Ring Imaging Cherenkov Detector Technologies for Particle Identification in the Electron-Ion Collider Experiments

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doi:10.1142/s2010194518600807

Abstract

In the proposed Electron-Ion Collider (EIC) experiments, particle identification (PID) of the final state hadrons in the semi-inclusive deep inelastic scattering allows the measurement of flavor-dependent gluon and quark distributions inside nucleons and nuclei. The EIC PID consortium (eRD14 Collaboration) has been formed for identifying and developing PID detectors using Ring Imaging Cherenkov (RICH) techniques for the EIC experiments. A modular Ring Imaging Cherenkov (mRICH) detector has been designed for particle identification in the momentum coverage from 3 GeV/c to 10 GeV/c. The mRICH detector consists of an aerogel radiator block, a Fresnel lens, a mirror-wall and a photosensor plane. The first prototype of this detector was successfully tested at Fermi National Accelerator Laboratory in April 2016 for verifying the detector working principles. This talk will highlight the mRICH beam test results and their comparison with GEANT4-based detector simulations. An implementation of the mRICH detector concept in the Forward Angle sPHENIX spectrometer at BNL will also be mentioned in this talk.

Highlights

The Electron-Ion Collider (EIC), which is supported in the 2015 Long Range Plan of the US Department of Energy for Nuclear Science[1], aims to broaden the knowledge of nuclear structure by building nuclear tomography from quark and gluon distributions in multi-dimensional spaces such as spatial, momentum, spin, and flavor space[2]
One of the key requirements of the EIC experiments is to provide the particle identification (PID) capability of the final state hadrons from semi-inclusive deep inelastic scattering. This is an Open Access article published by World Scientific Publishing Company
3. modular Ring Imaging Cherenkov (mRICH) Beam Test The first mRICH beam test was performed at Fermilab in April of 2016, which focused on the study of the detector working principle and the comparison with simulated results using GEANT4

Summary

Introduction

One of the key requirements of the EIC experiments is to provide the particle identification (PID) capability of the final state hadrons from semi-inclusive deep inelastic scattering. This is an Open Access article published by World Scientific Publishing Company. The details of the first mRICH prototype have been published 5 The highlights of this prototype design and the beam test results are given in section 2 and 3. The mRICH design has a significant potential for e/π identification providing an important capability supplementing the electromagnetic calorimeters and other possible e/π ID systems.

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Total number of photons