{"paper":{"title":"The AMS-02 RICH Imager Prototype - In-Beam Tests with 20 GeV/c per Nucleon Ions -","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Barrau, A. Malinine, A. Menchaca-Rocha, A. Torrento, B. Baret, C. Delgado, C. Diaz, C. Mana, C. Palomares, D. Casadei, E. Belmont, E. Lanciotti, E. Sanchez, E-S. Seo, F. Barao, F. Giovacchini, G. Boudoul, G. Laurenti, G. Martinez, I. Sevilla, J. Berdugo, J. Borges, J. Casaus, J. Marin, K. Protasov, L. Arruda, L. Derome, L. Eraud, L. Gallin-Martel, M. Aguilar Benitez, M. Buenerd, M. Pimenta, M. Vargas-Trevino, P. Aguayo, P. Goncalves","submitted_at":"2003-06-11T09:40:30Z","abstract_excerpt":"A prototype of the AMS Cherenkov imager (RICH) has been tested at CERN by means of a low intensity 20 GeV/c per nucleon ion beam obtained by fragmentation of a primary beam of Pb ions. Data have been collected with a single beam setting, over the range of nuclear charges 2<Z<~45 in various beam conditions and using different radiators. The charge Z and velocity beta resolutions have been measured."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306224","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/astro-ph/0306224/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"}