Speaker
Description
This project aims to advance the design of high-performance electromagnetic (EM) calorimeters for future particle physics experiments, particularly in high-luminosity environments with intense radiation and pileup conditions.The research builds on the RADiCAL (Radiation-hard and Compact) modular sampling calorimeter approach, which employs dense materials like LYSO:Ce scintillator plates interleaved with tungsten plates to minimize detector size while optimizing performance. The 14 mm x 14 mm x 135 mm modules—comparable in size to a human index finger—provide excellent timing and energy resolution, using specialized quartz capillaries filled with wavelength-shifting filaments to guide light to silicon photomultipliers (SiPMs).The primary objectives of this project are: to reduce the timing resolution to ≤ 10 ps for high-energy electrons and photons, important for their association with specific events produced in colliding-beam experiments and with decays-in-flight of long-lived particles; and to reduce the stochastic term in the energy resolution to ≤ 10%/√E, particularly important for the measurement of the energy of lower energy electrons and photons. These goals will be achieved by optimizing the RADiCAL structure with fast-response scintillators, efficient wavelength shifting capillaries, next-generation SiPMs, and advanced readout electronics. More broadly, the modular approach also enables the testing of advanced materials, photosensors and electronics, developed in collaboration with CPAD RDC and ECFA DRD groups. The versatility of RADiCAL modules offers the potential to distinguish EM showers from hadrons and beam-induced backgrounds, making them a valuable tool in a variety of detector environments, including future circular colliders (FCC-ee, FCC-hh) proposed for the European Laboratory for Particle Physics (CERN), the muon-collider proposed for Fermi National Accelerator Laboratory (Fermilab), and fixed target and forward-physics experiments.
