COCOA: a compact Compton camera for astrophysical observation of MeV-scale gamma rays
LiquidO Collaboration: S. R. Soleti, J. J. G\'omez-Cadenas, J. Apilluelo, L. Asquith, E. F. Bannister, N. P. Barradas, C. L. Baylis, J. L. Beney, M. Berberan e Santos, X. de la Bernardie, T. J. C. Bezerra, M. Bongrand, C. Bourgeois, D. Breton, J. Busto, K. Burns, A. Cabrera
TL;DR
COCOA is a compact, scalable gamma-ray telescope utilizing LiquidO technology and scintillating crystals, designed to explore the under-studied MeV energy range in astrophysics with improved sensitivity.
Contribution
This paper introduces COCOA, a novel compact gamma-ray detector combining LiquidO and scintillating crystals for enhanced MeV gamma-ray observations.
Findings
Potential to fill the MeV gap in gamma-ray astronomy
Compact and scalable design for various deployment platforms
Improved sensitivity in the MeV energy range
Abstract
COCOA (COmpact COmpton cAmera) is a next-generation gamma-ray telescope designed for astrophysical observations in the MeV energy range. The detector comprises a scatterer volume employing the LiquidO detection technology and an array of scintillating crystals acting as absorber. Surrounding plastic scintillator panels serve as a veto system for charged particles. The detector's compact, scalable design enables flexible deployment on microsatellites or high-altitude balloons. Gamma rays at MeV energies have not been well explored historically (the so-called "MeV gap") and COCOA has the potential to improve the sensitivity in this energy band.
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