CERN Accelerating science

SPS and CNGS

Latest additions:
2014-12-15
16:22
LHC Injectors Upgrade Technical Design Report / Coupard, J ; Damerau, H ; Funken, A ; Garoby, R ; Gilardoni, S ; Goddard, B ; Hanke, K ; Lombardi, A ; Manglunki, D ; Meddahi, M et al.
n/a
CERN-ACC-2014-0337.
- 2014. - 616 p.

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2014-12-15
15:20
Solar Neutrinos / Bellini, G. (Milan U. ; INFN, Milan) ; Ianni, A. ; Ranucci, G. (Milan U. ; INFN, Milan)
Solar neutrino investigation has represented one of the most active field of particle physics over the past decade, accumulating important and sometimes unexpected achievements. After reviewing some of the most recent impressive successes, the future perspectives of this exciting area of neutrino research will be discussed..
Geneva : CERN, 2010 - 13.
In : European Strategy for Future Neutrino Physics Workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2009, pp.21-32

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2014-12-10
15:27
Study of a 5T Research Dipole Insert-Magnet using an Anisotropic ReBCO Roebel Cable / Van Nugteren, J (CERN) ; Kirby, G.A (CERN) ; De Rijk, G (CERN) ; Rossi, L (CERN) ; Ten Kate, H.H.J (CERN) ; Dhallé, M.M.J (Twente)
A design study is presented for the coil layout of the EuCARD-2 Fiver Tesla HTS Research (FeaTHeR) magnet. The angular dependence of the critical current in the used ReBCO Roebel cable is taken into account. [...]
CERN-ACC-2014-0329.- Geneva : CERN, 2014 Fulltext: tasc-vannugteren-2361797-proof - PDF; CERN-ACC-2014-0329 - PDF;
In : Applied Superconductivity Conference 2014, Charlotte, NC, USA, 10 - 15 Aug 2014

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2014-12-10
10:18
Space Charge Compensation in the Linac4 Low Energy Beam Transport Line with Negative Hydrogen Ions / Valerio-Lizarraga, C ; Lallement, J B ; Leon-Monzon, I ; Lettry, J ; Midttun, O ; Scrivens, R
The space charge effect of low energy, unbunched ion beams can be compensated by the trapping of ions or electrons into the beam potential. [...]
CERN-ACC-2014-0328.
- 2013. - 3 p.
Full text

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2014-12-10
10:04
Linac4 Low Energy Beam Measurements with Negative Hydrogen / Scrivens, R ; Bellodi, G ; Crettiez, O ; Dimov, V ; Gerard, D ; Granemann Souza, E ; Guida, R ; Hansen, J ; Lallement, J B ; Lettry, J et al.
Linac4, a 160 MeV normal-conducting H- linear accelerator, is the first step in the upgrade of the beam intensity available from the LHC proton injectors at CERN. [...]
CERN-ACC-2014-0327.
- 2013. - 3 p.

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2014-12-09
14:05
Emittance preservation in the LHC / Kain, V (CERN) ; Arduini, G (CERN) ; Goddard, B (CERN) ; Holzer, B J (CERN) ; Jowett, J M (CERN) ; Meddahi, M (CERN) ; Mertens, T (CERN) ; Roncarolo, F (CERN) ; Schaumann, M (CERN) ; Versteegen, R (CERN) et al.
Emittance measurements during the LHC proton run 2011 indicated a blow - up of 20 % to 30 % from LHC injection to collisions. At the LHC design stage the total allowed emittance increase from SPS extraction to colliding beams was set to 7 %. [...]
2012 Fulltext: PDF;
In : 3rd Evian Workshop on LHC beam operation, Evian-les-bains, France, 12 - 14 Dec 2011, pp.85-92

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2014-12-09
13:51
Transfer lines - stability and optimization / Drosdal, L (CERN) ; Kain, V (CERN) ; Bartmann, W (CERN) ; Bracco, C (CERN) ; Goddard, B (CERN) ; Le Godec, G (CERN) ; Meddahi, M (CERN) ; Wenninger, J (CERN)
During the LHC proton run 2011 large drifts, shot-by- shot and even bunch-by-bunch trajectory variations were observed with the consequence of high losses at injection and frequent lengthy trajectory correction campaigns. The different effects will be quantified and an estimate for downtime caused by them in 2011 will be given. [...]
2012 Fulltext: PDF;
In : 3rd Evian Workshop on LHC beam operation, Evian-les-bains, France, 12 - 14 Dec 2011, pp.61-65

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2014-12-09
13:51
R2E–experience and outlook for 2012 / Brugger, M (CERN) ; Calviani, M (CERN) ; Mekki, J (CERN) ; Spiezia, G (CERN)
2011 very successful LHC operation has provided valuable input for the detailed analysis of radiation levels and radiation induced equipment failures. Radiation levels around LHC critical areas and the LHC tunnel were studied in detail and compared to available simulation results, as well as put in perspective to LHC operation parameters. [...]
2012 Fulltext: PDF;
In : 3rd Evian Workshop on LHC beam operation, Evian-les-bains, France, 12 - 14 Dec 2011, pp.55-60

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2014-12-09
13:51
QPS - analysis of main problems, areas to target, possible improvements / Denz, R (CERN) /on behalf of the QPS team
The fault statistics of the LHC Quench Protection System QPS for the LHC run 2011 will be presented and the various fault types explained. Starting with teething and EMC related problems, the tune feedback compatibility, hardware faults of the quench heater power supplies and spurious openings of electrical circuit breakers will be described in more details. [...]
2012 Fulltext: PDF;
In : 3rd Evian Workshop on LHC beam operation, Evian-les-bains, France, 12 - 14 Dec 2011, pp.47-50

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2014-12-04
15:35
Longitudinal emittance reduction in LEIR of ion beams for LHC / Angoletta, M E ; Bodendorfer, M A ; Findlay, A ; Hancock, S ; Manglunki, D
For the 2013 LHC ion run the anticipated request for batches from the PS Complex comprising four ion bunches spaced by 100 ns was changed to batches of two bunches spaced by 200 ns. [...]
CERN-ACC-NOTE-2014-0103.
- 2014. - 23 p.
Full text

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