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Enhancing Photon Detection for Deeply Virtual Compton Scattering at Electron-Ion Collider

AJAS · 2025 Physics and Astronomy (inferred)

Savannah Isaacs · Kentucky Academy of Science

Overview

The ePIC Collaboration is developing a sophisticated detector for the Electron-Ion Collider (EIC) hosted by Brookhaven National Laboratory and Jefferson Lab, aimed at studying interactions between the fundamental building blocks of the universe through collisions of beams of polarized electrons with polarized proton and ion beams. While the scientific program of the EIC is broad, one physics process of interest is Deeply Virtual Compton Scattering (DVCS), a process that involves the absorption of a virtual photon by a quark within a proton and the subsequent emission of a real photon. A DVCS measurement requires the accurate detection and differentiation of photons and electrons. This project presents the development of a photon identification algorithm within the ePIC software framework, using information from the backward electromagnetic endcap calorimeter and central trackers. The results reveal difficulties in distinguishing between photons and electrons solely from energy deposits in the calorimeter and demonstrates the importance of tracking information when isolating a photon signal.

Competition history

  • AJAS 2025 Category not listed

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Source: AAAS Annual Meeting (Confex) / American Junior Academy of Science

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