Round telescopic optics with large telescopic index

This paper highlights the main results from the 2017 LHC MD program which was deployed to commission round ATS optics with high telescopic index, and ultimately to study their properties in terms of long-range beam-beam effect and octupole thresholds for coherent instabilities (MD2269). This has bee...

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Detalles Bibliográficos
Autores principales: Fartoukh, Stephane, Amorim, David, Antipov, Sergey, Bracco, Chiara, Bruce, Roderik, Buffat, Xavier, Carlier, Felix Simon, Coello De Portugal - Martinez Vazquez, Jaime Maria, Fuster Martinez, Nuria, Garcia-Tabares Valdivieso, Ana, Karastathis, Nikos, Maclean, Ewen Hamish, Malina, Lukas, Mereghetti, Alessio, Metral, Elias, Mirarchi, Daniele, Papadopoulou, Parthena Stefania, Papaphilippou, Yannis, Persson, Tobias Hakan Bjorn, Pojer, Mirko, Ponce, Laurette, Poyet, Axel, Redaelli, Stefano, Salvachua Ferrando, Belen Maria, Skowronski, Piotr Krzysztof, Solfaroli Camillocci, Matteo, Sterbini, Guido, Tomas Garcia, Rogelio, Valuch, Daniel, Wegscheider, Andreas, Wenninger, Jorg
Lenguaje:eng
Publicado: 2018
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/2643258
Descripción
Sumario:This paper highlights the main results from the 2017 LHC MD program which was deployed to commission round ATS optics with high telescopic index, and ultimately to study their properties in terms of long-range beam-beam effect and octupole thresholds for coherent instabilities (MD2269). This has been the fruit of a long work all along 2017, but in the end and for the first time, a dedicated LHC MD program (4 shifts in total) opened the possibility to study a non-nominal machine configuration with unsafe beams, and then extract from this study a myriad of very conclusive results for the future operation of the LHC.

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