CERN Accelerating science

CERN Published Articles

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2019-10-19
06:02
Smartphone and Tablet-Based Sensing of Environmental Radioactivity: Mobile Low-Cost Measurements for Monitoring, Citizen Science, and Educational Purposes / Keller, Oliver (CERN ; U. Geneva (main)) ; Benoit, Mathieu (Geneva U.) ; Müller, Andreas (U. Geneva (main)) ; Schmeling, Sascha (CERN)
Sensors for environmental radioactivity based on two novel setups using photodiodes, on the one hand, and an advanced tablet-based hybrid pixel detector, on the other hand, are presented. Measurements of four kinds of terrestrial and every-day radiation sources are carried out: Airborne radon, a mineral containing traces of uranium, edible potassium salt, and an old radium watch. [...]
2019 - Published in : Sensors 19 (2019) 4264 Fulltext: PDF;

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2019-10-19
06:02
Improving the modelling of susceptibility-induced spatial distortions in MRI-guided extra-cranial radiotherapy / Kroll, C (LMU Munich (main) ; Hamburg, Max Planck Inst.) ; Dietrich, O (LMU Munich (main)) ; Bortfeldt, J (CERN ; LMU Munich (main)) ; Paganelli, C (Milan, Polytech.) ; Baroni, G (Milan, Polytech. ; CNAO, Milan) ; Kamp, F (LMU Munich (main)) ; Neppl, S (LMU Munich (main)) ; Belka, C (LMU Munich (main) ; Unlisted, DE) ; Parodi, K (LMU Munich (main)) ; Opel, M (Meissner Inst., Munich) et al.
Magnetic-resonance linear-accelerator (MR-LINAC) systems integrating in-room magnetic-resonance-imaging (MRI) guidance are a currently emerging technology. Such systems address the need to provide frequent imaging at optimal soft-tissue contrast for treatment guidance. [...]
2019 - 9 p. - Published in : Phys. Med. Biol. 64 (2019) 205006

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2019-10-19
06:02
Diagnosing plasmas with wideband THz pulses / Curcio, A (CERN) ; Petrarca, M (U. Rome La Sapienza (main) ; INFN, Rome)
In this erratum Fig. 3 of Opt. Lett.44, 1011 (2019) has been updated. [...]
2019 - Published in : Opt. Lett.: 44 (2019) , no. 17, pp. 4427
- Published in : Opt. Lett.: 44 (2019) , no. 4, pp. 1011

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2019-10-19
06:02
Electron dosimetry in human skin: a reliability assessment of simulation scenarios / Basaglia, Tullio (CERN) ; Han, Haegin (Hanyang U.) ; Han, Min Cheol (INFN, Genoa) ; Kim, Chan Hyeong (Hanyang U.) ; Pia, Maria Grazia (INFN, Genoa)
The feasibility and reliability of Geant4-based simulation of human skin irradiation by low energy electrons (up to a few MeV) are reviewed, with emphasis on physics validation and the generation of a dedicated phantom for the simulation of Total Skin Electron Therapy..
2018 - 2 p. - Published in : 10.1109/NSSMIC.2018.8824344

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2019-10-19
06:02
Assessment of New Evaluated Atomic Data Libraries in ENDF/B-VIII.0 / Basaglia, Tullio (CERN) ; Bonanomi, Matteo (Milan Bicocca U.) ; Cattorini, Federico (Milan Bicocca U.) ; Choi, Chansoo (CERN) ; Han, Min Cheol (Cagliari U.) ; Hoff, Gabriela (CERN) ; Kim, Chan Hyeong (Hanyang U.) ; Kim, Sung Hun (Hanyang U.) ; Marcoli, Matteo (Milan Bicocca U.) ; Pia, Maria Grazia (Cagliari U.) et al.
Evaluated data libraries for electron-photon transport are most important components in Monte Carlo simulation and have been used in general-purpose Monte Carlo codes for decades. A new version of evaluated atomic data libraries, called EPICS2017, was released in early 2018. [...]
2019 - 2 p. - Published in : 10.1109/NSSMIC.2018.8824405

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2019-10-19
06:02
Petiroc2A: Characterization and Experimental Results / Ahmad, Salleh (Weeroc SAS, Palaiseau) ; Fleury, Julien (Weeroc SAS, Palaiseau) ; Cizel, Jean-Baptiste (Weeroc SAS, Palaiseau) ; de la Taille, Christophe (Ec. Polytech., OMEGA) ; Seguin-Moreau, Natalie (Ec. Polytech., OMEGA) ; Gundacker, Stefan (CERN ; Milan Bicocca U.) ; Auffray-Hillemanns, Etiennette (CERN)
Petiroc2A is a 32-channel SiPM readout ASIC, which has been designed for applications requiring precise timing and energy measurement such as time-of-flight positron emission tomography. In this work, experimental results of Petiroc2A are presented. [...]
2019 - 4 p. - Published in : 10.1109/NSSMIC.2018.8824464

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2019-10-19
06:02
W-MON: a wireless network of ionizing sensors for radiation monitoring in waste / Manzano, L Gallego (CERN) ; Bisegni, C (Frascati) ; Boukabache, H (CERN) ; Curioni, A (CERN ; Inst. Appl. Radiophys., Lausanne) ; Galea, C (U. Malta) ; Heracleous, N (CERN) ; Murtas, F (CERN ; Frascati) ; Perrin, D (CERN) ; Silari, M (CERN)
With the aim of controlling the risk of releasing radioactive material together with ordinary waste, the Radiation Protection (RP) group at CERN is developing a fully automated network of wireless radiation sensors to provide remote and real- time monitoring of the radiation level of hundreds of waste containers located on the CERN sites. The system, based on the Internet of Things (IoT) paradigm, will be included in the existing CERN RP supervisory system, allowing online monitoring and continuous supervision. [...]
2019 - 2 p. - Published in : 10.1109/NSSMIC.2018.8824643

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2019-10-19
06:02
The ITER In-Vessel Coils – design finalization and challenges / Vostner, Alexander (Euratom, St. Paul Lez Durance) ; Bontemps, Vincent (Euratom, St. Paul Lez Durance) ; Encheva, Anna (Euratom, St. Paul Lez Durance) ; Jin, Huan (Hefei, Inst. Plasma Phys.) ; Laquiere, Julien (Euratom, St. Paul Lez Durance) ; Macioce, Davide (Euratom, St. Paul Lez Durance) ; Mariani, Nicola (Euratom, St. Paul Lez Durance) ; Mcintosh, Simon (Euratom, St. Paul Lez Durance) ; Peng, Xuebing (Euratom, St. Paul Lez Durance) ; Singh, Shuvay (CERN) et al.
ITER In-Vessel Coils (IVCs), resistive magnets to be installed in close proximity to ITER plasma to compensate fast perturbations of the plasma itself, have undergone a comprehensive revision of their requirements and operational loads, leading to design modifications and R&D; activities. An update of the plasma operating scenarios has been done and the maximum currents during transient plasma events have been assessed considering actual operating currents and the surrounding vacuum vessel support structure leading to more representative load cases. [...]
2019 - 6 p. - Published in : Fusion Eng. Des. 146 (2019) 1490-1495

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2019-10-19
06:02
Strand level modeling of contact resistance and coupling loss for EU-DEMO-TF prototype conductors / Bagni, T (Twente U., Enschede) ; Devred, A (CERN) ; Nijhuis, A (Twente U., Enschede)
The development of the toroidal field coils of the upcoming European DEMO reactor is under the coordination of the EUROfusion Consortium. The Swiss Plasma Center (SPC) and ENEA-Fusion proposed two new cable concepts, WP1-RW1 (react and wind) and WP2-WR1 (wind and react), both with rectangular cross section and inspired by existing concepts of Nb3Sn cable-in-conduit conductors. [...]
2019 - 10 p. - Published in : Supercond. Sci. Technol. 32 (2019) 105012

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2019-10-19
06:02
Dynamic pressure in the LHC: Influence of ions induced by ionization of residual gas by both the proton beam and the electron cloud / Bilgen, Suheyla (Orsay, LAL) ; Baglin, Vincent (CERN) ; Bruni, Christelle (Orsay, LAL) ; Mercier, Bruno (Orsay, LAL) ; Sattonnay, Gaël (Orsay, LAL)
For the future HL-LHC or FCC study, the understanding of the beam interactions with the vacuum chamber is fundamental to provide solutions to mitigate the pressure rises induced by electronic, photonic and ionic molecular desorption. The proton beam circulating in the LHC vacuum chamber ionizes the residual gas producing electrons as well as positive ions. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-TUPMP004 Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.TUPMP004

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