{"paper":{"title":"The Development of the NNBAR Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Bianchi, A. Kupsc, A. Nepomuceno, A. Oskarsson, A. R. Young, A. Takibayev, B. Meirose, B. Rataj, C. Bohm, C. Happe, D. D. Di Julio, D. Milstead, E. Dian, E. Klinkby, F. Backman, G. Brooijmans, H. Calen, H. Perrey, J. Barrow, J. Cederk\\\"all, J. I. M. Damian, K. Dunne, K. Ramic, L. Eklund, L. J. Broussard, L. Zanini, M. Holl, M. J. Ferreira, M. Wolke, N. Rizzi, O. Zimmer, P. Fierlinger, R. Kolevatov, R. Wagner, S.C. Yiu, S. Silverstein, T. Johansson, T. Nilsson, U. Friman-Gayer, V. Santoro, W.M. Snow, Y. Be{\\ss}ler, Y. Kamyshkov","submitted_at":"2022-09-19T13:35:55Z","abstract_excerpt":"The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with a sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes progress towards a conceptual design report for NNBAR. The design of a moderator, neutron reflector, beamline, shielding and annihilation detector is reported. The simulations used form part of a model which will be used for optimisation of the experiment design and quantification of its sensitivity."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09011","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/2209.09011/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"}