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CERN Accelerating science

All CERN Accelerators documents

Nyeste elementer:
2020-02-19
16:42
Finite Element Analysis of Magneto-Thermal Transient Effects in Superconducting Accelerator Magnets / Wilczek, Michal (Lodz Technical University (PL))
In this thesis, an electro-thermal multidimensional model is constructed in ANSYS APDL to simulate self-protectability scenarios of superconducting magnets. The analysis takes the longitudinal and the turn-to-turn quench propagation into account. [...]
CERN-THESIS-2020-006.- 141 p. Fulltext: PDF; External link: Approve this document (restricted)

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2020-02-18
18:42
Anomaly detection for the injection kickermagnets of the CERN Large HadronCollider / Dewitte, Thiebout Thomas
Reliability, availability and maintainability are parameters that determine if a large-scale accelerator system can be operated in a sustainable and cost effective manner. Beam transfer equipment such as kicker systems are critical components with potential significant impact on the global performance of the entire machine complex [...]
CERN-THESIS-2019-294.- 85 p. Fulltext: PDF; External link: Approve this document (restricted)

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2020-02-18
12:10
MD4944: Local linear coupling measurement at the IPs / Persson, Tobias Hakan Bjorn (CERN) ; Carlier, Felix Simon (Technische Universiteit Delft (NL)) ; Hofer, Michael (Vienna University of Technology (AT)) ; Maclean, Ewen Hamish (University of Malta (MT)) ; Tomas Garcia, Rogelio (CERN) ; Garcia-Tabares Valdivieso, Ana (Universidad Complutense (ES))
It was observed that a large local linear coupling around IP2 reduced the luminosity during the 2018 ion run. [...]
CERN-ACC-NOTE-2020-0013.
- 2020. - 9 p.

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2020-02-18
12:05
Assessment of numerical methods for particle tracking in field maps / Agazzi, Costanza (Politecnico di Milano (IT))
Particle tracking in accelerators elements requires accurate and efficient numerical methods. The aim of this thesis is to study and test methods which guarantee the conservation of particle motion properties when crossing non-linear elements. [...]
CERN-THESIS-2019-292.- 106 p. Fulltext: PDF; External link: Approve this document (restricted)

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2020-02-18
09:18
Q-Measurement in the SPS / Mills, W P C
LabII-CO-Int-BM-PM-73-3 ; CERN-LabII-CO-Int-BM-PM-73-3.
- 1973. - 15 p.

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2020-02-18
08:22
LHC status and performance / Wenninger, Jorg (CERN)
The CERN Large Hadron Collider operated during Run 2 (2015-2018) at a beam energy of 6.5 TeV. This period saw an important increase in performance through improvements in the LHC and an increased beam quality from its injectors, leading to a peak luminosity that exceeds the LHC design luminosity by more than a factor two. [...]
SISSA, 2018 - 9 p. - Published in : PoS CHARGED2018 (2019) 001 Fulltext: PDF; External link: PoS server
In : 7th workshop on prospects for charged Higgs discovery at colliders, Uppsala, Sweden, 25 - 28 Sep 2018, pp.001

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2020-02-18
08:22
Improvement of the CERN SPS electrostatic septa ion traps / Balhan, B (CERN) ; Barlow, R A (CERN) ; Borburgh, J (CERN) ; Raffaele, G (Bari Polytechnic)
At CERN, the SPS synchrotron is equipped with a slow extraction channel towards the fixed target beam lines in the North Area This channel includes five consecutive electrostatic septa, where the field free region and the active high field region are separated by an array of tungsten-rhenium wires. The field-free region provides for the circulating beam, while the high field region is used to deflect the extracted beam. [...]
2016 - 4 p. - Published in : 10.1109/DEIV.2016.7764034
In : The 27th International Symposium on Discharges and Electrical Insulation in Vacuum (27th ISDEIV), Suzhou, China, 18 - 23 Sep 2016, pp.7764034

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2020-02-15
06:48
Transverse pressure effect on superconducting Nb$_3$Sn Rutherford and $Re$BCO Roebel cables for accelerator magnets / Gao, Peng
This thesis seeks to expand the understanding of the transverse pressure effects on state-of-the-art Nb$_3$Sn Rutherford and $Re$BCO Roebel cables for application in accelerator magnets [...]
CERN-THESIS-2019-289. - 2019. - 170 p.


10.3990/1.9789402816587
Fulltext
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2020-02-14
07:40
A Comparative Study of Radiation-Tolerant Fiber Optic Sensors for Relative Humidity Monitoring in High-Radiation Environments at CERN / Berruti, G (CERN ; Sannio U.) ; Consales, M (Sannio U.) ; Borriello, A (CNR, IMCB) ; Giordano, M (CNR, IMCB) ; Buontempo, S (INFN, Naples) ; Makovec, A (Debrecen U.) ; Breglio, G (U. Naples (main)) ; Petagna, P (CERN) ; Cusano, A (Sannio U.)
In this paper, we report a comparative study of fiber optic sensors for applications of relative humidity (RH) monitoring in high-radiation environments. [...]
2014. - 15 p.

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2020-02-13
08:12
Reduction of 400  GeV/c slow extraction beam loss with a wire diffuser at the CERN Super Proton Synchrotron / Goddard, Brennan (CERN) ; Balhan, Bruno (CERN) ; Borburgh, Jan (CERN) ; Esposito, Luigi (CERN) ; Fraser, Matthew Alexander (CERN) ; Jorat, Louise (CERN) ; Kain, Verena (CERN) ; Lolliot, Christophe (CERN) ; Stoel, Linda Susan (CERN) ; van Trappen, Pieter (CERN) et al.
Slow extraction of a quasicontinuous flux of high-energy protons is an important requirement for many high-energy physics experiments. This extraction type is associated with an unavoidable beam loss due to scattering on the thin septum element. [...]
2020 - 13 p. - Published in : Phys. Rev. Accel. Beams 23 (2020) 023501 Fulltext: PDF;

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