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The Brazilian AMS Radiocarbon Laboratory (LAC-UFF) and the Intercomparison of Results with CENA and UGAMS

Published online by Cambridge University Press:  09 February 2016

K D Macario*
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
P R S Gomes
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
R M Anjos
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
C Carvalho
Affiliation:
Departamento de Ciências da Natureza, Universidade do Estado do Rio de Janeiro. Rua Santa Alexandrina, 288, Rio de Janeiro 20261-232 RJ, Brazil
R Linares
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
E Q Alves
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
F M Oliveira
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
M D Castro
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil Instituto Superior de Tecnologías y Ciencias Aplicadas, InSTEC, Quinta de los Molinos, Ave. Salvador Allende y Luaces, Plaza de la Revolución, Havana, Cuba
I S Chanca
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
M F M Silveira
Affiliation:
Instituto de Física, Universidade Federal Fluminense. Av. Gal. Milton Tavares de Souza, S/N, Niterói 24210-346 RJ, Brazil
L C R Pessenda
Affiliation:
CENA- USP, Avenida Centenário, 303, Piracicaba 13416-000 SP, Brazil
L M B Moraes
Affiliation:
CENA- USP, Avenida Centenário, 303, Piracicaba 13416-000 SP, Brazil
T B Campos
Affiliation:
CENA- USP, Avenida Centenário, 303, Piracicaba 13416-000 SP, Brazil
A Cherkinsky
Affiliation:
UGAMS, Center for Applied Isotope Studies, CAIS, University of Georgia, 120 Riverbend Rd., Athens, Georgia 30602, USA
*
2Corresponding author. Email: kita@if.uff.br.

Abstract

After 22 yr of the low-level liquid scintillation counting 14C laboratory at the Center for Nuclear Energy in Agriculture (CENA) at São Paulo University (USP), Piracicaba, Brazil, and several collaborative projects with Brazilian and international researchers from distinct scientific areas, the first 14C accelerator mass spectrometry (AMS) laboratory in Latin America was installed at the Physics Institute of the Universidade Federal Fluminense (UFF), Niterói, Brazil. A 250kV single stage accelerator produced by National Electrostatics Corporation began its operation in 2012. In this work, we compare measurements performed at the AMS Radiocarbon Laboratory at UFF (LAC-UFF) with those performed at CENA and the University of Georgia (UGAMS), Georgia, USA. All the results obtained from distinct inorganic and organic samples were in very good agreement.

Type
Articles
Copyright
Copyright © 2013 by the Arizona Board of Regents on behalf of the University of Arizona 

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