Publication: Characterization of the proton pulsed beam at CMAM
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Publication Date
2021
Authors
Viñals, S.
García, G.
García Díaz, M.
Sánchez Tembleque, Víctor
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E D P Sciences
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Abstract
In this paper, the technicalities performed to obtain a pulsed beam at the CMAM facility will be explained. The pulsed beam has been characterized with an 8 MeV proton beam, using an existing equipment at CMAM: two pairs of electrostatic plates (RASTER) that deflect the beam, commonly used for homogeneous irradiation of large areas. A pulsed beam is used in many areas such as nuclear physics, material science and, in particular, for proton-therapy medical studies. Rectangular and pyramidal functions have been used to generate different pulses and characterize the response of the RASTER. The results point out that the pulses obtained are suitable for preclinical proton-therapy studies in the FLASH regime, which consists on fractionating the dose in time with short and intense pulses. The set-up for the characterization has been a function generator and a Si-PM outside the chamber.
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Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA) (2021.Prague, CZECH REPUBLIC). The authors want to thank the effort of the technician team of CMAM and the help provided by J. Olivares, V. Joco and F. Arias-Valcayo.