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The FCC-ee Interaction Region Magnet Design

The design of the region close to the interaction point of the FCC-ee experiments is especially challenging. The beams collide at an angle (+-15 mrad) in the high-field region of the detector solenoid. Moreover, the very low vertical beta_y* of the machine necessitates that the final focusing quadru...

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Detalles Bibliográficos
Autores principales: Koratzinos, Michael, Benedikt, Michael, Blondel, Alain, Bogomyagkov, Anton, Holzer, Bernhard, Oide, Katsunobu, Sinyatkin, Sergey, Zimmermann, Frank, van Nugteren, Jeroen
Lenguaje:eng
Publicado: 2016
Materias:
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2016-THPOR023
http://cds.cern.ch/record/2200632
Descripción
Sumario:The design of the region close to the interaction point of the FCC-ee experiments is especially challenging. The beams collide at an angle (+-15 mrad) in the high-field region of the detector solenoid. Moreover, the very low vertical beta_y* of the machine necessitates that the final focusing quadrupoles have a distance from the IP (L*) of around 2 m and therefore are inside the main detector solenoid. The beams should be screened from the effect of the detector magnetic field, and the emittance blow-up due to vertical dispersion in the interaction region should be minimized, while leaving enough space for detector components. Crosstalk between the two final focus quadrupoles, only about 6 cm apart at the tip, should also be minimized.