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A Few-Degree Calorimeter for the future Electron-Ion Collider by Arratia, Miguel; Milton, Ryan; Paul, Sebouh J.; Schmookler, Barak; Zhang, Weibin is a scholarly article available to read on EtoBox.

What is A Few-Degree Calorimeter for the future Electron-Ion Collider about?

Measuring the region $0.1 < Q^{2} < 1.0$ GeV$^{2}$ is essential to support searches for gluon saturation at the future Electron-Ion Collider. Recent studies have revealed that covering this region at the highest beam energies is not feasible with current detector designs, resulting in the so-called $Q^{2}$ gap. In this work, we present a design for the Few-Degree Calorimeter (FDC), which addresses this issue. The FDC uses SiPM-on-tile technology with tungsten absorber and covers the range of $-4.6 < \eta < -3.6$. It offers fine transverse and longitudinal granularity, along with excellent time resolution, enabling standalone electron tagging. Our design represents the first concrete solution to bridge the $Q^{2}$ gap at the EIC.

Author

Arratia, Miguel; Milton, Ryan; Paul, Sebouh J.; Schmookler, Barak; Zhang, Weibin

Published

2023

Language

EN