CERN Accelerating science

ABOUT PUBLISHED ARTICLES
The Articles collection aims to cover as far as possible the published literature in particle physics and its related technologies. The collection starts, comprising only the most important documents in the first decencies, from the mid of the 19th century. The full coverage starts from 1980 onwards. CERN publications are though covered 100% since the foundation of the organisation in 1954. The CERN Annual Report, vol. 3 - List of CERN Publications, is extracted from this dataset.

Published Articles

Latest additions:
2018-09-26
06:42
LLRF Studies for HL-LHC Crab Cavities / Baudrenghien, Philippe (CERN) ; Mastoridis, Themis (Cal. Poly.)
The HL-LHC upgrade includes sixteen Crab Cavities (CC) to be installed on both sides of the high luminosity experiments, ATLAS and CMS. Two issues have been highlighted for the Low Level RF: transverse emittance growth (and associated luminosity drop) caused by CC RF noise, and large collimator losses following a CC trip. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-HB2018-THP2WC02 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.THP2WC02

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2018-09-26
06:42
BPM Technologies for Quadrupolar Moment Measurements / Sounas, Apostolos (CERN) ; Gąsior, Marek (CERN) ; Lefèvre, Thibaut (CERN)
Quadrupolar pick-ups (PU) have attracted particlular interest as candidates for non-intercepting beam size and emittance measurements. However, their application has been proven to be limited. [...]
2018 - 5 p. - Published in : 10.18429/JACoW-HB2018-THA1WE03 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.THA1WE03

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2018-09-26
06:41
Operational challenges and performance of the LHC during Run II / Steerenberg, Rende (CERN) ; Wenninger, Jorg (CERN)
The CERN Large Hadron Collider Run II saw an important increase in beam performance through both, improvements in the LHC and an increased beam brightness from the injectors, leading to a peak luminosity that exceeds the LHC design luminosity by more than a factor two. This contribution will give an overview of run 2, the main challenges encountered and it will address the measures applied to deal with and make use of the increased beam brightness. [...]
2018 - 5 p. - Published in : 10.18429/JACoW-HB2018-THA2WD01 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.THA2WD01

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2018-09-26
06:41
High-Brightness Challenges for the Operation of the CERN Injector Complex / Hanke, Klaus (CERN) ; Albright, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Bartosik, Hannes (CERN) ; Shaposhnikova, Elena (CERN) ; Damerau, Heiko (CERN) ; Di Giovanni, Gian Piero (CERN) ; Goddard, Brennan (CERN) ; Huschauer, Alexander (CERN) ; Kain, Verena (CERN) et al.
CERN's LHC injectors are delivering high-brightness proton and ion beams for the Large Hadron Collider LHC. We review the present operation modes and beam performance, and highlight the limitations. [...]
2018 - 5 p. - Published in : 10.18429/JACoW-HB2018-THA1WD04 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.THA1WD04

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2018-09-26
06:41
Studies of Transverse Instabilities in the CERN SPS / Beck, Mario (CERN ; U. Rostock) ; Bartosik, Hannes (CERN) ; Carlà, Michele (CERN) ; Li, Kevin (CERN) ; Rumolo, Giovanni (CERN) ; Schenk, Michael (CERN ; Ecole Polytechnique, Lausanne) ; van Rienen, Ursula (Rostock U.)
In the framework of the LHC Injectors Upgrade (LIU), beams with about twice the intensity compared to the present values will have to be accelerated by the CERN Super Proton Synchrotron (SPS) and extracted towards the Large Hadron Collider (LHC). Machine studies with intensity higher than the nominal LHC beam have shown that coherent instabilities in both transverse planes may develop at injection energy, potentially becoming a limitation for the future high intensity operation. [...]
2018 - 5 p. - Published in : 10.18429/JACoW-HB2018-WEP2PO011 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.WEP2PO011

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2018-09-26
06:41
SPS Long Term Stability Studies in the Presence of Crab Cavities and High Order Multipoles / Alekou, Androula (CERN ; U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Appleby, Robert (U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Bartosik, Hannes (CERN) ; Calaga, Rama (CERN) ; Carlà, Michele (CERN) ; Papaphilippou, Yannis (CERN)
A local Crab Cavity (CC) scheme will recover the head-on collisions at the IP of the High Luminosity LHC (HL-LHC), which aims to increase the LHC luminosity by a factor of 3-10. The tight space constraints at the CC location result in axially non-symmetric cavity designs that introduce high order multipole CC components. [...]
2018 - 3 p. - Published in : 10.18429/JACoW-HB2018-WEP2PO008 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.WEP2PO008

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2018-09-26
06:41
Multi-Particle Simulations of the Future CERN PSB Injection Process with Updated Linac4 Beam Performance / Forte, Vincenzo (CERN) ; Bracco, Chiara (CERN) ; Di Giovanni, Gian Piero (CERN) ; Fraser, Matthew (CERN) ; Lombardi, Alessandra (CERN) ; Mikulec, Bettina (CERN)
In the framework of the LHC Injectors Upgrade (LIU) project, the injection process in the CERN Proton Synchrotron Booster (PSB) will be renovated after the connection with the Linac4. A new H⁻ charge exchange injection system using a stripping foil is foreseen to increase the brightness of the stored beams and to provide high flexibility in terms of emittance tailoring at 160 MeV. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-HB2018-WEP2PO007 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.WEP2PO007

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2018-09-26
06:41
Overview of the CERN PSB-to-PS Transfer Line Optics Matching Studies in View of the LHC Injectors Upgrade Project / Forte, Vincenzo (CERN) ; Albright, Simon (CERN) ; Bartmann, Wolfgang (CERN) ; Di Giovanni, Gian Piero (CERN) ; Fraser, Matthew (CERN) ; Heßler, Christoph (CERN) ; Huschauer, Alexander (CERN) ; Oeftiger, Adrian (CERN)
At injection into the CERN Proton Synchrotron (PS) a significant horizontal emittance blow-up of the present high brightness beams for the LHC is observed. A partial contribution to this effect is suspected to be an important mismatch between the dispersion function in the transfer line from the PS Booster (PSB) and the ring itself. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-HB2018-WEP2PO006 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.WEP2PO006

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2018-09-26
06:41
Beam Loading and Longitudinal Stability Evaluation for the FCC-ee Rings / Karpov, Ivan (CERN) ; Baudrenghien, Philippe (CERN)
In high-current accelerators, interaction of the beam with the fundamental impedance of the accelerating cavities can limit machine performance. It can result in a significant variation of bunch-by-bunch parameters (bunch length, synchronous phase, etc.) and lead to longitudinal coupled-bunch instability. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-HB2018-WEP2PO003 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.WEP2PO003

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2018-09-26
06:41
Scaling Laws for the Time Dependence of Luminosity in Hadron Circular Accelerators based on Simple Models of Dynamic Aperture Evolution / Van der Veken, Frederik (CERN) ; Giovannozzi, Massimo (CERN)
In recent years, models for the time-evolution of the dynamic aperture have been proposed and applied to the analysis of non-linear betatronic motion in circular accelerators. In this paper, these models are used to derive scaling laws for the luminosity evolution and are applied to the analysis of the data collected during the LHC physics runs. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-HB2018-WEP2PO002 Fulltext: PDF;
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.WEP2PO002

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