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Alternative on-line cyclotron beam-intensity and exposure-rate levels operative monitoring
Indexado
Scopus SCOPUS_ID:79952797593
DOI
Año 2009
Tipo

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Charge particle accelerator laboratories and, more important, non-nuclear physics centres are still in-crescendo and expected to play a key role upon diverse fields such as research, materials, safety, analytical applications, industrial-probe probing and other distinguishable non-destructive machine capabilities in addition to cosmological endeavours. Everyone uses commercially available accelerators for radionuclide production, new/modification materials, ion beam applications; PIXE on elemental analysis is a well recognized multidisciplinary tool ranging from forensic medicine to art. Human health and patient's life quality being likely the most sensitive non-invasive ambulatory, molecular, clinical diagnostic contribution; and later, although expensive by any standards, charged-particle beam-therapy with high energy machines are becoming a serious choice if affordable. Low and medium energy accelerators for applications like these are found all over the word and not under a nuclear physicist or nuclear related specialist operation necessarily. Accelerator operators are highly trained professionals skilled to plump for and to adopt fast and correct decisions when needed. Therefore, new approach and techniques are always sought to make accelerators operation more reliable and safe under routinely work. We present a method to take advantage for using exposure detectors and operational figures recorded when running an accelerator to track beam intensity on target from indirect data. Cyclotron operators considers advantageous and always necessary to have alternative and indirect ways to track irradiations parameters such beam intensity on target. In this work we will show how in our laboratory we have developed a method to provide additional exposure rate data to be used as beam indirect probe and vice versa. By monitoring the exposure rate data we obtain irradiation radiological profile. Several trials were performed to achieve best radiological rate data detector-target geometry. A detector (Ludlum Survey Meter Area Monitor) was located on the inside vault inner wall a 1.5 m over floor and 1.8 m distance from irradiation target. The exposure rate curve as a function of irradiation time.

Disciplinas de Investigación



WOS
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Scopus
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SciELO
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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Sobarzo, Mario J.Avila Hombre Cyclotron Section - Chile
2 Velazquez, Walter Hombre Comision Chilena de Energia Nuclear - Chile
3 TENREIRO-LEIVA, CLAUDIO FABIAN Hombre Universidad de Talca - Chile
4 Sadeghi, Mahdi Hombre Nuclear Medicine Research Group, Iran - Iran

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Financiamiento



Fuente
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Agradecimientos



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