Dosimetric tests of an extrapolation chamber in standard computed tomography beams

Autor: Maysa C. Castro, Natalia F. Silva, Linda V.E. Caldas

Publikováno v: Brazilian Journal of Radiation Sciences. 9

Computed tomography (CT) diagnostic exams are responsible for the highest dose values to the patients. Therefore, the radiation doses in this procedure must be accurate. For the dosimetry of CT beams, the radiation detector is usually a pencil-type i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2523a113bc62d961cb7f54376e6078d8
https://doi.org/10.15392/bjrs.v9i1a.1338

Garfield++ simulation of a TH-GEM based detector for standard mammography beam dosimetry

Autor: Maysa C. Castro, Natalia F. Silva, Tiago Fiorini da Silva, Hugo N. da Luz, Linda V.E. Caldas

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The TH-GEM based detector is a robust, simple to manufacture, high-gain gaseous electron multiplier. Its operation is based on a standard printed circuit board (PCB) coated on both sides by metallic material, perforated in a millimeter pattern, and i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a28fcfd6575cd2578fc6ea67be4c10ec
https://doi.org/10.1088/1742-6596/1826/1/012046

Comparação entre duas câmaras de ionização do tipo lápis com comprimento de volume sensível de 30 cm

Autor: Marcos Xavier, Natalia F. Silva, Linda V.E. Caldas, Maysa C. Castro

Publikováno v: Brazilian Journal of Radiation Sciences. 5

A tomografia computadorizada (CT) vem crescendo devido aos avancos da tecnologia dos equipamentos, proporcionando uma dose maior no paciente, em relacao aos demais exames de radiodiagnostico, levando a uma preocupacao com os pacientes. A dosimetria e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::45e8319c31c275ad2a36599088474b6e
https://doi.org/10.15392/bjrs.v5i3.273

Development and tests of a 30 cm pencil-type ionization chamber for dosimetry in standard and clinical CT beams

Autor: Marcos Xavier, Marcos Ely Almeida Andrade, Linda V.E. Caldas, Natalia F. Silva, Maysa C. Castro, Helen J. Khoury

Publikováno v: Biomedical Physics & Engineering Express. 3:055008

The use of computed tomography (CT) for imaging procedures is growing due to advances in the CT equipment technology. To perform the dosimetry in CT beams, the most widely used instrument is the pencil type ionization chamber with a sensitive volume

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4abcb9ae57243fc9c113a4f7bcf13873
https://doi.org/10.1088/2057-1976/aa82e3

Characterization of a free air ionization chamber for low energy X-rays

Autor: Natalia F. Silva, V Vivolo, Linda V.E. Caldas, M Xavier

Publikováno v: Journal of Physics: Conference Series. 733:012090

Free air ionization chambers are used by most primary metrology laboratories as primary standards of the quantities air kerma and exposure in X-ray beams. The free air ionization chamber for low energies of the Calibration Laboratory (LCI) of IPEN sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d89d2841636d30e94430c3197e5803d7
https://doi.org/10.1088/1742-6596/733/1/012090