The cosmic muon and detector simulation framework of the Extreme Energy Events (EEE) experiment

TL;DR

This paper presents a detailed GEANT4-based simulation framework for the EEE cosmic muon experiment, enabling realistic modeling of detector response and aiding in the determination of detector parameters.

Contribution

It introduces a comprehensive simulation framework that accurately models the EEE detector setup and muon flux, improving analysis capabilities beyond experimental data alone.

Findings

Validated simulation against experimental data.

Determined detector efficiency and resolution parameters.

Enhanced understanding of detector response and muon flux.

Abstract

This paper describes the simulation framework of the Extreme Energy Events (EEE) experiment. EEE is a network of cosmic muon trackers, each made of three Multi-gap Resistive Plate Chambers (MRPC), able to precisely measure the absolute muon crossing time and the muon integrated angular flux at the ground level. The response of a single MRPC and the combination of three chambers have been implemented in a GEANT4-based framework (GEMC) to study the telescope response. The detector geometry, as well as details about the surrounding materials and the location of the telescopes have been included in the simulations in order to realistically reproduce the experimental set-up of each telescope. A model based on the latest parametrization of the cosmic muon flux has been used to generate single muon events. After validating the framework by comparing simulations to selected EEE telescope data, it has been used to determine detector parameters not accessible by analysing experimental data only, such as detection efficiency, angular and spatial resolution.