Speaker
Description
The Future Circular Collider (FCC-ee) is a next-generation electron-positron collider under design at CERN to advance particle physics beyond the Large Hadron Collider (LHC) era. This 91 km circumference accelerator, located at a depth of about 200 m underground, raises significant challenges for the alignment of its components. Thousands of elements must be positioned within a few tens of micrometers relative to each other to ensure optimal machine performance. To achieve this, a first-order alignment network, transferred from surface references, must be established along the entire length of the tunnel. This network will provide the basis for tracing, installation and absolute alignment of components prior to the relative alignment phase.
A dedicated simulation tool has been developed to model the FCC-ee tunnel, including shafts and bypasses. Different network configurations can be generated to simulate polar, gyroscopic, and levelling measurements. This paper presents the methodology used to build these simulations and studies the resulting error propagation and expected precision for each measurement configuration.
| Paper status | Proceeding files received |
|---|