CERN Accelerating science

CERN Document Server Sök i 66 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.63 sekunder. 
1.
Design optimization and impedance sources in Low Emittance Rings (LERs) / Nagaoka, R (SOLEIL, Saint-Aubin)
There is a clear trend today that future ultra-low emittance rings adopt vacuum chambers with a significantly reduced radius of aperture. A big effort would be needed to keep the machine impedance on the same level as before..
2020 - 5 p. - Published in : 10.23732/CYRCP-2020-009.162 Fulltext: PDF;
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.162 (CERN-2020-009)
2.
Effect of Head-Tail Mode Diffusion due to Synchrotron Radiation on Transverse Coupled-Bunch Instabilities with Harmonic-Cavity-Lengthened Bunches / Cullinan, F J (Lund U., MAX-lab ; www.maxiv.lu.se) ; Tavares, P F (Lund U., MAX-lab) ; Nagaoka, R (SOLEIL, Saint-Aubin) ; Skripka, G (CERN)
Many present and future storage-ring-based light sources make use of cavities at a harmonic of the main RF to lengthen the electron bunches. This reduces Touschek and intrabeam scattering to improve the beam lifetime and transverse emittances respectively. [...]
WSP, 2019 - 8 p. - Published in : 10.1142/9789813279612_0009
In : Nonlinear Dynamics and Collective Effects in Particle Beam Physics, Arcidosso, Italy, 19 - 22 Sep 2017, pp.115-122
3.
Building the impedance model of a real machine / Salvant, Benoit (CERN) ; Amorim, David (CERN ; Grenoble, INP) ; Antipov, Sergey (CERN) ; Arsenyev, Sergey (CERN) ; Beck, Mario (CERN) ; Biancacci, Nicolo (CERN) ; Brüning, Oliver (CERN) ; Campelo, Jose Enrique (CERN) ; Carideo, Emanuela (CERN) ; Caspers, Fritz (CERN) et al.
A reliable impedance model of a particle accelerator can be built by combining the beam coupling impedances of all the components. This is a necessary step to be able to evaluate the machine performance limitations, identify the main contributors in case an impedance reduction is required, and study the interaction with other mechanisms such as optics nonlinearities, transverse damper, noise, space charge, electron cloud, beam-beam (in a collider). [...]
CERN-ACC-2019-098.- 2019 - 6 p. - Published in : 10.18429/JACoW-IPAC2019-WEYPLS1 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEYPLS1
4.
Pragmatic Method of Deducing a Wake Function for a General 3D Structure / Skripka, Galina (CERN) ; Nagaoka, Ryutaro (SOLEIL, Saint-Aubin)
A key quantity in simulating collective beam instabilities is the wake potential of a bunch of particles whose charge distribution is continuously evolving in time. However, obtaining such wake potential is only possible if a wake excited by a single particle in the surrounding environment is known. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAK103 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAK103
5.
Operation Status and Performances Upgrade on SOLEIL Storage Ring / Filhol, J M (SOLEIL, Saint-Aubin) ; Besson, J C (SOLEIL, Saint-Aubin) ; Bouvet, F (SOLEIL, Saint-Aubin) ; Brunelle, P (SOLEIL, Saint-Aubin) ; Cassinari, L (SOLEIL, Saint-Aubin) ; Couprie, M E (SOLEIL, Saint-Aubin) ; Denard, J C (SOLEIL, Saint-Aubin) ; Herbeaux, C (SOLEIL, Saint-Aubin) ; Lamarre, J F (SOLEIL, Saint-Aubin) ; Lavieville, J P (SOLEIL, Saint-Aubin) et al.
2008 - 3 p. External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.WEPC016
6.
The Manufacturing and Tests of The New Vertical Feedback Stripline at Soleil / Mariette, C (SOLEIL, Saint-Aubin) ; Denard, J C (SOLEIL, Saint-Aubin) ; Nagaoka, R (SOLEIL, Saint-Aubin)
2008 - 3 p. External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.THPC124
7.
Impedance Computation and Measurement in Modern Storage Rings / Nagaoka, R (SOLEIL, Saint-Aubin)
2008 - 5 p. External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.FRXBGM01
8.
Higher Order Sextupole Resonances In Low-emittance Light source Storage rings / Nagaoka, R ; Yoshida, K ; Hara, M (JAERI, Tokai)
1990 - Published in : Part. Accel.: 33 (1990) , pp. 57-62 Published version: PDF;
In : 14th International Conference on High-Energy Accelerators, pt.1-5, Tsukuba, Japan, 22 - 26 Aug 1989, pp.1747
9.
Optimisation of the Coating Thickness on the Ceramic Chambers of the SOLEIL Storage Ring / Lebasque, Pierre (SOLEIL, Gif-sur-Yvette) ; Cassinari, Lodovico (SOLEIL, Gif-sur-Yvette) ; Daguerre, Jean-Pierre (SOLEIL, Gif-sur-Yvette) ; Herbeaux, Christian (SOLEIL, Gif-sur-Yvette) ; Level, Marie-Paule (SOLEIL, Gif-sur-Yvette) ; Mariette, Christophe (SOLEIL, Gif-sur-Yvette) ; Nagaoka, Ryutaro (SOLEIL, Gif-sur-Yvette)
2006 - 3 p. External link: Published version from JACoW
In : 10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.3514
10.
First Results of the Commissioning of SOLEIL Storage Rings / Nadji, Amor (SOLEIL, Gif-sur-Yvette) ; Besson, Jean Claude (SOLEIL, Gif-sur-Yvette) ; Betinelli, Pascale (SOLEIL, Gif-sur-Yvette) ; Brunelle, Pascale (SOLEIL, Gif-sur-Yvette) ; Buteau, Alain (SOLEIL, Gif-sur-Yvette) ; Cassinari, Lodovico (SOLEIL, Gif-sur-Yvette) ; Couprie, Marie-Emmanuelle (SOLEIL, Gif-sur-Yvette) ; Denard, Jean-Claude (SOLEIL, Gif-sur-Yvette) ; Filhol, Jean-Marc (SOLEIL, Gif-sur-Yvette) ; Gros, Pascal (SOLEIL, Gif-sur-Yvette) et al.
2006 - 3 p. External link: Published version from JACoW
In : 10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.3284

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