CERN Accelerating science

CERN Published Articles

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2020-11-25
14:42
Particle Physics Reference Library: Volume 1: Theory and Experiments : Introduction / Schopper, Herwig (CERN)
Since old ages it has been one of the noble aspirations of humankind to understand the world in which we are living. In addition to our immediate environment, planet earth, two more remote frontiers have attracted interest: the infinitely small and the infinitely large. [...]
5 p. - Published in : 10.1007/978-3-030-38207-0_1 Fulltext: PDF;
In : Particle physics reference library, pp.1-5

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2020-11-21
06:15
CHEP 2019: Preface to the Proceedings / Doglioni, Caterina (Lund U.) ; Jackson, Paul (Adelaide U.) ; Kamleh, Waseem (Adelaide U.) ; Kim, Doris Y (SoongSil U.) ; Silvestris, Lucia (INFN, Bari) ; Stewart, Graeme A (CERN)
The 24th International Conference on Computing in High Energy and Nuclear Physics (CHEP) took place at the Adelaide Convention Centre, Adelaide, South Australia from 4–8 November 2019. 525 registered participants took part in the conference, where there were plenary sessions as well as a wide ranging set of ten parallel tracks across all areas of work in the field and allied sciences. [...]
2020 - 8 p. - Published in : EPJ Web Conf. 245 (2020) 00001 Fulltext: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.00001

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2020-11-21
06:15
A distributed and interconnected network of sensors for environmental radiological monitoring / Gallego Manzano, L (CERN) ; Bisegni, C (Frascati) ; Boukabache, H (CERN) ; Curioni, A (CERN) ; Heracleous, N (CERN) ; Murtas, F (Frascati) ; Perrin, D (CERN) ; Silari, M (CERN)
The W-MON project aims to improve and automatize the control of the presence of radioactive material in conventional waste containers at CERN using a distributed network of interconnected low-power radiation sensors. The key development is the integration of a lightweight but sensitive radiation sensor in a powerful network that allows continuous data recording, transfer and storage in a database for alarm triggering and subsequent data analysis. [...]
2020 - Published in : Radiat. Meas. 139 (2020) 106488 External link: Fulltext

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2020-11-21
06:15
Impact of the phantom geometry on the evaluation of the minimum detectable activity following a radionuclide intake: From physical to numerical phantoms / Medici, Siria (CERN ; Lausanne U.) ; Desorgher, Laurent (Lausanne U.) ; Carbonez, Pierre (CERN ; Otago U.) ; Damet, Jérôme (Lausanne U. ; Otago U.) ; Bochud, François (Lausanne U.) ; Pitzschke, Andreas (Lausanne U.)
The establishment of an in vivo internal monitoring programme requires the use of phantoms to represent an activity distribution of an incorporated radionuclide within the body. The aim of this study was to quantify the impact of the phantom geometry on the minimum detectable activity (MDA) of an incorporated radionuclide. [...]
2020 External link: Fulltext from publisher

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2020-11-21
06:15
A Novel Model of a Mode-Localized MEMS Accelerometer / Morozov, N F (St. Petersburg Acad. U.) ; Indeitsev, D A (St. Petersburg Acad. U.) ; Igumnova, V S (Unlisted, RU) ; Belyaev, Ya V (Unlisted, RU) ; Lukin, A V (Unlisted, RU) ; Popov, I A (Unlisted, RU) ; Shtukin, L V (St. Petersburg Acad. U.)
In this work, a model of a microelectromechanical accelerometer with two movable beam elements located between two stationary electrodes is proposed. The action of inertia forces in the longitudinal direction leads to a change in the spectral properties of the system, which can be used as an output signal of the sensor. [...]
2020 - 5 p. - Published in : Dokl. Phys. 65 (2020) 371-375

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2020-11-21
06:15
Advances in modelling gold nanoparticle radiosensitization using new Geant4-DNA physics models / Engels, Elette (Wollongong U.) ; Bakr, Samer (Wollongong U.) ; Bolst, David (Wollongong U.) ; Sakata, Dousatsu (Wollongong U.) ; Li, Nan (Wollongong U.) ; Lazarakis, Peter (Wollongong U.) ; McMahon, Stephen J (Queen's U., Belfast) ; Ivanchenko, Vladimir (Tomsk State U. ; CERN) ; Rosenfeld, Anatoly B (Wollongong U.) ; Incerti, Sébastien (CENBG, Gradignan ; CENBG, Gradignan ; Bordeaux U.) et al.
Gold nanoparticles have demonstrated significant radiosensitization of cancer treatment with x-ray radiotherapy. To understand the mechanisms at the basis of nanoparticle radiosensitization, Monte Carlo simulations are used to investigate the dose enhancement, given a certain nanoparticle concentration and distribution in the biological medium. [...]
2020 - 16 p. - Published in : Phys. Med. Biol. 65 (2020) 225017

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2020-11-21
06:15
Design of Radiation Hard Spare Units for the Orbit Corrector Dipoles of LHC / Louzguiti, Alexandre (CERN) ; Cerutti, Francesco (CERN) ; Contat, Pierre-Antoine (CERN) ; Fagundes de Sousa, Daniela (CERN) ; Kirby, Glyn (CERN) ; Lepoittevin, Benoit (CERN) ; Liberale, Mattia (CERN) ; Mazet, Jacky (CERN) ; Ravaioli, Emmanuele (CERN) ; Sahner, Thomas (CERN) et al.
Due to the High Luminosity upgrade of the Large Hadron Collider (HL-LHC), the orbit corrector dipoles located just before the interaction points of the accelerator will receive significantly increased gamma radiation doses, i.e., up to 20 MGy over the HL-LHC lifetime. Since these magnets were not designed to withstand such high gamma doses, new MCBC and MCBY magnets have to be designed and produced using radiation hard impregnation insulation and materials. [...]
2020 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4001205

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2020-11-21
04:27
BDAQ53, a versatile pixel detector readout and test system for the ATLAS and CMS HL-LHC upgrades / Daas, Michael (Bonn U.) ; Dieter, Yannick (Bonn U.) ; Dingfelder, Jochen (Bonn U.) ; Frohne, Markus (Bonn U.) ; Giakoustidis, Georgios (Bonn U.) ; Hemperek, Tomasz (Bonn U.) ; Hinterkeuser, Florian (Bonn U.) ; Hügging, Fabian (Bonn U.) ; Janssen, Jens (Bonn U.) ; Krüger, Hans (Bonn U.) et al.
BDAQ53 is a readout system and verification framework for hybrid pixel detector readout chips of the RD53 family. These chips are designed for the upgrade of the inner tracking detectors of the ATLAS and CMS experiments. [...]
arXiv:2005.11225.- 2021-01-11 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 986 (2021) 164721 Fulltext: PDF;

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2020-11-21
04:27
Diffusion of heavy quarks in the early stage of high-energy nuclear collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider / Liu, J.H. (Lanzhou U. ; INFN, LNS) ; Plumari, S. (Catania U. ; INFN, LNS) ; Das, S.K. (Indian Inst. Tech., Madras) ; Greco, V. (INFN, LNS ; Catania U.) ; Ruggieri, M. (Lanzhou U.)
We study the diffusion of charm and beauty in the early stage of high energy nuclear collisions at RHIC and LHC energies, considering the interaction of these heavy quarks with the evolving Glasma by means of the Wong equations. In comparison with previous works, we add the longitudinal expansion as well as we estimate the effect of energy loss due to gluon radiation. [...]
arXiv:1911.02480.- 2020-10-08 - 10 p. - Published in : Phys. Rev. C 102 (2020) 044902 Fulltext: PDF;

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2020-11-21
04:27
Possible Formation of QGP-droplets in Proton-Proton Collisions at the CERN Large Hadron Collider / Sahoo, Raghunath (Indian Inst. Tech., Indore)
Proton-proton (pp) collisions have been traditionally used as a baseline measurement in the search for a deconfined state of matter in heavy-ion collisions at ultrarelativistic energies. The unprecedented collision energies that are available at the Large Hadron Collider (LHC) at the European Laboratory for Nuclear Research (CERN) have illuminated new challenges in understanding the possible formation of droplets of this deconfined matter of partonic degrees of freedom in hadronic collisions, especially in high-multiplicity events. [...]
arXiv:1908.10566.- 2019 - 6 p. - Published in : AAPPS Bull. 29 (2019) 16-21 Fulltext: PDF;

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