CERN Accelerating science

Projects, Upgrade and Consolidation Projects

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2014-10-24
11:43
Test and Simulation Results for Quenches Induced by Fast Losses on a LHC Quadrupole / Bracco, Ch (CERN, Switzerland) ; Auchmann, B (CERN, Switzerland) ; Bartmann, W (CERN, Switzerland) ; Bednarek, M (CERN, Switzerland) ; Lechner, A (CERN, Switzerland) ; Sapinski, M (CERN, Switzerland) ; Vittal Shetty, N (CERN, Switzerland) ; Schmidt, R (CERN, Switzerland) ; Solfaroli Camillocci, M (CERN, Switzerland) ; Verweij, A (CERN, Switzerland)
A test program for beam induced quenches was started in the LHC in 2011 in order to reduce as much as possible BLM-triggered beam dumps, without jeopardising the safety of the superconducting magnets. A first measurement was performed to asses the quench level of a quadrupole located in the LHC injection region in case of fast (ns) losses. [...]
CERN-ACC-2014-0232.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-22
20:02
Future Hadron Colliders from physics perspectives to technology R&D / Barletta, W (MIT, UCLA) ; Battaglia, M (CERN, LBL, SCIPP) ; Klute, M (MIT) ; Mangano, M (CERN) ; Prestemon, S (LBL) ; Rossi, L (CERN) ; Skands, P (CERN)
High energy hadron colliders have been instrumental to discoveries in particle physics at the energy frontier and their role as discovery machines will remain unchallenged for the foreseeable future. The full exploitation of the LHC is now the highest priority of the energy frontier collider program. [...]
CERN-ACC-2014-0230.- Geneva : CERN, 2014 - 17 p. - Published in : Nucl. Instrum. Methods Phys. Res. A: 764 (2014) , pp. 352-368 Fulltext: PDF;

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2014-10-21
12:10
The Large Hadron Collider of CERN and the roadmap toward higher performance / Rossi, L (CERN)
The Large Hadron Collider is exploring the new frontier of particle physics. It is the largest and most ambitious scientific instrument ever built and 100 years after the Rutherford experiment it continues that tradition of “smashing atoms” to unveil the secret of the infinitely small. [...]
CERN-ACC-2014-0225.- Geneva : CERN, 2012 - 14 p. Fulltext: PDF;
In : Subnuclear Physics: Past, Present and Future, Vatican City, Vatican City State, 30 Oct - 2 Nov 2011, pp.528-541

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2014-10-21
11:04
LS1 “First Long Shutdown of LHC and its Injector Chains” / Foraz, K ; Baird, S ; Barberan, M ; Bernardini, M ; Coupard, J ; Gilbert, N ; Hay, D ; Mataguez, S ; McFarlane, D
The LHC and its Injectors were stopped in February 2013, in order to maintain, consolidate and upgrade the different equipment of the accelerator chain, with the goal of achieving LHC operation at the design energy of 14 TeV in the centre-of-mass. [...]
CERN-ACC-POSTER-2014-0001.
- 2014. - 1 p.
Full text

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2014-10-21
10:54
Optimisation and Implementation of the R2E Shielding and Relocation Mitigation Measures at the LHC during LS1 / Perrot, A L ; Andujar, O ; Barberan Marin, M ; Brugger, M ; Corso, J P ; Foraz, K ; Jeckel, M ; Lazzaroni, M ; Lefort, B ; Mikulec, B et al.
In the framework of the Radiation to Electronics (R2E) project, important mitigation actions are being implemented in the LHC during the first Long Shutdown (LS1) to reduce the Single Event Error (SEE) occurrence in standard electronics present in much of the equipment installed in the LHC underground areas. [...]
CERN-ACC-2014-0224.
- 2014. - 4 p.
Full text

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2014-10-21
10:33
LS1 “First Long Shutdown of LHC and its Injector Chains” / Foraz, K ; Baird, S ; Barberan, M ; Bernardini, M ; Coupard, J ; Gilbert, N ; Hay, D ; Mataguez, S ; McFarlane, D
The LHC and its Injectors were stopped in February 2013, in order to maintain, consolidate and upgrade the different equipment of the accelerator chain, with the goal of achieving LHC operation at the design energy of 14 TeV in the centre-of-mass. [...]
CERN-ACC-2014-0223.
- 2014. - 4 p.

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2014-09-18
15:47
Scans of the Physics Debris Absorbers (TCL) at the 4TeV LHC / Marsili, A ; Bruce, R ; Quaranta, E ; Redaelli, S ; Salvachua, B ; Valentino, G
At the Large Hadron Collider (LHC), dedicated physics debris collimators (TCL) protect the machine from the collision products at the high-luminosity experiments. [...]
CERN-ACC-NOTE-2014-0064.
- 2014. - 24 p.
Full text

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2014-09-05
16:40
Status of the ELENA Magnet System / Schoerling, D
ELENA, the Extra Low ENergy Antiproton ring, will be a CERN facility with the purpose to deliver antiprotons at lowest energies aiming to enhance the study of antimat-ter. [...]
CERN-ACC-2014-0195.
- 2014. - 3 p.

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2014-09-05
16:33
Design of the Beam Transfer Line Magnets for HIE-ISOLDe / Bauche, J (CERN) ; Aloev, A (CERN)
This paper describes the design of the beam transfer line magnets of the HIE-ISOLDE facility. [...]
CERN-ACC-2014-0194.
- 2014. - 3 p.
Full text

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2014-08-22
08:24
Study on off-momentum tail scraping in the LHC / Mirarchi, D ; Redaelli, S ; Bruce, R
A study on o-momentum tail population in the LHC was performed through collimator scraping at high dispersion region. [...]
CERN-ACC-NOTE-2014-0061.
- 2014. - 13 p.
Full text

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