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19 April 2024 |
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Characterization and performances of a monitoring ionization chamber dedicated to IBA-universal irradiation head for Pencil Beam Scanning | | C. Courtois
; G. Boissonnat
; C. Brusasco
; J. Colin
; D. Cussol
; J.M. Fontbonne
; B. Marchand
; T. Mertens
; S. De Neuter
; J. Peronnel
; | | Date: |
28 Jun 2013 | | Abstract: | Every radiotherapy center has to be equipped with real-time beam monitoring
devices. In 2008, the medical application group from the Laboratory of
Corpuscular Physics (LPC Caen) developed an Ionization Chamber in collaboration
with the company IBA (Ion Beam Applications). This monitoring device called
IC2/3 was developed to be used in IBAs universal irradiation head for Pencil
Beam Scanning (PBS). The objectives presented in this article are to
characterize the IC2/3 monitor in the energy and ux ranges used in
protontherapy. The equipment has been tested with an IBAs cyclotronable to
deliver proton beams from 70 to 230 MeV. This beam monitoring device has been
validated and is now installed at the Westdeutsches Protonentherapiezentrum
Essen protontherapy center (WPE, Germany). The results obtained in both terms
of spatial resolution and dose measurements are at least equal to the initials
speci cations needed for PBS purposes. The detector measures the dose with a
relative precision better than 1% in the range 0.5 Gy/min to 8 Gy/min while the
spatial resolution is higher than 250 m. The technology has been patented and
ve IC2/3 chambers were delivered to IBA. Nowadays, IBA produces the IC2/3 beam
monitoring device as part of its Proteus 235 product | | Source: | arXiv, 1306.6907 | | Services: | Forum | Review | PDF | Favorites | |
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