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SPS and CNGS

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2021-01-19
06:00
A low fluctuation control strategy for PMSM direct drive system targeting Particle Beam Instrumentation Application / Emery, Jonathan (CERN) ; Andersson, Patrik (CERN) ; Roncarolo, Federico (CERN) ; Thoma, Yann (Appl. Sci. U., Yverdon)
Particle accelerators have a singular environment where multiple constraints are driving the engineering of equipment. [...]
2019. - 7 p.

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2021-01-15
11:59
Space charge and intrabeam scattering effects for Lead-ions and Oxygen-ions in the LHC injector chain / John, Isabelle (Lund University (SE)) ; Bartosik, Hannes (CERN)
In the context of a possible LHC run with Oxygen-ion beams in about 2023, this report presents results of the space charge and intrabeam scattering effects for the Oxygen beam in comparison to the operational Lead beam in the LHC ion-injector chain (LEIR, PS and SPS). [...]
CERN-ACC-NOTE-2021-0003. - 2021. - 31 p.

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2021-01-13
19:08
Optimisation of Slow Extraction and Beam Delivery from Synchrotrons / Arrutia Sota, Pablo Andreas
Third-integer slow extraction is a commonly used extraction technique for a variety of ap- plications where long and stable spills are needed [...]
CERN-THESIS-2020-259 -

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2021-01-13
16:20
Development of an LHC model in BDSIM to study collimation cleaning and beam-induced backgrounds at ATLAS / Walker, Stuart Derek
The Large Hadron Collider (LHC) is at the frontier of high energy physics [...]
CERN-THESIS-2019-410 - 194 p.

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2021-01-13
13:50
Production of mass separated $^{11}$C beams for PET-aided hadron therapy / Stegemann, Simon Thomas
Ever since the first discovery of an artificially-generated radionuclide, the production of radioisotopes and radioactive ion beams has been an essential tool in nuclear physics research for the study of the atomic nucleus and its properties [...]
CERN-THESIS-2020-257 -

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2021-01-06
04:38
Investigation on steering of ultrarelativistic $e^{\pm}$ beam through an axially oriented bent crystal / Bandiera, L. (INFN, Ferrara) ; Kyryllin, I.V. (Kharkov, KIPT ; Kharkov Natl. U.) ; Brizzolari, C. (Insubria U., Como ; INFN, Milan Bicocca) ; Camattari, R. (INFN, Ferrara ; Ferrara U.) ; Charitonidis, N. (CERN) ; De Salvador, D. (INFN, Padua) ; Guidi, V. (INFN, Ferrara ; Ferrara U.) ; Mascagna, V. (Insubria U., Como ; INFN, Milan Bicocca) ; Mazzolari, A. (INFN, Ferrara) ; Prest, M. (Insubria U., Como ; INFN, Milan Bicocca) et al.
An investigation on stochastic deflection of high-energy charged particles in a bent crystal was carried out. [...]
arXiv:2011.13283. - 25 p.
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2020-12-18
04:01
Recent highlights and plans of the AWAKE experiment / Della Porta, Giovanni Zevi (CERN)
The Advanced Wakefield Experiment (AWAKE) is an accelerator R&D experiment at CERN using, for the first time, a high-energy proton bunch to drive wakefields in plasma and accelerating electrons to the GeV energy scale. [...]
arXiv:2012.05033. - 6 p.
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2020-12-17
06:00
A new beam synchronous processing architecture with a fixed frequency processing clock. Application to transient beam loading compensation in the CERN SPS machine / Galindo Guarch, F Javier (Barcelona, Polytechnic U. ; CERN) ; Baudrenghien, Philippe (CERN) ; Moreno Arostegui, J Manuel (Barcelona, Polytechnic U.)
New projects being implemented or planned at CERN, such as the LHC Injectors Upgrade (LIU), the High-Luminosity LHC (HL-LHC) or the Future Circular Collider (FCC), motivate the change of several architectural paradigms in the Low Level RF systems (LLRF). In the upgraded Super Proton Synchrotron (SPS) LLRF, the distribution of RF, the revolution frequency, settings and synchronization timings will rely on a deterministic link, the White Rabbit (WR), exploiting a distributed topology. [...]
2021 - 13 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 988 (2021) 164894 Fulltext: PDF;

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2020-12-17
06:00
Dynamic simulations of the HL-LHC cryogenic system during beam operation / Bradu, B (CERN)
This paper presents a set of dynamic simulations performed on the future High Luminosity Large Hadron Collider (HL-LHC) cryogenic system. The objectives of these simulations are to provide main pressure, temperature and flow transients over the cryogenic distribution system around the collision points 1 and 5 during the forecast beam operation. [...]
2021 - 12 p. - Published in : Cryogenics 113 (2021) 103214

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2020-12-16
06:02
Impact of neutrons on the RadFET dose response when exposed to mixed-fields / Marzo, M (CERN) ; Alia, R G (CERN) ; Infantino, A (CERN) ; Brucoli, M (CERN) ; Danzeca, S (CERN)
The Radiation MONitoring (RadMON) system is widely employed at CERN to measure the radiation levels in the accelerators, as well as the degradation of electronics located in the Large Hadron Collider (LHC) tunnel and shielded areas. Radiation Field Effect Transistors (RadFETs) integrated in the RadMON specifically measure the Total Ionizing Dose (TID) in the accelerators complex and are affected in turn by the CERN radiation field. The CERN High energy AcceleRator Mixed-field test facility (CHARM) has been built with the intention of reproducing different mixed-fields (atmospheric, space, accelerators, ground,…), to test electronics when exposed to specific radiation environments. [...]
2021 - 8 p. - Published in : Radiat. Phys. Chem. 179 (2021) 108062 Fulltext: PDF;

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