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2023-01-26
13:46
Understanding the challenges of delivering radiotherapy in low- and middle-income countries in Africa / Ige, Taofeeq (Nigeria U.) ; Lewis, Philippa (JAI, UK) ; Shelley, Charlotte (U. Manchester (main)) ; Pistenmaa, David ; Coleman, C Norman ; Aggarwal, Ajay (King's Coll. London) ; Dosanjh, Manjit (CERN ; Oxford U.)
Background Access to high quality radiotherapy (RT) continues to be a major issue across Africa with Africa having just 34% of its optimal capacity. Methods We co-developed a survey with clinical, academic and policy stakeholders designed to provide a structured assessment of the barriers and enablers to RT capacity building in Africa. The survey covered nine key themes including funding, procurement, education and training. [...]
2023 - 8 p. - Published in : Journal of Cancer Policy 35 (2023) 100372 Fulltext: PDF;

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2023-01-26
13:46
Superfluid helium forced flow in the Gorter-Mellink regime / Vitrano, Andrea (CERN ; U. Paris-Saclay) ; Baudouy, Bertrand (U. Paris-Saclay)
A dimensional study of the momentum equations of superfluid helium is presented together with a parametric analysis of newly derived dimensionless numbers. The study is performed with a focus on the role of forced flows in the Gorter-Mellink regime. [...]
2023 - 5 p. - Published in : Cryogenics 129 (2023) 103628 Fulltext: PDF;

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2023-01-26
13:46
Influence of vacuum chamber port terminations on beam coupling impedances / Flisgen, Thomas (Berlin FBI) ; Gorgi Zadeh, Shahnam (CERN) ; Gjonaj, Erion (Darmstadt, Tech. U.)
Vacuum chambers of particle accelerators are typically equipped with radio-frequency couplers. The couplers are employed to excite modes for particle acceleration, to extract the energy of higher-order modes, or for diagnostic purposes. [...]
2023 - 9 p. - Published in : Phys. Rev. Accel. Beams 26 (2023) 014601 Fulltext: PDF;

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2023-01-26
13:46
Simulation studies of a 30-keV MR-ToF device for highly sensitive collinear laser spectroscopy / Maier, F M (CERN ; Greifswald U.) ; Vilen, M (CERN) ; Belosevic, I (TRIUMF) ; Buchinger, F (McGill U.) ; Kanitz, C (CERN ; Erlangen - Nuremberg U.) ; Lechner, S (CERN ; McGill U.) ; Leistenschneider, E (CERN) ; Nörtershäuser, W (Darmstadt, Tech. U.) ; Plattner, P (CERN ; Innsbruck U.) ; Schweikhard, L (Greifswald U.) et al.
The Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy (MIRACLS) seeks to extend the reach of high-resolution collinear laser spectroscopy (CLS) to more exotic radionuclides. In this novel technique, ion bunches of short-lived radioisotopes are trapped between two electrostatic mirrors of a Multi-Reflection Time-of-Flight (MR-ToF) device at 30-keV kinetic energy. [...]
2023 - 14 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1048 (2023) 167927 Fulltext: PDF;

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2023-01-26
13:46
Image Reconstruction Analysis for Positron Emission Tomography With Heterostructured Scintillators / Mohr, Philipp (CERN ; FH Aachen (main) ; U. Groningen (main)) ; Efthimiou, Nikos (Penn State U.) ; Pagano, Fiammetta (CERN ; Milan Bicocca U.) ; Kratochwil, Nicolaus (CERN) ; Pizzichemi, Marco (CERN ; Milan Bicocca U.) ; Tsoumpas, Charalampos (U. Groningen (main) ; U. Leeds (main)) ; Auffray, Etiennette (CERN) ; Ziemons, Karl (FH Aachen (main))
The concept of structure engineering has been proposed for exploring the next generation of radiation detectors with improved performance. A TOF-PET geometry with heterostructured scintillators with a pixel size of $3.0 \times 3.1 \times15$ mm$^3$ was simulated using Monte Carlo. [...]
2023 - 11 p. - Published in : IEEE Trans. Rad. Plasma Med. Sci. 7 (2023) 41-51 Fulltext: PDF;

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2023-01-26
13:46
Final Design of ITER In-Vessel Coils and Manufacturing of In-Vessel Coil Conductor / Encheva, Anna (ITER) ; Bontemps, Vincent (ITER) ; Fichera, Claudio (ITER) ; Laquiere, Julien (ITER) ; Macioce, Davide (ITER) ; Mariani, Nicola (ITER) ; Piccin, Roland (ITER) ; Tronza, Vladimir (ITER) ; Vostner, Alexander (ITER) ; Sgobba, Stefano (CERN)
Following a decision made at the ITER Council in November 2013, two types of in-vessel coils (IVCs), namely, edge-localized mode (ELM) coils to mitigate ELMs and vertical stability (VS) coils to provide vertical stabilization of the plasma, have been incorporated in the ITER baseline design. The in-vessel environment is severe, characterized by large transient electromagnetic fields, high radiation flux, and high temperature. [...]
2022 - 6 p. - Published in : IEEE Trans. Plasma Sci. 50 (2022) 4298-4303

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2023-01-26
13:46
The CN Molecule and the Cosmic Background Radiation Temperature / Crane, P (European Southern Observ.) ; Mandolesi, N (TESRE, Bologna) ; Hegyi, D J (Michigan U.)
We have remeasured the rotational temperature of the CN molecule ground state in the direction of the Ophiuchi using the ESO 1.4 meter CAT telescope and associated Coude Echelle Spectrograph. These measurements determine: a) a very precise value of cosmic background radiation (CBR) temperature at A2.64 rwn, b) a new value for the intrinsic line width of the CN absorption lines, and c) a measure of the CBR temperature at A1.32 mm. [...]
1986 - 4 p. - Published in : ESO Conf. Workshop Proc. (1986) , pp. 113-116 Fulltext: PDF;
In : 2nd ESO/CERN Symposium on Cosmology, Astronomy and Fundamental Physics, Garching, Germany, 17 - 21 Mar 1986, pp.113-116

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2023-01-26
13:46
Particle flow reconstruction for the CMS Phase-II Level-1 Trigger / Herwig, C (Fermilab) /CMS Collaboration
The upgrade of the CMS detector for the high-luminosity LHC will include track-finding for the first time in the Level-1 trigger, enabling Particle Flow reconstruction of every event in addition to comprehensive pileup mitigation. The Correlator trigger will reconstruct isolated leptons and photons, hadronic jets, and energy sums, assisted in many cases by machine learning to benefit from the complete particle-level event record. [...]
2023 - 6 p. - Published in : JINST 18 (2023) C01037
In : Topical Workshop on Electronics for Particle Physics 2022 (TWEPP 2022), Bergen, Norway, 19 - 23 Sep 2022, pp.C01037

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2023-01-26
13:46
Characterization and alignment of a resonant cavity beam position monitor for the Compact LInear Collider (CLIC) project at CERN / Zorzetti, Silvia (CERN ; Fermilab) ; Wendt, Manfred (CERN) ; Mainaud-Durand, Hélène (CERN)
Beam diagnostic devices are essential tools to sense the properties of the beam in particle accelerators. Beam Position Monitors (BPMs) are used to detect the transverse beam spatial coordinates. [...]
FERMILAB-PUB-22-744-SQMS.- 2023 - 12 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1048 (2023) 167898 Fulltext from Publisher: PDF;

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2023-01-26
13:46
Position-Sensitive Measurements of a Single-Mode Laser Beam Spot Using the Dividing Plate Method / Budagov, Yu A (Dubna, JINR) ; Glagolev, V V (Dubna, JINR) ; Lyablin, M V (Dubna, JINR) ; Pishchalnikova, E V (Dubna, JINR) ; Kuzkin, A M (Dubna, JINR) ; Trubnikov, G V (Dubna, JINR) ; Di Girolamo, B (CERN)
New position-sensitive experimental results have been obtained using the Dividing Plates method to detect the displacement of a single-mode laser beam spot of various diameters. Measurements show that with this method it is possible to attain sensitivities down to 0.18 µm$^{–1}$ for a laser beam spot diameter of 8.8 µm displaced over 2.4 µm diameter zone, defined as the area where measurements non-linearities are within 1%. [...]
2023 - 19 p. - Published in : Phys. Part. Nucl. Lett. 19 (2022) 765-783

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