Speaker
Description
Picosec R&D towards Muon Collider applications – Matteo Brunoldi, endorsed by the International Muon Collider Collaboration, on behalf of the Picosec Micromegas Collaboration
The Muon Collider (MC) offers significant potential in high-energy physics by combining the benefits of leptonic and hadronic colliders. However, key challenges remain, including the Beam-Induced Background, which arises from particles produced by muon decay and their interactions with materials. This background makes the reconstruction of the muon tracks challenging. A proposed solution is to reverse the traditional track reconstruction method, starting from the outer muon spectrometer and moving inward. This out-to-in approach reduces background interference. Additionally, since background particles have a wider spread in arrival time, fast-timing detectors in the muon spectrometer can apply a time-based cut to further suppress the background. Picosec, a Micro-Pattern Gaseous Detector (MPGD), has been proposed for the muon spectrometer's endcap. Picosec offers exceptional time resolution (<25 ps) by utilizing Cherenkov radiation and a two-stage amplification process. Ongoing R&D focuses on optimizing Picosec, including testing environmentally friendly gas mixtures to replace the current one, which has a high Global Warming Potential (GWP). This contribution will present the latest results from gas mixture studies and ongoing efforts to adapt the detector for future MC experiments.
| Primary experiment | IMCC, Picosec Micromegas Collaboration |
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