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Improvement of LHC dynamic aperture via octupole spool pieces for the nominal tunes

The dynamic aperture of the LHC optics version 5 at injection energy has been calculated for an opti-mistic error table, the so called target error table, in which erect and/or skew octupolar components were increased up to values close to realistic estimates. Correction strategies, using octupole s...

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Detalles Bibliográficos
Autores principales: Jin, L, Papaphilippou, Y, Schmidt, F
Lenguaje:eng
Publicado: 1998
Materias:
Acceso en línea:http://cds.cern.ch/record/370791
Descripción
Sumario:The dynamic aperture of the LHC optics version 5 at injection energy has been calculated for an opti-mistic error table, the so called target error table, in which erect and/or skew octupolar components were increased up to values close to realistic estimates. Correction strategies, using octupole spool pieces or the lattice octupoles, have been tested so as to recover, as much as possible, the loss in dynamic aperture.