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CERN Document Server 找到 14 笔记录  1 - 10下一个  跳到记录: 检索需时 1.10 秒. 
1.
Quantitative Outgassing studies in DC Electrical breakdown / Levinsen, Yngve Inntjore (Oslo U. ; CERN) ; Descoeudres, A (CERN) ; Calatroni, Sergio (CERN) ; Taborelli, Mauro (CERN) ; Wünsch, Walter (CERN)
Breakdown in the accelerating structures sets an important limit to the performance of the CLIC linear collider. Vacuum degradation and subsequent beam instability are possible outcomes of a breakdown if too much gas is released from the cavity surface. [...]
CERN-OPEN-2013-035; CLIC-Note-797.- Geneva : CERN, 2010 - 4 p. Published version from PAC'09: PDF;
In : Particle Accelerator Conference 2009, Vancouver, Canada, 04 - 08 May 2009, pp.TU5PFP013
2.
A One-Dimensional Particle-in-Cell Model of Plasma Build-Up in Vacuum Arcs / Timko, H (Helsinki U. ; Helsinki Inst. of Phys. ; CERN) ; Djurabekova, F (Helsinki U. ; Helsinki Inst. of Phys.) ; Kovermann, J (CERN) ; Taborelli, M (CERN) ; Nordlund, K (Helsinki U. ; Helsinki Inst. of Phys.) ; Descoeudres, A (CERN) ; Schneider, R (Greifswald, Max Planck Inst.) ; Calatroni, S (CERN) ; Matyash, K (Greifswald, Max Planck Inst.) ; Wuensch, W (CERN) et al.
Understanding the mechanism of plasma build-up in vacuum arcs is essential in many fields of physics. A one-dimensional particle-in-cell computer simulation model is presented, which models the plasma developing from a field emitter tip under electrical breakdown conditions, taking into account the relevant physical phenomena [...]
2011 - Published in : Contrib. Plasma Phys. 51 (2011) 5-21
3.
DC breakdown experiments with cobalt electrodes / Descoeudres, Antoine (CERN) ; Djurabekova, Flyura (Helsinki Inst. of Phys. ) ; Nordlund, Kai (Helsinki Inst. of Phys. )
RF accelerating structures of the Compact Linear Collider (CLIC) require a material capable of sustaining high electric field with a low breakdown rate and low induced damage [...]
CERN-OPEN-2011-029 ; CLIC-Note-875.
- 2009 - 6.
Preprint
4.
Breakdown Studies for the CLIC Accelerating   / Calatroni, S (CERN) ; Descoeudres, A (CERN) ; Kovermann, J (CERN) ; Taborelli, M (CERN) ; Timko, H (Helsinki Inst. of Phys.) ; Wuensch, W (CERN) ; Durabekova, F (Helsinki Inst. of Phys.) ; Nordlund, K (Helsinki Inst. of Phys.) ; Pohjonen, A (Helsinki Inst. of Phys.) ; Kuronen, A (Helsinki Inst. of Phys.)
WP: 9: Technology for normal conducting higher energy linear accelerators
Task: 9.2: NC High Gradient Cavities

Optimizing the design and the manufacturing of the CLIC RF accelerating structures for achieving the target value of breakdown rate at the nominal accelerating gradient of 100 MV/m requires a detailed understanding of all the steps involved in the mechanism of breakdown [...]
EuCARD-CON-2011-005.
- 2010. - 3 p.
Access to fulltext document - Full text - Published version from LINAC10
5.
Mechanism of surface modification in the plasma-surface interaction in electrical arcs   / Timko, H (CERN ; Helsinki U. ; Helsinki Inst. of Phys.) ; Djurabekova, F (Helsinki Inst. of Phys. ; Helsinki U.) ; Nordlund, K (Helsinki Inst. of Phys. ; Helsinki U.) ; Costelle, L (Helsinki U.) ; Matyash, K (Greifswald, Max Planck Inst.) ; Schneider, R (Greifswald, Max Planck Inst.) ; Toerklep, A (CERN) ; Arnau-Izquierdo, G (CERN) ; Descoeudres, A (CERN) ; Calatroni, S (CERN) et al.
WP: 9: Technology for normal conducting higher energy linear accelerators
Task: 9.2: NC High Gradient Cavities

Electrical sparks and arcs are plasma discharges that carry large currents and can strongly modify surfaces. [...]
EuCARD-PUB-2010-010 ; CERN-OPEN-2011-002 ; CLIC-Note-821.
- 2010 - 9.
Full text - Access to fulltext document - APS Published version, local copy
6.
Investigation of the DC vacuum breakdown mechanism / Descoeudres, A (CERN) ; Levinsen, Y (CERN) ; Calatroni, S (CERN) ; Taborelli, M (CERN) ; Wuensch, W (CERN)
Breakdowns occurring in rf accelerating structures will limit the ultimate performance of future linear colliders such as the Compact Linear Collider (CLIC). Because of the similarity of many aspects of dc and rf breakdown, a dc breakdown study is underway at CERN to better understand the vacuum breakdown mechanism in a simple setup. [...]
CERN-OPEN-2010-009; CLIC-Note-810.- Geneva : CERN, 2009 - 12 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 12 (2009) 092001 APS Published version, local copy: PDF; Preprint: PDF;
7.
DC Breakdown Experiments / Calatroni, S (CERN) ; Descoeudres, A (CERN) ; Levinsen, Y (CERN) ; Taborelli, M (CERN) ; Wuensch, W (CERN)
In the context of the CLIC (Compact Linear Collider) project investigations of DC breakdown in ultra high vacuum are carried out in parallel with high power RF tests [...]
CERN-OPEN-2010-005 ; CLIC-Note-781.
- 2009 - 6.
Preprint
8.
dc breakdown conditioning and breakdown rate of metals and metallic alloys under ultrahigh vacuum / Descoeudres, A (CERN) ; Ramsvik, T (CERN) ; Calatroni, S (CERN) ; Taborelli, M (CERN) ; Wuensch, W (CERN)
RF accelerating structures of the Compact Linear Collider (CLIC) require a material capable of sustaining high electric field with a low breakdown rate and low induced damage. Because of the similarity of many aspects of DC and RF breakdown, a DC breakdown study is underway at CERN in order to test candidate materials and surface preparations, and have a better understanding of the breakdown mechanism under ultra-high vacuum in a simple setup. [...]
CERN-OPEN-2010-004; CLIC-Note-780.- Geneva : CERN, 2009 - 12 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 12 (2009) 032001 APS Published version, local copy: PDF; Preprint: PDF;
9.
DC Breakdown Experiments / Calatroni, S ; Descoeudres, A ; Levinsen, Y ; Taborelli, M ; Wuensch, W
2009 - 6 p. - Published in : AIP Conf. Proc. 1086 (2009) 359-364
In : 13th Advanced Accelerator Concepts Workshop, Santa Cruz, CA, USA, 27 Jul – 2 Aug 2008, pp.359-364
10.
DC Breakdown experiments for CLIC / Descoeudres, A (CERN) ; Calatroni, S (CERN) ; Taborelli, M (CERN)
For the production of the Compact Linear Collider (CLIC) RF accelerating structures, a material capable of sustaining high electric field, with a low breakdown rate and showing low damages after breakdowns is needed. A DC breakdown study is underway at CERN in order to test candidate materials and surface preparations. [...]
CERN-TS-2008-006.- Geneva : CERN, 2008 - 5 p. Fulltext: PDF; External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.MOPP012

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