Performance Limitations in the LHC due to Parasitic Beam-beam Encounters- Parameter Dependence, Scaling, and PACMAN Effects

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We studied possible limitations due to the long-range beam-beam effects in the LHC. With a large number of bunches and collisions in all interaction points, we have reduced the crossing angles (separation) to enhance longrange beam-beam effects to evaluate their influence on dynamic aperture and los...

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Detalles Bibliográficos
Autores principales: Giachino, R, Herr, W, Metral, E, Papotti, G, Pieloni, T, Trad, G, Buffat, X, Kaltchev, D
Lenguaje:eng
Publicado: 2013
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1591616
Descripción
Sumario:We studied possible limitations due to the long-range beam-beam effects in the LHC. With a large number of bunches and collisions in all interaction points, we have reduced the crossing angles (separation) to enhance longrange beam-beam effects to evaluate their influence on dynamic aperture and losses. Different β*, number of bunches and intensities have been used in several dedicated experiments and allow the test of the expected scaling laws.

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