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CERN Document Server 19 elementer funnet  1 - 10neste  gå til element: Søket tok 1.61 sekunder. 
1.
Measurement of the $^{235}$U(n,f) cross section relative to the $^{10}$B(n,α) reaction with Micromegas detectors at the CERN n_TOF facility: First results / n_TOF Collaboration
Neutron cross section measurements are often made relative to a neutron cross section standard. Thus, the accuracy of the neutron standards determines the best possible accuracy of the neutron measurements. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 284 (2023) 01030 Fulltext: PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022, pp.01030
2.
Energy deposition studies for the LHCb insertion region of the CERN Large Hadron Collider / Ciccotelli, Alessia (Manchester U. ; CERN) ; Appleby, Robert B (Manchester U.) ; Cerutti, Francesco (CERN) ; Bilko, Kacper (CERN) ; Esposito, Luigi Salvatore (CERN) ; Garcia Alia, Ruben (CERN) ; Lechner, Anton (CERN) ; Tsinganis, Andrea (CERN)
The LHCb (Large Hadron Collider beauty) experiment at CERN LHC aims at achieving a significantly higher luminosity than originally planned by means of two major upgrades: the Upgrade I that took place during the Long Shutdown 2 (LS2) and the Upgrade II proposed for LS4. Such an increase in instantaneous and integrated luminosity with respect to the design values requires to reassess the radiation exposure of LHC magnets, cryogenics, and electronic equipment placed in the insertion region 8 (IR8) around LHCb. [...]
2023 - 14 p. - Published in : Phys. Rev. Accel. Beams 26 (2023) 061002 Fulltext: PDF;
3.
Measurement of the $^{14}$N(n,p)$^{14}$C cross section at the CERN n_TOF facility from sub-thermal energy to 800 keV / n_TOF Collaboration
Background: The $^{14}$N(n,p)$^{14}$C reaction is of interest in neutron capture therapy, where nitrogen-related dose is the main component due to low-energy neutrons, and in astrophysics, where 14N acts as a neutron poison in the s-process. Several discrepancies remain between the existing data obtained in partial energy ranges: thermal energy, keV region and resonance region. [...]
arXiv:2212.05128.- 2023-06-29 - 15 p. - Published in : Phys. Rev. C 107 (2023) 064617 Fulltext: 2212.05128 - PDF; Publication - PDF;
4.
Energy deposition studies in the LHCb insertion region from the validation to a step into the Hilumi challenge / Ciccotelli, Alessia (Manchester U. ; CERN) ; Appleby, Robert B. (Manchester U.) ; Cerutti, Francesco (CERN) ; Bilko, Kacper (CERN) ; Esposito, Luigi Salvatore (CERN) ; Garcia Alia, Ruben (CERN) ; Lechner, Anton (CERN) ; Tsinganis, Andrea (CERN)
The LHCb (Large Hadron Collider beauty) experiment at CERN aims at achieving a significantly higher luminosity than originally planned by means of two major upgrades: the Upgrade I that took place during the Long Shutdown 2 (LS2) and the Upgrade II foreseen for LS4. [...]
arXiv:2205.15645.
- 13 p.
Fulltext
5.
First Results of the $^{140}$Ce(n,$\gamma$)$^{141}$Ce Cross-Section Measurement at n_TOF / n_TOF Collaboration
An accurate measurement of the $^{140}$Ce(n,$\gamma$) energy-dependent cross-section was performed at the n_TOF facility at CERN. This cross-section is of great importance because it represents a bottleneck for the s-process nucleosynthesis and determines to a large extent the cerium abundance in stars. [...]
2021 - 11 p. - Published in : Universe 7 (2021) 200 Fulltext: PDF;
6.
Study of the Impact of the LHC Radiation Environments on the Synergistic Displacement Damage and Ionizing Dose Effect on Electronic Components / Ferraro, Rudy (CERN ; LIRMM, Montpellier) ; Danzeca, Salvatore (CERN) ; Cangialosi, Chiara (CERN) ; García Alía, Rubén (CERN) ; Cerutti, Francesco (CERN) ; Tsinganis, Andrea (CERN) ; Dilillo, Luigi (LIRMM, Montpellier) ; Brugger, Markus (CERN) ; Masi, Alessandro (CERN)
Bipolar-based components can exhibit a higher (or lower) degradation when exposed to both total ionizing dose (TID) and displacement damage (DD) effects simultaneously than the sum of the two separated effects. This paper investigates the implications of this synergistic effect on the radiation qualification process of large hadron collider's (LHC's) electronic equipment. [...]
2019 - 9 p. - Published in : IEEE Trans. Nucl. Sci. 66 (2019) 1548-1556
In : Conference on Radiation and its Effects on Components and Systems, Gothenburg, Sweden, 16 - 21 Sep 2018, pp.1548-1556
7.
Chapter 10: Energy deposition and radiation to electronics / Cerutti, Francesco (CERN) ; Garcia Alia, Ruben (CERN) ; Lerner, G (CERN) ; Sabaté Gilarte, M (CERN ; Seville U.) ; Tsinganis, Andrea (CERN ; ELI-Beamlines, Dolni Brezany)
Proton–proton inelastic collisions taking place inside the four LHC detectors generate a large number of secondary particles with an average multiplicity of approximately 120 per single proton–proton interaction with 7 TeV beams, but with very substantial fluctuations over different events. Moving away from the interaction point (IP), this multiform population evolves, even before touching the surrounding material, because of the decay of unstable particles (in particular neutral pions decaying into photon pairs)..
2020 - 14 p. - Published in : 10.23731/CYRM-2020-0010.199 Fulltext: PDF;
In : High-Luminosity Large Hadron Collider (HL-LHC): Technical design report, pp.199-212
8.
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
9.
Characterisation of the radiation hardness of cryogenic bypass diodes for the HL-LHC inner triplet quadrupole circuit / Wollmann, Daniel (CERN) ; Bernhard, Axel (KIT, Karlsruhe) ; Cangialosi, Chiara (CERN) ; Cerutti, Francesco (CERN) ; D'Angelo, Giorgio (CERN) ; Danzeca, Salvatore (CERN) ; Denz, Reiner (CERN) ; Favre, Mathieu (CERN) ; Garcia Alia, Ruben (CERN) ; Hagedorn, Dietrich (CERN) et al.
The powering layout of the new HL-LHC Nb$_3$Sn triplet circuits is the use of cryogenic bypass diodes, where the diodes are located inside an extension to the magnet cryostat, operated in superfluid helium and exposed to radiation. Therefore, the radiation hardness of different type of bypass diodes has been tested at low temperatures in CERN’s CHARM irradiation facility during the operational year 2018. [...]
CERN-ACC-2019-265.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-THPTS067 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPTS067
10.
LHCb Upgrades and operation at 1034 cm-2 s-1 luminosity –A first study / Efthymiopoulos, Ilias (CERN) ; Arduini, Gianluigi (CERN) ; Baglin, Vincent (CERN) ; Burkhardt, Helmut (CERN) ; Cerutti, Francesco (CERN) ; Claudet, Serge (CERN) ; Di Girolamo, Beniamino (CERN) ; De Maria, Riccardo (CERN) ; Esposito, Luigi Salvatore (CERN) ; Karastathis, Nikos (CERN) et al.
Presently, the LHCb experiment at IP8 operates at reduced luminosity (~4.0 1032 cm-2 s-1) compared to ATLAS and CMS experiments. [...]
CERN-ACC-NOTE-2018-0038.
- 2018.
Full text

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