CERN Accelerating science

All CERN Accelerators documents

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2019-08-21
08:59
CLIC study update July 2019 / Latina, Andrea (CERN) ; Schulte, Daniel (CERN) ; Stapnes, Steinar (CERN)
The CLIC study submitted a number of reports as input to the update of European Strategy for Particle Physics in 2018, among them detailed descriptions of the CLIC accelerator complex and its performance. [...]
CERN-ACC-2019-0051 ; CLIC-Note-1143.
- 2019. - 4 p.

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2019-08-21
06:46
Thermal shock experiment of beryllium exposed to intense high energy proton beam pulses / Ammigan, K (Fermilab) ; Bidhar, S (Fermilab) ; Hurh, P (Fermilab) ; Zwaska, R (Fermilab) ; Butcher, M (CERN) ; Calviani, M (CERN) ; Guinchard, M (CERN) ; Losito, R (CERN) ; Kuksenko, V (Oxford U.) ; Roberts, S (Oxford U.) et al.
Beryllium is a material extensively used in various particle accelerator beam lines and target facilities, as beam windows and, to a lesser extent, as secondary particle production targets. With increasing beam intensities of future multimegawatt accelerator facilities, these components will have to withstand even greater thermal and mechanical loads during operation. [...]
FERMILAB-PUB-18-670-AD.- 2019 - 14 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 044501 Fulltext: PDF; Fulltext from Publisher: PDF; External link: FERMILABPUB

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2019-08-21
06:46
Field Quality of HD3—A Nb$_3$Sn Dipole Magnet Based on Block Design / Wang, Xiaorong (LBL, Berkeley) ; Cheng, Daniel W (LBL, Berkeley) ; Dietderich, Daniel R (LBL, Berkeley) ; DiMarco, Joseph (Fermilab) ; Felice, Hélène (Saclay) ; Ferracin, Paolo (CERN) ; Marchevsky, Maxim (LBL, Berkeley) ; Prestemon, Soren O (LBL, Berkeley) ; Sabbi, Gianluca (LBL, Berkeley)
HD3 is the latest magnet of a series of block-type Nb3Sn dipole model magnets developed by the Superconducting Magnet Program at Lawrence Berkeley National Laboratory. The magnet is 1 m long with a clear aperture of 43 mm. [...]
FERMILAB-PUB-19-402-TD.- 2019 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4002507

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2019-08-21
06:46
Optimization of the CLIC positron source using a start-to-end simulation approach involving multiple simulation codes / Han, Y L (Orsay, LAL) ; Bayar, C (Ankara U.) ; Latina, A (CERN) ; Doebert, S (CERN) ; Schulte, D (CERN) ; Ma, L L (Shandong U.)
A start-to-end optimization simulation toolkit for the CLIC positron source has been developed using multiple simulation codes to model adequately different areas of the positron source. The positron source includes the targets using channeling and pair-production processes, the adiabatic matching device and the pre-injector and injector linacs. [...]
2019 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 928 (2019) 83-88

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2019-08-21
04:42
Further searches of the Higgs scalar sector at the ESS / Rubbia, Carlo (GSSI, Aquila ; CERN)
Recent decades have witnessed remarkable confirmations of the Standard Model (SM) describing the Electro-Weak and Strong Interactions. [...]
arXiv:1908.05664.
- 62 p.
Fulltext

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2019-08-21
04:42
Beam-beam effects on the luminosity measurement at FCC-ee / Voutsinas, Georgios (CERN) ; Perez, Emmanuel (CERN) ; Dam, Mogens (Bohr Inst.) ; Janot, Patrick (CERN)
The first part of the physics programme of the integrated FCC (Future Circular Colliders) proposal includes measurements of Standard Model processes in $e^+e^-$ collisions (FCC-ee) with an unprecedented precision. [...]
arXiv:1908.01698.
- 23 p.
Fulltext

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2019-08-20
22:02
The International Particle Physics Outreach Group
IPPOG-CONF-SLIDES-004.- Geneva : CERN, 2019 Fulltext: PDF;

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2019-08-20
20:30
Particle Physics Outreach as a Strategic Pillar for Society: A Report from IPPOG
The International Particle Physics Outreach Group (IPPOG) is a network of scientists, science educators and communication specialists working across the globe in informal science education and outreach for particle physics. The IPPOG Collaboration comprises 30 members: 24 countries, 5 experiments and CERN as an international laboratory. [...]
IPPOG-CONF-PROC-001.- Geneva : CERN, 2019 Fulltext: PDF;

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2019-08-20
06:49
Manufacture and Test of the ITER TF Type HTS Current Lead Prototypes / Ding, Kaizhong (Hefei, Inst. Plasma Phys.) ; Zhou, Tingzhi (Hefei, Inst. Plasma Phys.) ; Ballarino, Amalia (CERN) ; Gung, Chenyu (Southampton U.) ; Lu, Kun (Hefei, Inst. Plasma Phys.) ; Song, Yuntao (Hefei, Inst. Plasma Phys.) ; Niu, Erwu (Beihang U.) ; Bauer, Pierre (BIAM, St Paul lez Durance) ; Devred, Arnaud (BIAM, St Paul lez Durance) ; Lee, Seungje (BIAM, St Paul lez Durance) et al.
High temperature superconducting current leads (HTS-CL) are designed to supply the current to the large superconducting ITER magnets for the operation with reduced heat load to the cryogenic system. The Toroidal field (TF) current leads are the largest with a current capacity of 68 kA each. [...]
2019 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4802605

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2019-08-20
06:49
How to Computationally Determine the Maximum Stable Operation Current of an HTS Magnet / Ruuskanen, Janne (Tampere U. of Tech.) ; Stenvall, Antti (Tampere U. of Tech.) ; Lahtinen, Valtteri (Tampere U. of Tech.) ; van Nugteren, Jeroen (CERN) ; Kirby, Glyn (CERN) ; Murtomäki, Jaakko (Tampere U. of Tech.)
The short-sample critical current is only an indicative property for the maximum current a magnet can be continuously operated with. This was especially visible in the experiments of one of the world's first Roebel-cable-based high temperature superconductors dipole magnet prototype built and tested at CERN in 2017 where the thermal runaway developed very slowly in many cases. [...]
2019 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4701204 fulltext from publisher: PDF;

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