CERN Accelerating science

All CERN Accelerators documents

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2018-12-15
05:01
Reducing parasitic resonances in particle accelerators components by broadband Higher-Order-Mode couplers / Arpaia, P. (Naples U.) ; Berrig, Olav E. (CERN) ; De Vito, Luca (Sannio U.) ; Gilardi, Antonio (Naples U. ; CERN)
In particle accelerator components, parasitic resonances must be reduced because they heat up the equipment and cause beam instabilities. [...]
arXiv:1811.08154.
- 24 p.
Fulltext

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2018-12-14
15:55
Future Circular Collider (FCC) Conceptual Design Report (CDR) Vol.4, The High-Energy LHC (HE-LHC) / Benedikt, Michael (CERN) ; Capeans Garrido, Mar (CERN) ; Cerutti, Francesco (CERN) ; Goddard, Brennan (CERN) ; Gutleber, Johannes (CERN) ; Jimenez, Jose Miguel (CERN) ; Mangano, Michelangelo (CERN) ; Mertens, Volker (CERN) ; Osborne, John Andrew (CERN) ; Otto, Thomas (CERN) et al.
to be added
Geneva : CERN, 2018 Access to fulltext document: 4.PDF;

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2018-12-14
15:45
Future Circular Collider (FCC) Conceptual Design Report (CDR) Vo.3, The Hadron Collider (FCC-hh) / Benedikt, Michael (CERN) ; Capeans Garrido, Mar (CERN) ; Cerutti, Francesco (CERN) ; Goddard, Brennan (CERN) ; Gutleber, Johannes (CERN) ; Jimenez, Jose Miguel (CERN) ; Mangano, Michelangelo (CERN) ; Mertens, Volker (CERN) ; Osborne, John Andrew (CERN) ; Otto, Thomas (CERN) et al.
to be added
Geneva : CERN, 2018 Access to fulltext document: 3.PDF;

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2018-12-14
15:33
Future Circular Collider (FCC) Conceptual Design Report (CDR) Volume 2, The Lepton Collider (FCC-ee) / Benedikt, Michael (CERN) ; Blondel, Alain (Universite de Geneve (CH)) ; Brunner, Olivier (CERN) ; Capeans Garrido, Mar (CERN) ; Cerutti, Francesco (CERN) ; Gutleber, Johannes (CERN) ; Janot, Patrick (CERN) ; Jimenez, Jose Miguel (CERN) ; Mertens, Volker (CERN) ; Milanese, Attilio (CERN) et al.
to be added
Geneva : CERN, 2018 Access to fulltext document: 2.PDF;

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2018-12-14
15:16
Future Circular Collider (FCC) Conceptual Design Report (CDR), Vol.1: Physics Opportunities / Mangano, Michelangelo (CERN) ; Azzi, Patrizia (Universita e INFN, Padova (IT)) ; Benedikt, Michael (CERN) ; Blondel, Alain (Universite de Geneve (CH)) ; Britzger, Daniel Andreas (Max-Planck-Institut fur Physik (DE)) ; Dainese, Andrea (Universita e INFN, Padova (IT)) ; Dam, Mogens (University of Copenhagen (DK)) ; de Blas, Jorge (INFN) ; Enterria, David (CERN) ; Fischer, Oliver (Karlsuhe Institute of Technology) et al.
This volume of the Conceptual Design Report is dedicated to an overview of the FCC physics potential. It focuses on the most significant targets of the potential FCC research programme but, for the sake of space, not covering a large body of science that will nevertheless be accessible (and which is documented in various other reports, listed in the Appendix) [...]
CERN-ACC-2018-0056.- Geneva : CERN, 2018 Fulltext: PDF;

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2018-12-13
12:20
Tuning of the CLIC 380 GeV Final-Focus System with Static Imperfections / Ogren, Jim Alexander (CERN) ; Latina, Andrea (CERN) ; Tomas Garcia, Rogelio (CERN) ; Schulte, Daniel (CERN)
The final-focus system demagnifies the beams down to nanometer sizes in order to achieve the nominal luminosity. [...]
CERN-ACC-2018-0055 ; CLIC-Note-1141.
- 2018. - 17 p.
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2018-12-12
15:07
The CERN FCC Conductor Development Program: A Worldwide Effort for the Future Generation of High Field Magnets / Ballarino, Amalia (CERN) ; Hopkins, Simon (CERN) ; Bordini, Bernardo (CERN) ; Richter, David (CERN) ; Tommasini, Davide (CERN) ; Bottura, Luca (CERN) ; Benedikt, Michael (CERN) ; Sugano, Michinaka ; Ogitsu, Toru ; Kawashima, Shinya (Kobe Steel) et al.
The study of next generation high energy accelerators based on 16T dipoles has emphasized the need for higher performance, cost-effective Nb3Sn superconducting wires. A Conductor Development Program aiming to reach a non-copper critical current density (Jc) of 1500A/mm2 at 16T and 4.2K has been launched by CERN, with the involvement of industry and laboratories worldwide. [...]
Geneva : CERN, 2018 - Published in : (2019) Access to fulltext document: PDF;
In : Applied Superconductivity Conference 2018, Seattle, United States Of America, 28 Oct - 2 Nov 2018

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2018-12-12
09:40
Commissioning of the Operational Laser Emittance Monitors for LINAC4 at CERN / Hofmann, Thomas (Royal Holloway, U. of London) ; Boorman, Gary (Royal Holloway, U. of London) ; Bosco, Alessio (Royal Holloway, U. of London) ; Gibson, Stephen (Royal Holloway, U. of London) ; Roncarolo, Federico (CERN)
A laser-based emittance monitor has been developed to non-invasively measure the transverse emittance of the LINAC4 H⁻ beam at its top energy of 160MeV. After testing several sub-systems of the instrument during linac commissioning at intermediate energies, two instruments are now permanently installed. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPAL074 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAL074

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2018-12-12
09:40
Enhanced Bunch Monitoring by Interferometric Electro-Optic Methods / Gibson, Stephen (Royal Holloway, U. of London ; JAI, UK) ; Arteche, Alberto (Royal Holloway, U. of London) ; Bashforth, Sophie (JAI, UK) ; Bosco, Alessio (Royal Holloway, U. of London ; JAI, UK) ; Krupa, Michal (CERN) ; Lefèvre, Thibaut (CERN)
A prototype Electro-Optic Beam Position Monitor has been installed for tests* in the CERN SPS to develop the concept for high-bandwidth (6-12GHz) monitoring of crabbed-bunch rotation and intra-bunch instabilities at the High Luminosity LHC**. The technique relies on the ultrafast response of birefringent MgO:LiNO3 crystals to optically measure the intra-bunch transverse displacement of a passing relativistic bunch. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPAL073 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAL073

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2018-12-12
09:39
The AWAKE Electron Spectrometer / Keeble, Fearghus (University Coll. London) ; Cascella, Michele (University Coll. London) ; Chappell, James (University Coll. London) ; Deacon, Lawrence (University Coll. London) ; Gorgisyan, Ishkhan (CERN) ; Jolly, Simon (University Coll. London) ; Mazzoni, Stefano (CERN) ; Penna, Paolo (European Southern Observ.) ; Quattri, Marco (European Southern Observ.) ; Wing, Matthew (University Coll. London)
The AWAKE experiment at CERN aims to use a proton driven plasma wakefield to accelerate electrons from 10–20 MeV up to GeV energies in a 10 m plasma cell. We present the design of the magnetic spectrometer which will measure the electron energy distribution. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPML118 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPML118

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