A portable Compton spectrometer for clinical X-ray beams in the energy range 20-150 keV
| Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
|---|---|
| Data(s) |
20/10/2012
20/10/2012
2011
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| Resumo |
Primary beam spectra were obtained for an X-ray industrial equipment (40-150 kV), and for a clinical mammography apparatus (25-35 kV) from beams scattered at angles close to 90 degrees, measured with a CdTe Compton spectrometer. Actual scattering angles were determined from the Compton energy shift of characteristic X-rays or spectra end-point energy. Evaluated contribution of coherent scattering amounts to more than 15% of fluence in mammographic beams. This technique can be used in clinical environments. (C) 2010 Elsevier Ltd. All rights reserved. Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) FAPESP Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) CNPq |
| Identificador |
APPLIED RADIATION AND ISOTOPES, v.69, n.2, p.350-357, 2011 0969-8043 http://producao.usp.br/handle/BDPI/29100 10.1016/j.apradiso.2010.10.011 |
| Idioma(s) |
eng |
| Publicador |
PERGAMON-ELSEVIER SCIENCE LTD |
| Relação |
Applied Radiation and Isotopes |
| Direitos |
restrictedAccess Copyright PERGAMON-ELSEVIER SCIENCE LTD |
| Palavras-Chave | #X-ray spectrometry #Compton spectrometry #Klein-Nishina cross-section #CdTe detector #Radiology #MONTE-CARLO-SIMULATION #SPECTRA #PHOTODIODE #DETECTOR #Chemistry, Inorganic & Nuclear #Nuclear Science & Technology #Radiology, Nuclear Medicine & Medical Imaging |
| Tipo |
article original article publishedVersion |
