{"paper":{"title":"Exclusive Measurements of pp -> dpi+pi0: Double-Pionic Fusion without ABC Effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Kupsc, A. Povtoreijko, A. Yamamoto, B. Hoistad, B. Morosov, B. Shwartz, C. Ekstrom, C. Pauly, D. Bogoslawsky, E. Jiganov, F. Kren, G. Ivanov, G. J. Wagner, H. Calen, H. Clement, H. Petren, I. Koch, J. Greiff, J. Stepaniak, J. Zabierowski, J. Zlomanczuk, K. Fransson, K. Schonning, L. Demiroers, L. Gustafsson, M. Bashkanov, M. Jacewicz, M. Wolke, O. Khakimova, P. Marciniewski, P. Thorngren-Engblom, R. J. M. Y. Ruber, R. Meier, S. Keleta, S. Kullander, T. Kohansson, T. Skorodko, V. Tikhomirov, W. Scobel, Y. Petukhov","submitted_at":"2009-10-06T13:26:45Z","abstract_excerpt":"Exclusive measurements of the reaction pp -> dpi+pi0 have been carried out at T_p = 1.1 GeV at the CELSIUS storage ring using the WASA detector. The isovector pi+pi0 channel exhibits no enhancement at low invariant pipi masses, i. e. no ABC effect. The differential distributions are in agreement with the conventional t-channel Delta-Delta excitation process, which also accounts for the observed energy dependence of the total cross section. This is an update of a previously published version -- see important note at the end of the article."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0995","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"}