaar ,P Lombardi ,G Ranucci ,F Lombardi ,Gerti Xhixha ,A Romani ,V Muratova ,H Simgen ,D Korablëv

doi:10.1016/j.jenvrad.2014.02.025

Lifetimes of 214Po and 212Po measured with Counting Test Facility at Gran Sasso National Laboratory

G Bellini, R Saldanha + Show 92 more

https://doi.org/10.1016/j.jenvrad.2014.02.025

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Journal: Journal of Environmental Radioactivity	Publication Date: Apr 13, 2014
Citations: 1

Affiliation: Princeton University, Joint Institute for Nuclear Research, University of Massachusetts Amherst, Gran Sasso National Laboratory, Virginia Tech, Technical University of Munich, Universität Hamburg, Max Planck Society, Kurchatov Institute, Petersburg Nuclear Physics Institute, Institute for Nuclear Research, University of Ferrara

#Counting Test Facility #Gran Sasso National Laboratory + Show 6 more

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Abstract

The decays of 214Po into 210Pb and of 212Po into 208Pb tagged by the previous decays from 214Bi and 212Bi have been studied inserting quartz vials inside the Counting Test Facility (CTF) at the underground laboratory in Gran Sasso (LNGS). We find that the mean lifetime of 214Po is (236.00 ± 0.42(stat) ± 0.15(syst)) μs and that of 212Po is (425.1 ± 0.9(stat) ± 1.2(syst)) ns. Our results are compatible with previous measurements, have a much better signal to background ratio, and reduce the overall uncertainties.

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