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Open AccessArticle

Simple, Immediate and Calibration-Free Cyclotron Proton Beam Energy Determination Using Commercial Targets

1
ICNAS—Produção, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
2
Institute for Nuclear Sciences Applied to Health (ICNAS), University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
3
Instituto Politécnico de Coimbra (IPC), Coimbra Health School, 3046-854 Coimbra, Portugal
*
Author to whom correspondence should be addressed.
Instruments 2019, 3(1), 20; https://doi.org/10.3390/instruments3010020
Received: 5 January 2019 / Revised: 25 February 2019 / Accepted: 28 February 2019 / Published: 5 March 2019
(This article belongs to the Special Issue Instruments and Methods for Cyclotron Produced Radioisotopes)
This work presents a simple method for determining the energy of the proton beam in biomedical cyclotrons, using no additional experimental set-up and only materials from radioisotope routine productions that are therefore available on-site. The developed method requires neither absolute efficiency calibration nor beam current measurements, thus avoiding two major sources of uncertainty. Two stacks composed of natural titanium thin foils, separated by an energy degrader of niobium, were mounted in a commercial target and irradiated. The resulting activities of 48V were assessed by a HPGe spectrometer. View Full-Text
Keywords: cyclotron; stack-foil; monitor reaction cyclotron; stack-foil; monitor reaction
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do Carmo, S.J.; de Oliveira, P.M.; Alves, F. Simple, Immediate and Calibration-Free Cyclotron Proton Beam Energy Determination Using Commercial Targets. Instruments 2019, 3, 20.

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