{"paper":{"title":"The Compton Spectrometer and Imager Project for MeV Astronomy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Alan Smale, Albert Shih, Alexander Lowell, Andrea Bulgarelli, Andreas Zoglauer, Bernard Phlips, Carolyn Kierans, Chris Fryer, Clio Sleator, Dieter Hartmann, Eric Burns, Eric Wulf, Fabrizio Tavecchio, Giancarlo Ghirlanda, Hadar Lazar, Hannah Gulick, Hsiang-Kuang Chang, Jacqueline Beechert, Jarred Roberts, John A. Tomsick, Juan Martinez Oliveros, Julien Malzac, Kazuhiro Nakazawa, Lee Mitchell, Marco Ajello, Mark Leising, Pascal Saint-Hilaire, Peter von Ballmoos, Pierre Jean, Shigeki Matsumoto, Steven E. Boggs, Tadayuki Takahashi, Terri Brandt, Thomas Siegert, Tom Melia, Valentina Fioretti","submitted_at":"2021-09-21T18:58:30Z","abstract_excerpt":"The Compton Spectrometer and Imager (COSI) is a 0.2-5 MeV Compton telescope capable of imaging, spectroscopy, and polarimetry of astrophysical sources. Such capabilities are made possible by COSI's germanium cross-strip detectors, which provide high efficiency, high resolution spectroscopy and precise 3D positioning of photon interactions. Science goals for COSI include studies of 0.511 MeV emission from antimatter annihilation in the Galaxy, mapping radioactive elements from nucleosynthesis, determining emission mechanisms and source geometries with polarization, and detecting and localizing "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10403","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.10403/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}