2026
02/13
OPEN
Date
2026/02/13（Fri.）13:30 – 14:30
Venue
Meeting Room, J-PARC Control Build. + Zoom
Speaker
Alessandro Zimmaro (CERN)
Language
English
URL
Contact
C. Ohmori (PHS 4784)
Radiation monitoring in particle accelerators is far more than a standard environmental characterization; it is a critical infrastructure that directly governs the entire accelerator operation. Indeed, it plays a fundamental role in CERN’s Radiation Hardness Assurance (RHA) strategy, ensuring that electronic systems can operate reliably within the complex. Accurate, low-uncertainty measurements are essential for defining radiation requirements and predicting operational performance. Furthermore, these measurements are vital throughout the entire system lifecycle: they enable the continuous follow-up of operating equipment to verify real-time performance and provide the necessary data to perform root-cause analysis when a system failure occurs.
While the RadMon instrument has successfully quantified Radiation to Electronics (R2E) effects during LHC operations, its large-scale deployment is limited by the accelerator’s length, restricted access windows, and the high costs of wired infrastructure. Consequently, simulations have often been used to supplement physical monitoring. To enhance flexibility and scalability, CERN has developed a new wireless IoT platform. This system inherits the RadMon’s proven sensing capabilities while introducing modularity, wireless communication, and battery-powered autonomy. These features overcome the logistical constraints of legacy systems, allowing for high-density deployment and more granular environmental monitoring.
This presentation details the platform’s novel architecture and technical advantages. We outline the rigorous qualification phases— reliability, radiation characterization, and sensor validation—that demonstrate the instrument’s robustness. Additionally, we provide an overview of current deployments, showcasing real-world measurements from recent operational years that would have been impossible with traditional RadMons. Furthermore, the presentation discusses how the platform’s modularity enables new, innovative monitoring applications and proactive system management. Finally, the evolution of the project is presented through the latest hardware and wireless communication developments, which will guarantee enhanced radiation tolerance and broader applicability in future operational scenarios.