CERN Accelerating science

Projects, Upgrade and Consolidation Projects

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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.
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2014-07-09
14:37
The new transfer line collimation system for the LHC high luminosity era / Kain, V (CERN) ; Bracco, C (CERN) ; Goddard, B (CERN) ; Maciariello, F (CERN) ; Meddahi, M (CERN) ; Mereghetti, A (CERN) ; Steele, G (CERN) ; Velotti, F (CERN) ; Gianfelice-Wendt, E (Fermilab)
A set of passive absorbers is located at the end of each of the 3 km long injection lines to protect the LHC in case of failures during the extraction process from the LHC’s last pre-injector or in the beam transfer itself. [...]
CERN-ACC-2014-0079.
- 2014. - 4 p.
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2014-06-24
09:32
Energy deposition profile for modification proposal of ISOLDE’s HRS Beam Dump, from FLUKA simulations / Vlachoudis, V ; Morejon Hernandez, L
The current ISOLDE HRS beam dump has been found to be unsuitable on previous simulations, due to thermomechanical stresses. [...]
CERN-ACC-NOTE-2014-0040.
- 2014. - 10 p.
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2014-06-24
09:29
Energy deposition profile on ISOLDE Beam Dumps by FLUKA simulations / Vlachoudis, V ; Morejon Hernandez, L
In this report an estimation of the energy deposited on the current ISOLDE beam dumps obtained by means of FLUKA simulation code is presented. [...]
CERN-ACC-NOTE-2014-0039.
- 2014. - 10 p.
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2014-06-11
15:06
Collimation quench test with 4 TeV proton beams / Salvachua, B ; Bruce, R ; Cauchi, M ; Deboy, D ; Hofle, W ; Holzer, EB ; Jacquet, D ; Lari, L ; Nebot, E ; Mirarchi, D et al.
In 2013, at the end of the LHC physics run I, several quench tests took place with the aim to measure the quench limit of the LHC superconducting magnets. [...]
CERN-ACC-NOTE-2014-0036.
- 2014. - 16 p.
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2014-06-03
08:49
Magnetic Interference Estimation on HIE-ISOLDE’s Beam Transfer Lines Diagnostic Box Stepper Motors’ Operation / Farantatos, P
The aim of the HIE-ISOLDE project is to expand the physics programme compared to that of REX-ISOLDE. [...]
CERN-ACC-NOTE-2014-0035.
- 2014. - 20 p.
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2014-06-03
08:45
The Impact of Defects on Q0 for HIE-ISOLDE High-Beta Quarter-Wave Resonators / Zhang, P ; D'Elia, A ; Venturini Delsolari, W
Superconducting quarter-wave resonators (QWRs) will be used in the SC linac for the HIE-ISOLDE project at CERN. [...]
CERN-ACC-NOTE-2014-0034.
- 2014. - 17 p.
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2014-04-29
09:21
Studies and implementation of the PS dummy septum to mitigate irradiation of magnetic septum in straight section 16 / Bertone, C ; Borburgh, J ; Bodart, D ; Brown, R ; Burger, S ; Damjanovic, S ; Demarest, P ; Fernandez Ortega, R ; Ferreira Somoza, JA ; Gerard, D et al.
During the commissioning phase of the PS Multi-Turn Extraction (MTE) and the following operational period a number of limitations were observed, namely activation of the magnetic septum in straight section 16, fluctuation of the fraction of particles trapped in the islands, and instabilities of the injection trajectories in the SPS. [...]
CERN-ACC-2014-0043.
- 2014. - 74 p.

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2014-04-29
09:06
Analysis of adiabatic trapping for quasi-integrable area-preserving maps / Bazzani, A ; Frye, C ; Giovannozzi, M ; Hernalsteens, C
Trapping phenomena involving non-linear resonances have been considered in the past in the framework of adiabatic theory. [...]
CERN-ACC-2014-0042.
- 2014. - 22 p.

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2014-04-15
14:38
2013 MPP Workshop   11 - 13 Mar 2013  - Annecy, France  / Jonker, Michael (ed.) (CERN)
This report contains the proceedings of the MPP Workshop on LHC Machine Protection, held in Annecy from 11th to 13th March 2013. This MPP Workshop on LHC Machine Protection focusses on the upgrade work in LHC during the Long Shutdown 1 (LS1) for mid-and longer-term improvements of the LHC MP systems.
The principle aims of the workshop are to discuss mid-and longer-term improvements of the MP systems

Geneva : CERN, 2014 - 151 p. CERN-ACC-2014-0041 Conference home page - Fulltext

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