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A high-resolution large-area detector for quality assurance in radiotherapy
/ Oliveira, Andreia Maia (CERN ; Bern U., LHEP ; MedAustron) ; B Akkerman, Hylke ; Braccini, Saverio (Bern U., LHEP) ; van Breemen, Albert J J M ; H Gelinck, Gerwin (Unlisted, NL) ; Heracleous, Natalie (CERN ; Ecole Polytechnique, Lausanne) ; Leidner, Johannes (CERN ; Lausanne U.) ; Murtas, Fabrizio (CERN ; LNF, Dafne Light) ; Peeters, Bart ; Silari, Marco (CERN)
Hadron therapy is an advanced radiation modality for treating cancer, which currently uses protons and carbon ions. Hadrons allow for a highly conformal dose distribution to the tumour, minimising the detrimental side-effects due to radiation received by healthy tissues. [...]
2024 - 12 p.
- Published in : Sci. Rep. 14 (2024) 10637
Fulltext: PDF;
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A Large Area GEMPix detector for treatment plan verification in hadron therapy
/ Oliveira, Andreia Maia (CERN ; U. Bern, AEC) ; Akkerman, Hylke B ; Braccini, Saverio (U. Bern, AEC) ; van Breemen, Albert J J M ; Manzano, Lucia Gallego (CERN) ; Heracleous, Natalie (CERN) ; Katsouras, Ilias (ASML, Veldhoven) ; Leidner, Johannes (CERN) ; Murtas, Fabrizio (CERN ; LNF, Dafne Light) ; Peeters, Bart et al.
Quality Assurance in hadron therapy is crucial to ensure a safe and accurate dose delivery to the patients. This requires fast and reliable detectors with high spatial resolution. [...]
2022 - 7 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012177
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012177
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Activation studies of a PET cyclotron bunker
/ Vichi, S (Bologna U.) ; Zagni, F (Bologna U.) ; Cicoria, G (Bologna U.) ; Infantino, A (CERN) ; Riga, S (Bologna U.) ; Zeller, M (Bern U.) ; Carzaniga, T S (U. Bern, AEC) ; Nesteruk, K P (U. Bern, AEC) ; Braccini, S (U. Bern, AEC) ; Marengo, M (Bologna U.) et al.
During the operational life of a PET Cyclotron, the concrete walls of its vault are activated by secondary neutrons. For this reason when considering dismantling of such accelerators, a considerable amount of low level
solid radioactive waste has to be characterized and disposed. [...]
2019 - 7 p.
- Published in : Radiat. Phys. Chem. 161 (2019) 48-54
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5.
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Activation studies for the decommissioning of PET cyclotron bunkers by means of Monte Carlo simulations
/ Vichi, S (Bologna U.) ; Infantino, A (CERN) ; Zagni, F (U. Hospital, Bologna) ; Cicoria, G (U. Hospital, Bologna) ; Braccini, S (Bern U., LHEP) ; Mostacci, D (Bologna U.) ; Marengo, M (U. Hospital, Bologna)
During the operational life of a PET cyclotron, the concrete walls of the vault are activated by secondary neutrons. For the dismantling of such accelerator facilities, a considerable amount of low level solid radioactive
waste has to be characterized and disposed. [...]
2020
- Published in : Radiat. Phys. Chem. 174 (2020) 108966
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Characterization with X-rays of a Large-Area GEMPix Detector with Optical Readout for QA in Hadron Therapy
/ Oliveira, Andreia Maia (CERN ; Bern U., LHEP) ; Akkerman, Hylke B (Unlisted, NL) ; Braccini, Saverio (Bern U., LHEP) ; van Breemen, Albert J J M (Unlisted, NL) ; Manzano, Lucia Gallego (CERN ; Lausanne U.) ; Heracleous, Natalie (CERN ; Lausanne U.) ; Katsouras, Ilias (Unlisted, NL ; ASML, Veldhoven) ; Leidner, Johannes (CERN) ; Murtas, Fabrizio (CERN ; Frascati) ; Peeters, Bart (Unlisted, NL) et al.
Quality Assurance (QA) in hadron therapy is crucial to ensure safe and accurate dose delivery to patients. This can be achieved with fast, reliable and high-resolution detectors. [...]
2021 - 20 p.
- Published in : Appl. Sciences 11 (2021) 6459
Fulltext: PDF;
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Radiation-induced effects in glass windows for optical readout GEM-based detectors
/ Oliveira, A. Maia (CERN ; Bern U., LHEP) ; Braccini, S. (Bern U., LHEP) ; Casolaro, P. (Bern U., LHEP) ; Heracleous, N. (CERN) ; Leidner, J. (CERN) ; Mateu, I. (Bern U., LHEP) ; Murtas, F. (CERN ; Frascati) ; Silari, M. (CERN)
In this paper we present irradiation measurements performed to select a transparent anode substrate that best meets the requirements of an optical readout for a novel detector, the LaGEMPix. The modification of the optical properties of the material due to proton irradiation were studied in soda-lime, fused quartz and fused silica glasses coated with an Indium Tin Oxide layer. [...]
arXiv:2106.04645.-
2021-07-19 - 14 p.
- Published in : JINST 16 (2021) T07009
Fulltext: document - PDF; 2106.04645 - PDF;
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Charge collection characterisation with the Transient Current Technique of the ams H35DEMO CMOS detector after proton irradiation
/ Anders, J. (U. Bern, AEC) ; Benoit, M. (Geneva U.) ; Braccini, S. (U. Bern, AEC) ; Casanova, R. (Barcelona, IFAE) ; Chen, H. (Brookhaven) ; Chen, K. (Brookhaven) ; Di Bello, F.A. (Geneva U.) ; Fehr, A. (U. Bern, AEC) ; Ferrere, D. (Geneva U.) ; Forshaw, D. (U. Bern, AEC) et al.
This paper reports on the characterisation with Transient Current Technique measurements of the charge collection and depletion depth of a radiation-hard high-voltage CMOS pixel sensor produced at ams AG. Several substrate resistivities were tested before and after proton irradiation with two different sources: the 24 GeV Proton Synchrotron at CERN and the 16.7 MeV Cyclotron at Bern Inselspital..
arXiv:1807.09553.-
2018-10-01 - 14 p.
- Published in : JINST 13 (2018) P10004
Fulltext: fulltext1683864 - PDF; 1807.09553 - PDF; Anders_2018_J._Inst._13_P10004 - PDF; Fulltext from Publisher: PDF;
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10.
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Test beam measurement of ams H35 HV-CMOS capacitively coupled pixel sensor prototypes with high-resistivity substrate
/ Benoit, M. (Geneva U.) ; Braccini, S. (U. Bern, AEC) ; Casanova, R. (Tsukuba U.) ; Cavallaro, E. (Tsukuba U.) ; Chen, H. (BNL, NSLS) ; Chen, K. (BNL, NSLS) ; Di Bello, F.A. (Geneva U.) ; Ferrere, D. (Geneva U.) ; Frizzell, D. (Oklahoma U.) ; Golling, T. (Geneva U.) et al.
In the context of the studies of the ATLAS High Luminosity LHC programme, radiation tolerant pixel detectors in CMOS technologies are investigated. To evaluate the effects of substrate resistivity on CMOS sensor performance, the H35DEMO demonstrator, containing different diode and amplifier designs, was produced in ams H35 HV-CMOS technology using four different substrate resistivities spanning from $\mathrm{80}$ to $\mathrm{1000~\Omega \cdot cm}$. [...]
arXiv:1712.08338.-
2018-12-04 - 18 p.
- Published in : JINST 13 (2018) P12009
Fulltext: 1712.08338 - PDF; fulltext1644830 - PDF; Fulltext from Publisher: PDF; Preprint: PDF;
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