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The dRICH detector at the ePIC experiment

  • Luisa Occhiuto
  • , P. Antonioli
  • , L. Barion
  • , F. Bellini
  • , R. S. Bhadauriya
  • , A. Bressan
  • , A. Calivà
  • , M. Capua
  • , C. Chatterjee
  • , M. Contalbrigo
  • , S. Dalla Torre
  • , A. De Caro
  • , D. De Gruttola
  • , L. Dello Stritto
  • , D. Elia
  • , S. Fazio
  • , T. Ghosh
  • , S. Kumar
  • , A. Mastroserio
  • , F. Noferini
  • C. Pecar, R. Rath, C. Ripoli, M. Ruspa, E. Tassi, S. Vallarino, G. Volpe, A. Vossen

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

ePIC will be a general-purpose detector designed to enable the entire physics program of the Electron-Ion Collider (EIC) at BNL, USA. Several key physics measurements depend on efficient Particle Identification (PID). The PID system of ePIC covers a wide pseudorapidity (-3.3 < η < 3.5) and momentum range. Several technologies have been identified to serve such a purpose. In the forward region (1.5 < η < 3.5) a Dual Ring Imaging Cerenkov detector (dRICH) will be employed to provide efficient and continuous hadron PID from 3 GeV/c to 50 GeV/c and to support the electromagnetic calorimeter by pion rejection in the lower momentum region. The dRICH comprises two different radiators, aerogel and gas (C2F6), to cover the entire momentum range. SiPM based photosensors are placed in six spherical sectors to detect Cherenkov photons which are focused by six corresponding spherical mirrors. Here we introduce the dRICH detector and discuss results from simulation studies, with a special focus on the separation power for pions and kaons and its dependency on the particle momentum and pseudorapidity.

Original languageEnglish
Article number009
JournalProceedings of Science
Volume465
StatePublished - 25 Mar 2025
Externally publishedYes
Event10th International Conference on Quarks and Nuclear Physics, QNP 2024 - Barcelona, Spain
Duration: 8 Jul 202412 Jul 2024

Bibliographical note

Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).

ASJC Scopus subject areas

  • General

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