CERN Accelerating science

All CERN Accelerators documents

Announcement
This new collection aggregates CERN accelerator-related documents on CDS. It will continuously be enriched and improved in the near future.
Latest additions:
2020-10-28
14:30
The design update of the X-band RF pulse compressor with Correction Cavities for the CLIC 380 GeV klystron based accelerator / Cai, Jinchi (Lancaster University (GB)) ; Syratchev, Igor (CERN)
The X-band RF Pulse Compressor (PC) with Correction Cavities was selected as a base line option for the CLIC 380 GeV klystron based accelerator. [...]
CERN-ACC-2020-0031 ; CLIC-Note-1166.
- 2020. - 6 p.
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2020-10-27
17:21
ATF report 2020 / Aryshev, Alexander (KEK, High Energy Accelerator Research Organization (Japan)) ; Bambade, Philip (Université Paris-Saclay (FR)) ; Bett, Douglas Robert (University of Oxford (GB)) ; Brunetti, Laurent (Centre National de la Recherche Scientifique (FR)) ; Burrows, Philip Nicholas (University of Oxford (GB)) ; Cilento, Vera (Université Paris-Saclay (FR)) ; Faus-Golfe, Angeles (Université Paris-Saclay (FR)) ; Karataev, Pavel (University of London (GB)) ; Korysko, Pierre (University of Oxford (GB)) ; Kiyoshi, Kubo (KEK, High Energy Accelerator Research Organization (Japan)) et al.
The KEK accelerator test faciliry (ATF) conducts R&D on a beam for the Linear Collider. [...]
CERN-ACC-2020-0029.
- 2020. - 77 p.

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2020-10-27
17:01
Impact and possible mitigation measures in case of failure of lattice sextupole and octupole circuits in Run 3 / Fartoukh, Stephane (CERN)
Depending on the machine configuration which is used in operation, the failure of some lattice sextupole and octupole circuits might have a substantial impact on the machine performance (β∗ and beam brightness limitations). [...]
CERN-ACC-NOTE-2020-0057.
- 2020. - 25 p.

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2020-10-27
16:57
Combined ramp and telescopic squeeze: MD 3270 / Fartoukh, Stephane (CERN) ; Azzopardi, Gabriella (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Coello De Portugal - Martinez Vazquez, Jaime Maria ; Fuster Martinez, Nuria ; Iadarola, Giovanni (CERN) ; Karastathis, Nikos ; Kostoglou, Sofia (CERN) ; Maclean, Ewen Hamish (CERN) et al.
This paper highlights the outcome of the 2018 round ATS MD program, which aimed at demonstrating the feasibility of a combined ramp and telescopic squeeze as a potential key ingredient to operate the machine in Run 3, with much brighter and more energetic beams with respect to Run 2. [...]
CERN-ACC-2020-0028.
- 2020. - 40 p.

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2020-10-27
16:18
MD2490 – Measurement of the TMCI threshold at flat-top in the LHC / Albert, Markus (CERN) ; Amorim, David (Universite Grenoble-Alpes (FR)) ; Antipov, Sergey ; Biancacci, Nicolo (CERN) ; Buffat, Xavier (CERN) ; Carver, Lee Robert (University of Liverpool (GB)) ; Fuchsberger, Kajetan ; Mereghetti, Alessio ; Metral, Elias (CERN) ; Mounet, Nicolas (CERN) et al.
This report summarizes the results of MD2490 on the measurement of the intensity threshold of the Transverse Mode Coupling Instability (TMCI) in the LHC at flat top. [...]
CERN-ACC-NOTE-2020-0056.
- 2020.

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2020-10-27
15:57
Status of the ESSnuSB Extraction Design / Alekou, Androula (University of Manchester (GB)) ; Bartosik, Hannes (CERN) ; Efthymiopoulos, Ilias (CERN)
In the European Spallation Source (ESS) neutrino Super Beam (ESSnuSB), a very intense neutrino beam will be produced in order to measure with a high precision the CP violating angle at the 2nd oscillation maximum. [...]
CERN-ACC-2020-0027.
- 2020. - 7 p.

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2020-10-22
04:02
Estimating chromatic properties of electron beams from frequency analysis of turn-by-turn beam position data / Zisopoulos, Panagiotis (CERN) ; Papaphilippou, Yannis (CERN)
A method to estimate linear chromaticity, RMS energy spread, and chromatic beta-beating, directly from turn-by-turn beam position data in a circular electron accelerator, is presented. [...]
arXiv:2009.08517.
- 31 p.
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2020-10-22
04:02
A Model for Simulating Stray Magnetic Fields in Linear Colliders / Gohil, C. (JAI, UK ; CERN) ; Burrows, P.N. (JAI, UK) ; Blaskovic Kraljevic, N. (CERN) ; Schulte, D. (CERN) ; Heilig, B. (Unlisted, HU)
Future linear colliders target nanometre beam sizes at the collision point. [...]
arXiv:2009.01524.
- 16 p.
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2020-10-20
11:31
Simulation and Measurement Report for the SPS BTV / Farricker, Aaron (University of Liverpool (GB)) ; Kramer, Patrick (CERN) ; Vollinger, Christine (CERN)
The SPS BTV is an integral part of the new beam dump area of the the SPS installed in LSS5 during LS2. [...]
CERN-ACC-NOTE-2020-0055.
- 2020. - 7 p.
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2020-10-20
04:10
Impact of the 50 Hz harmonics on the beam evolution of the Large Hadron Collider / Kostoglou, Sofia (CERN ; Natl. Tech. U., Athens) ; Arduini, Gianluigi (CERN) ; Intelisano, Leandro (CERN ; INFN, Rome) ; Papaphilippou, Yannis (CERN) ; Sterbini, Guido (CERN)
Harmonics of the mains frequency (50 Hz) have been systematically observed in the transverse beam spectrum of the Large Hadron Collider (LHC) since the start of its operation in the form of dipolar excitations. [...]
arXiv:2009.02366.
- 10 p.
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