{"paper":{"title":"Production of $\\eta\\prime$ Mesons in the $pp \\to pp\\eta\\prime$ Reaction at 3.67 GeV/c","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Brenschede, A. Grasso, A. Maggiora, A. Manara, A. Popov, DISTO Collaboration: F. Balestra, D. Panzieri, F. Brochard, F. Tosello, G.B. Pontecorvo, G. Piragino, G. Zosi, H.-W. Pfaff, I. Froehlich, I.V. Falomkin, J.-Cl. Faivre, J. Foryciarz, J. Ritman, L.C. Bland, L. Fava, L. Ferrero, M. Debowski, M. Dzemidzic, M. Maggiora, M.P. Bussa, P. Salabura, R. Bertini, R. Garfagnini, Seonho Choi, S.E. Vigdor, S. Heinz, V. Frolov, V. Tchalyshev, V.V. Ivanov, W. Kuehn, W.W. Jacobs, Y. Bedfer","submitted_at":"2000-08-31T14:01:49Z","abstract_excerpt":"The ratio of the total exclusive production cross sections for $\\eta\\prime$ and $\\eta$ mesons has been measured in the $pp$ reaction at $p_{beam}=3.67$ GeV/c. The observed $\\eta\\prime/\\eta$ ratio is $(0.83\\pm{0.11}^{+0.23}_{-0.18})\\times 10^{-2}$ from which the exclusive $\\eta\\prime$ meson production cross section is determined to be $(1.12\\pm{0.15}^{+0.42}_{-0.31})\\mu b$. Differential cross section distributions have been measured. Their shape is consistent with isotropic $\\eta\\prime$ meson production."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0008017","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/nucl-ex/0008017/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"}