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ALCOR: A SiPM readout chip for the ePIC-dRICH detector at the EIC

ALCOR (A Low-power Chip for Optical sensor Readout) is a mixed-signal ASIC developed for the readout of silicon photomultiplier (SiPM) sensors in the ePIC dual-radiator RICH (dRICH) detector at the future Electron-Ion Collider (EIC). The chip is designed to provide precise single-photon timing with low power consumption and a fully digital, trigger-less readout architecture. ALCOR has been extensively characterised in laboratory measurements and operated with different SiPM technologies. Its ...

Online AI-based distributed data reduction for the dual-radiator RICH detector in the ePIC experiment

The ePIC experiment at EIC integrates a dual-radiator RICH (dRICH) detector for particle identification in the forward region. The detector will use silicon photomultipliers (SiPMs) to detect Cherenkov radiation with single-photon sensitivity. The detector channels will be read out by several Front End Boards (FEBs). Their output data will be collected by different Readout Boards (RDOs) and then forwarded to the Data Aggregation and Manipulation Board (DAMs). In the ePIC dRICH DAQ, each DAM w...

The ePIC dual-radiator RICH detector

The dual radiator Ring Imaging Cherenkov (dRICH) detector is required to provide continuous hadron identification from approximate to 3 GeV/c up to approximate to 50 GeV/c, and to supplement electron and positron identification from a few hundred MeV/c up to about 15 GeV/c, in the forward (ion-side) end-cap of the ePIC experiment. Such an extended momentum range imposes the use of two radiators, gas and aerogel. The common imaging system, that ensures compactness and cost-effectiveness, is ba...

Timing performance of the Multigap Resistive Plate Chambers for the cosmic ray telescopes of the EEE Project

The Extreme Energy Events (EEE) Project has built since 2004 a GPS-synchronized network of cosmic ray telescopes based on Multigap Resistive Plate Chambers (MRPC), which are distributed over the Italian territory. Most of them are installed within high school institutes and operated by local teams of students and teachers. Various upgrades, also concerned with the use of new eco-friendly gas mixtures have been undertaken, to reduce the impact of the traditional gases with high Global Warming ...

Observation of the May 2024 Forbush decrease in cosmic ray flux by telescopes array of the Extreme Energy Events (EEE) Project

The Extreme Energy Events (EEE) Project is a large network of muon detectors devoted to measure the cosmic ray (CR) flux. The EEE network observed the significant variation of the CR flux during the G5 storm of May 2024. The Forbush decrease was detected by both MRPC gas-based muon telescopes and by a set of scintillator-based telescopes, covering a large range in latitude and longitude. This paper will shortly describe the main results obtained from the data collected by various telescopes d...

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