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:
2016-05-31
23:03
Measurement of the H$\rightarrow$WW$^*$ Branching Ratio at 1.4TeV using the semileptonic final state at CLIC / Winter, Alasdair (CERN) ; Watson, Nigel (University of Birmingham (GB))
This note summarises a study to evaluate the potential to measure the H$\rightarrow$WW$^*$ branching fraction at CLIC, 1.4TeV centre-of-mass energy, with the CLIC_ILD detector, using the WW$\rightarrow$qql$\nu$ channel. We discuss the approach to reconstructing the final state and the methods used to separate signal events from backgrounds. [...]
CLICdp-Note-2016-003.- Geneva : CERN, 2016 - 10. Fulltext: PDF;

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2016-05-31
16:44
Minimisation of the wire position uncertainties of the new CERN vacuum wire scanner / Herranz Alvarez, Juan
In the next years the luminosity of the LHC will be significantly increased [...]
CERN-THESIS-2016-046 - 182 p.

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2016-05-31
15:24
Electrical Power Budget for FCC-ee / Aull, S. (CERN) ; Benedikt, M. (CERN) ; Bozzini, D. (CERN) ; Brunner, O. (CERN) ; Burnet, J.-P. (CERN) ; Butterworth, A. (CERN) ; Calaga, R. (CERN) ; Jensen, E. (CERN) ; Mertens, V. (CERN) ; Milanese, A. (CERN) et al.
We present a first rough estimate for the electrical power consumption of the FCC-ee lepton collider. This electrical power is dominated by the RF system, which provides the motivation for the ongoing R&D; on highly efficient RF power sources. [...]
CERN-ACC-2016-0065.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014

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2016-05-31
15:11
MERLIN Cleaning Studies with Advanced Collimator Materials for HL-LHC / Valloni, A. (CERN, University of Manchester) ; Rafique, H. (University of Manchester, University of Huddersfield) ; Mereghetti, A. (CERN) ; Molson, J. G. (LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay) ; Appleby, R. (University of Manchester) ; Bruce, R. (CERN) ; Quaranta, E. (CERN) ; Redaelli, S. (CERN)
The challenges of the High-Luminosity upgrade of the Large Hadron Collider require improving the beam collimation system. An intense R&D; program has started at CERN to explore novel materials for new collimator jaws to improve robustness and reduce impedance. [...]
CERN-ACC-2016-0064.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014

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2016-05-31
15:00
Radiation-Induced Effects on LHC Collimator Materials under Extreme Beam Conditions / Quaranta, E. (CERN, POLITO) ; Bertarelli A. (CERN) ; Bunk, K. (GSI, Goethe University Frankfurt) ; Carra, F. (CERN, POLITO) ; Guardia Valenzuela, J. (CERN, Universidad de Zaragoza) ; Hermes, P. D. (CERN, University of Munster) ; Hubert, C. (GSI, TUD) ; Nocera, P. (BNL) ; Porth, C. (POLITO, TUD) ; Redaelli, S. (CERN) et al.
Over the last years, several samples of present and novel LHC collimator materials were irradiated under various beam conditions (using protons, fast neutrons, light and heavy ions at different energies and fluences) in different facilities around the world. This was achieved through an international collaboration including many companies and laboratories over the world. [...]
CERN-ACC-2016-0063.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014

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2016-05-31
14:48
Towards Optimum Material Choices for HL-LHC Collimator Upgrade / E. Quaranta, E. (CERN) ; Bertarelli, A. (CERN) ; Biancacci, N. (CERN) ; Bruce, R. (CERN) ; Carra, F. (POLITO) ; Métral, E. (CERN) ; Redaelli, S. (CERN) ; Rossi, A. (CERN) ; Salvant, B. (CERN)
The first years of operation at the LHC showed that collimator material-related concerns might limit the performance. In addition, the HL-LHC upgrade will bring the accelerator beyond the nominal performance through more intense and brighter proton beams. [...]
CERN-ACC-2016-0062.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016

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2016-05-30
10:41
Overview of arc design options: Deliverable D2.1 / Chance, Antoine
This document describes the collider layouts to be taken into account for further detailed studies. The optimization of the arc cell lattice and the choice made on the dispersion suppressor are explained. [...]
CERN-ACC-2016-0061.- Geneva : CERN, 2016 Fulltext: PDF;

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2016-05-27
06:04
Proceedings, 16th International Workshop on Polarized Sources, Targets, and Polarimetry (PSTP 2015)   - Bochum, Germany, September 14-18, 2015  .-
SISSA, 2015 - Published in : PoS: PSTP2015 (2015) PoS

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2016-05-27
06:04
Proceedings, 16th International Workshop on Neutrino Factories and Future Neutrino Beam Facilities (NUFACT 2014)   - Glasgow, Scotland, UK, 25–30 August 2014  .-
These proceedings present the written contributions from participants of the 16th International Workshop on Neutrino Factories and Future Neutrino Beam Facilities (NUFACT 2014) that was held at the University of Glasgow (Glasgow, Scotland, United Kingdom) from 25-30 August 2014. This edition of the NUFACT annual meetings, which started in 1999, consisted of 24 plenary and 92 parallel talks and various poster sessions, with the participation of 124 delegates. [...]
SISSA, 2015 - Published in : PoS: NUFACT2014 (2015) POS

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2016-05-26
10:32
Experimental investigation of the behaviour of tungsten and molybdenum alloys at high strain-rate and temperature / Scapin, Martina (Turin Polytechnic) ; Fichera, Claudio (Turin Polytechnic) ; Carra, Federico (Turin Polytechnic ; CERN) ; Peroni, Lorenzo (Turin Polytechnic)
The introduction in recent years of new, extremely energetic particle accelerators such as the Large Hadron Collider (LHC) gives impulse to the development and testing of refractory metals and alloys based on molybdenum and tungsten to be used as structural materials. In this perspective, in this work the experimental results of a tests campaign on Inermet® IT180 and pure Molybdenum (sintered by two different producers) are presented. [...]
CERN-ACC-2015-0212.- Geneva : CERN, 2015 - Published in : EPJ Web Conf. 94 (2015) 01021 EDP Sciences Open Access article: PDF; Fulltext: PDF;
In : 11th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading, Lugano, Switzerland, 7 - 11 Sep 2015, pp.01021

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