CERN Accelerating science

All CERN Accelerators documents

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2020-11-24
15:16
Mise à jour N°33 des SPS-AES Standards : Liste des abréviations, Chapitre 2 / Koerner, H
SPS-AES-IN-KOEH-0072H ; SPS-AES-IN-KOEH-0071H ; SPS-AES-IN-KOEH-0068H.
- 1987. - 53 p.
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2020-11-24
12:09
Bunch characteristics evolution for lepton and hadron rings under the influence of the Intra-beam scattering effect / Papadopoulou, Parthena Stefania (University of Crete (GR))
The physical parameter quantifying particle events’ production and thereby the performance of a collider is the luminosity. High luminosities are reached by increasing the beam brightness, i.e. [...]
CERN-THESIS-2019-405.- 123 p. Fulltext: PDF; External link: Approve this document (restricted)

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2020-11-24
11:33
Strategy for Landau damping of head-tail instabilities at top energy in the HL-LHC / Buffat, Xavier (CERN) ; Antipov, Sergey ; Arduini, Gianluigi (CERN) ; De Maria, Riccardo (CERN) ; Karastathis, Nikos ; Kostoglou, Sofia (CERN) ; Koval, Adam (University of Dundee (GB)) ; Maclean, Ewen Hamish (CERN) ; Mounet, Nicolas (CERN) ; Papaphilippou, Yannis (CERN) et al.
The main aspects linked to Landau damping of head-tail instabilities at top energy in the HL-LHC are discussed, in particular the interplay between the arc octupoles and long-range, offset or head-on beam-beam interactions as well as lattice imperfections. [...]
CERN-ACC-NOTE-2020-0059.
- 2020. - 28 p.
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2020-11-24
11:26
Study of the Effect of Detuning Impedance on Beam Stability / Chitnis, Ninad (ETH Zurich (CH)) ; Zannini, Carlo (CERN) ; Mounet, Nicolas (CERN) ; Rumolo, Giovanni (CERN)
The impact of the detuning impedance on the stability of a particle beam is a relatively less studied phenomenon compared to the usual case of considering only the driving impedance [...]
CERN-ACC-NOTE-2020-0058.
- 2020. - 39 p.
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2020-11-24
07:56
Characterization of Magnetic Steels for the FCC-ee Magnet Prototypes / Anglada, Jaime R (CERN) ; Arpaia, Pasquale (Naples U.) ; Buzio, Marco (CERN) ; Pentella, Mariano (Turin Polytechnic) ; Petrone, Carlo (CERN)
At the European Organization for the Nuclear Research (CERN), several efforts were combined for a preliminary design of a new accelerator, the Future Circular Collider (FCC), a 100-TeV double-ring hadron collider to be installed in a 100-km tunnel. [...]
2020. - 7 p.

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2020-11-23
08:58
Stochastic cooling pickup/kicker developments for the High-precision Spectrometer Ring in the HIAF Project at IMP / Caspers, Fritz (European Scientific Institute (FR))
Stochastic cooling of the Spectrometer Ring (SRing) at the High Intensity heavy-ion Accelerator Facility (HIAF) project in China, which is used mainly for experiments with radioactive fragment beams, is applied to speed up the cooling process of a stored ion beam. In this study, both a Faltin traveling wave structure and a novel slot-ring standing wave structure based on a ceramic vacuum chamber are discussed and evaluated for the pickup/kicker of the SRing stochastic cooling system. [...]
CERN-OPEN-2020-014; https://doi.org/10.1109/TNS.2020.3038525.- Beijing : Guangdong Innovative and Entrepreneurial Research Team Program, 2020 - 12 p. Preprint: PDF; External link: Approve this document (restricted)

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2020-11-20
06:01
ESS$\nu$SB Linac Design and Beam Dynamics / Folsom, Benjamin (ESS, Lund) ; Gålnander, Björn (ESS, Lund) ; Eshraqi, Mamad (ESS, Lund) ; Farricker, Aaron (CERN)
The ESS neutrino superbeam project is being studied as an upgrade to the European Spallation Source. This would entail the addition of an $\mathrm{H^-}$ source to the existing beamline to send $\mathrm{H^-}$ pulses in between proton pulses, effectively doubling the beam power from five to ten megawatts. [...]
SISSA, 2019 - 6 p. - Published in : PoS NuFact2019 (2019) 060
In : The 21st International Workshop on Neutrinos from Accelerators, Daegu, Republic Of Korea, 26 - 31 Aug 2019, pp.060

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2020-11-18
11:30
Unidentified Falling Objects in the Large Hadron Collider: Formation, Charging Mechanisms and Dynamics of Dust Particulates in a High Energy Proton Accelerator / Belanger, Philippe
Micrometer-sized dust particulates present in the LHC beam pipe are known to be causing a large number of sporadic beam loss events all around the LHC, some of which are large enough to provoke protection dumps or induce magnet quenches [...]
CERN-THESIS-2020-196 http://hdl.handle.net/2429/76246 ; DOI:10.14288/1.0394575. - Vancouver : University of British Columbia, 2020-10-01. - 79 p.

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2020-11-18
11:18
The Compact Linear Collider (CLIC) Snowmass 2021 LoI / Robson, Aidan (University of Glasgow (GB)) ; Burrows, Philip Nicholas (University of Oxford (GB)) ; Schulte, Daniel (CERN) ; Stapnes, Steinar (CERN)
The Compact Linear Collider (CLIC) is a multi-TeV high-luminosity linear e+e− collider under development by the CLIC accelerator collaboration. [...]
CERN-ACC-2020-0033 ; CLIC-Note-1168.
- 2020. - 4 p.
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2020-11-18
06:03
Novel $X$ -band transverse deflection structure with variable polarization / Craievich, P (PSI, Villigen) ; Bopp, M (PSI, Villigen) ; Braun, H H (PSI, Villigen) ; Citterio, A (PSI, Villigen) ; Fortunati, R (PSI, Villigen) ; Ganter, R (PSI, Villigen) ; Kleeb, T (PSI, Villigen) ; Marcellini, F (PSI, Villigen) ; Pedrozzi, M (PSI, Villigen) ; Prat, E (PSI, Villigen) et al.
A collaboration between DESY, PSI and CERN has developed and built an advanced modular X-band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. The prototype of the novel X-band TDS, the polarizable $X$-band (PolariX) TDS, was fabricated at PSI following the high-precision tuning-free production process developed for the C-band Linac of the SwissFEL project. [...]
2020 - 22 p. - Published in : Phys. Rev. Accel. Beams 23 (2020) 112001 Fulltext: PDF;

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