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CERN Document Server 28 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.72 секунд. 
1.
Conversion coefficients from total air kerma to the newly proposed ICRU/ICRP operational quantities for radiation protection for photon reference radiation qualities / Behrens, Rolf (Braunschweig, Phys. Tech. Bund.) ; Otto, Thomas (CERN)
Abstract The International Commission on Radiation Units and Measurements (ICRU) has recently proposed a set of new operational quantities for radiation protection. ICRU supplied conversion coefficients for mono-energetic photons but not for photon reference radiation qualities defined by the International Organization for Standardization (ISO) in ISO 4037 and by the International Electrotechnical Commission (IEC) in IEC 61267. [...]
2022 - 50 p. - Published in : J. Radiol. Prot. 42 (2022) 011519 Fulltext: PDF;
2.
The HL-LHC Project Gets Ready for Its Deployment / Zerlauth, Markus (CERN) ; Brüning, Oliver (CERN) ; Di Girolamo, Beniamino (CERN) ; Fessia, Paolo (CERN) ; Gaignant, Christelle (CERN) ; Garcia Gavela, Hector (CERN) ; Maclean, Ewen (CERN) ; Modena, Michele (CERN) ; Otto, Thomas (CERN) ; Tavian, Laurent (CERN) et al.
Following the successful completion of the second long shutdown (LS2), the Large Hadron Collider (LHC) is preparing for its final operational run before the majority of the High Luminosity Upgrade (HL-LHC) will be installed during the third Long Shutdown starting in 2026. The HL-LHC upgrade will enable a further tenfold increase in integrated luminosity delivered to the ATLAS and CMS experiments, starting by an upgrade of the machine protection, collimation and shielding systems in LS2, and followed by the deployment of novel key technologies, including Nb₃Sn based insertion region magnets, cold powering by MgB₂ superconducting links and integration of Nb crab-cavities to compensate the effects of a larger crossing angle. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 50-53 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.50-53
3.
New Operational Quantities for Radiation Protection by ICRU and ICRP: Impact on Workplaces at Accelerators / Otto, Thomas (CERN) ; Widorski, Markus (CERN)
In radiation protection, Effective Dose E quantifies stochastic radiation detriment. E is defined as a weighted sum of absorbed dose to organs and tissues and cannot be measured directly. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW Ipac 2021 (2021) 2231-2234 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2231-2234
4.
Towards the Optimization of the Safety Life-Cycle for Safety Instrumented Systems / Fernández Adiego, Borja (CERN) ; Blanco Viñuela, Enrique (CERN) ; Otto, Thomas (CERN) ; Speroni, Roberto (CERN) ; de Assis Schmidt, Gustavo (CERN)
The design and development of Safety Instrumented Systems (SIS) according to the IEC 61511 standard is a long and costly process. Although the standard gives recommendations and guidelines for each phase of the safety life-cycle, implementing them is not a simple task. [...]
2022 - 7 p. - Published in : JACoW ICALEPCS2021 (2022) 586-592 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.586-592
5.
Chapter 19: Safety / Otto, Thomas (CERN) ; Adorisio, C (CERN) ; Gaignant, C (CERN) ; Infantino, Angelo (CERN) ; Maietta, M (CERN)
CERN declares in its safety policy that it will ensure the best possible protection in health and safety matters of all persons participating in the Organization’s activities or present on its site, as well as of the population living in the vicinity of its installations, limit the impact of the Organization’s activities on the environment, and guarantee the use of best practice in matters of safety. A safety organisation accompanies the life cycle of every large project, such as the HL-LHC, to ensure that the Organization’s safety objectives are met. This Chapter describes the safety assessment process applied to the deliverables of the HL-LHC project. [...]
2020 - 14 p. - Published in : 10.23731/CYRM-2020-0010.329 Fulltext: PDF;
In : High-Luminosity Large Hadron Collider (HL-LHC): Technical design report, pp.329-342
6.
Book cover Safety for particle accelerators / Otto, Thomas
The use of non-standard technologies such as superconductivity, cryogenics and radiofrequency pose challenges for the safe operation of accelerator facilities that cannot be addressed using only best practice from occupational safety in conventional industry [...]
Berlin : Springer, 2021. - 148 p.

ebook (Open Access)
7.
Conversion Coefficients from Kerma to Ambient Dose and Personal Dose for X-Ray Spectra / Otto, Thomas (CERN)
In radiation protection, the protection quantity for whole-body exposure is effective dose $E$. Effective dose cannot be measured and operational quantities have been introduced for dose measurement and calibration of dosimeters and survey instruments. [...]
arXiv:1906.05411.- 2019-11-07 - 13 p. - Published in : JINST 14 (2019) P11011 Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
8.
Future Circular Collider - European Strategy Update Documents High-Energy LHC (HE-LHC) / Zimmermann, Frank (CERN) ; Benedikt, Michael (CERN) ; Capeans Garrido, Mar (CERN) ; Cerutti, Francesco (CERN) ; Goddard, Brennan (CERN) ; Gutleber, Johannes (CERN) ; Jimenez, Jose Miguel (CERN) ; Mangano, Michelangelo (CERN) ; Mertens, Volker (CERN) ; Osborne, John Andrew (CERN) et al.
This report contains the description of a novel research infrastructure based on a high-energy hadron collider, which extends the current energy frontier by almost a factor 2 (27 TeV collision energy) and an integrated luminosity of at least a factor of 3 larger than the HL-LHC. In connection with four experimental detectors, this infrastructure will deepen our understanding of the origin of the electroweak symmetry breaking, allow a first measurement of the Higgs self-coupling, double the HL-LHC discovery reach and allow for in-depth studies of new physics signals arising from future LHC measurements. [...]
CERN-ACC-2019-0006.- Geneva : CERN, 2019 Fulltext: PDF;
9.
Future Circular Collider - European Strategy Update Documents The Hadron Collider (FCC-hh) / Benedikt, Michael (CERN) ; Capeans Garrido, Mar (CERN) ; Cerutti, Francesco (CERN) ; Goddard, Brennan (CERN) ; Gutleber, Johannes (CERN) ; Jimenez, Jose Miguel (CERN) ; Mangano, Michelangelo (CERN) ; Mertens, Volker (CERN) ; Osborne, John Andrew (CERN) ; Otto, Thomas (CERN) et al.
This report describes a novel research infrastructure, based on a hadron collider with centre-of-mass collision energy of 100 TeV, collecting an integrated luminosity a factor of 5 or more larger than the HL-LHC. It will extend the current energy frontier by almost an order of magnitude. [...]
CERN-ACC-2019-0005.- Geneva : CERN, 2019 Fulltext: PDF;
10.
Future Circular Collider - European Strategy Update Documents The Integrated Programme (FCC-int) / Benedikt, Michael (CERN) ; Blondel, Alain (Universite de Geneve (CH)) ; Brunner, Olivier (CERN) ; Capeans Garrido, Mar (CERN) ; Cerutti, Francesco (CERN) ; Gutleber, Johannes (CERN) ; Goddard, Brennan (CERN) ; Janot, Patrick (CERN) ; Jimenez, Jose Miguel (CERN) ; Klein, Max (University of Liverpool (GB)) et al.
The most effective and comprehensive approach to thoroughly explore the open questions in modern particle physics is a staged research programme, integrating in sequence lepton (FCC-ee) and hadron (FCC-hh) collision programmes, to achieve an exhaustive understanding of the Standard Model and of electroweak symmetry breaking, and to maximize the potential for the discovery of phenomena beyond the Standard Model. The project would rely on a shared and cost effective technical and organizational infrastructure, as was the case with LEP followed by LHC. [...]
CERN-ACC-2019-0007.- Geneva : CERN, 2019 Fulltext: PDF;

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