Lycoris -- a large-area, high resolution beam telescope
Abstract
A high-resolution beam telescope is one of the most important and demanding infrastructure components at any test beam facility. Its main purpose is to provide reference particle tracks from the incoming test beam particles to the test beam users, which allows measurement of the performance of the device-under-test (DUT). , a six-plane compact beam telescope with an active area of 10×10 (extensible to 10×20) was installed at the in 2019, to provide a precise momentum measurement in a 1 solenoid magnet or to provide tracking over a large area. The overall design of will be described as well as the performance of the chosen silicon sensor. The 25 pitch micro-strip sensor used for was originally designed for the detector concept for the International Linear Collider. It adopts a second metallization layer to route signals from strips to the bump-bonded ASIC and uses a wire-bonded flex cable for the connection to the DAQ and the power supply system. This arrangement eliminates the need for a dedicated hybrid PCB. Its performance was tested for the first time in this project. The system has been evaluated at the in several test-beam campaigns and has demonstrated an average single-point resolution of 7.07.