GammaTPC
Next-generation gamma ray detection satellite
Our Mission
GammaTPC aims to revolutionize MeV gamma-ray astronomy by bridging the observational gaps in this crucial energy regime. Our cutting-edge Liquid Argon Time Projection Chamber offers unmatched effective area, sensitivity, and spatial resolution. GammaTPC will explore extreme cosmic phenomena—from supernova remnants and neutron star mergers to dark matter signatures—helping unlock the next era of astrophysical discoveries.
Performance Highlights
The GammaTPC instrument demonstrates strong performance across several metrics crucial for gamma-ray detection and astrophysical analyses.

Angular Resolution
Pinpoint sources in the MeV band with high precision, aided by advanced electron track reconstruction.
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Energy Resolution
Achieve percent-level energy measurements across 1 MeV–1 GeV range, critical for nuclear line identification.
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Effective Area
Large sensitive volume ensures unprecedented collection of MeV photons.
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Continuum Sensitivity
High sensitivity to faint sources significantly expands the catalog of detectable gamma-ray emitters.
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Line Sensitivity
Crucial for nuclear line and annihilation line studies in astrophysics.
View Full PlotExplore the TPC in Action
Interactive or video demonstration of how GammaTPC detects and reconstructs gamma-ray events.

Sponsored By / In Collaboration With

Project Timeline
GAMPix Paper on arXiv
arXiv:2402.00902 – "GAMPix: a novel fine-grained, low-noise
and ultra-low power pixelated charge readout for TPCs"
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GammaTPC Concept on arXiv
arXiv:2502.14841 – "The GammaTPC Gamma-Ray Telescope Concept"
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Get Involved
Whether you’re a researcher, student, engineer, or science enthusiast, join our journey to push the boundaries of MeV gamma-ray astronomy. Follow our developments, contribute to our open-source tools, or collaborate on future data analysis.
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