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Stemmle, S. Stone, S. Stracka, S. Strokov, S.T. Harnew, S. T'Jampens, S. Tolk, S. Valat, S. Vecchi, S. Zucchelli, T.A. Verlage, T. Blake, T. Boettcher, T. Colombo, T.D. Nguyen, T. Evans, T. Fiutowski, T. Gershon, T. Gys, T. Hadavizadeh, T. Harrison, T.H. Hancock, T. Humair, T.J.V. Bowcock, T. Ketel, T. Kirn, T. Klimkovich, T. Kvaratskheliya, T. Latham, T. Lesiak, T. Li, T. Likhomanenko, T. Maltsev, T. Momb\\\"acher, T. Nakada, T. Nanut, T. Pajero, T. Ruf, T. Schmelzer, T. Shears, T. Skwarnicki, T. Szumlak, T. Tekampe, T. Williams, U. Egede, U. Eitschberger, U. Marconi, U. Straumann, U. Uwer, V. Balagura, V. Batozskaya, V. Battista, V. Bellee, V. Bocci, V. Chekalina, V. Chobanova, V. Coco, V. Egorychev, V. Franco Lima, V. Gibson, V. Kudryavtsev, V. Lisovskyi, V. Macko, V. M\\\"uller, V. Obraztsov, V. Placinta, V. Pugatch, V. Renaudin, V. Romanovskiy, V. Salustino Guimaraes, V. Shevchenko, V. Syropoulos, V. Tisserand, V. Vagnoni, V.V. Gligorov, V. Volkov, V. Vorobyev, V. Zhukov, W. Baldini, W. Barter, W. Byczynski, W.C. Zhang, W. Funk, W. Hu, W. Huang, W. Hulsbergen, W. Krupa, W. Krzemien, W. Kucewicz, W. Parker, W. Qian, W. Wislicki, X. Cid Vidal, X. Han, X. Liang, X. Liu, X. Lyu, X. Vilasis-Cardona, X. Yuan, X. Zhu, Y. Amhis, Y. Gan, Y. Gao, Y. Shcheglov, Yu. Guz, Y. Wang, Y. Xie, Y. Yao, Y. Zhang, Y. Zheng, Z. Ajaltouni, Z.C. Huard, Z. Li, Z. Mathe, Z. Ren, Z. Tang, Z. Wang, Z. Xu, Z. Yang","submitted_at":"2018-07-05T09:50:45Z","abstract_excerpt":"The doubly charmed baryon decay $\\Xi_{cc}^{++} \\rightarrow \\Xi_{c}^{+} \\pi^{+}$ is observed for the first time, with a statistical significance of $5.9\\sigma$, confirming a recent observation of the baryon in the $\\Lambda_c^{+} K^{-} \\pi^{+} \\pi^{+}$ final state. The data sample used corresponds to an integrated luminosity of $1.7\\,\\mathrm{fb}^{-1}$, collected by the LHCb experiment in $pp$ collisions at a center-of-mass energy of $13\\mathrm{\\,Te\\kern -0.1em V}$. The $\\Xi_{cc}^{++}$ mass is measured to be\n  \\begin{equation}\\nonumber\n  3620.6\\pm 1.5~(\\text{stat})\\pm 0.4~(\\text{syst}) \\pm 0.3~(\\"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1807.01919","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2018-07-05T09:50:45Z","cross_cats_sorted":[],"title_canon_sha256":"953256c21e9b683c59d751ae20ee9d13bc93731a65f484f65d2bdae348e08682","abstract_canon_sha256":"c52cc096a0228f6dc7b4434799cac6b422c538bbe1c2ff382e2102c84694de15"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:54.735881Z","signature_b64":"qncKvUFlmr5lhQNn+uonUHzC5vsAdW9BIT9P9Kl5ANEzD0n9woExL0DcoSyZtlDGAN6mMU3DUZ0jbQSEz6S5CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f9c5a83fba82d8c3263ec41196f266f7dc4cbdfbb0a11a1caf759258c806472","last_reissued_at":"2026-05-18T00:02:54.735107Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:54.735107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First observation of the doubly charmed baryon decay $\\Xi_{cc}^{++}\\rightarrow \\Xi_{c}^{+}\\pi^{+}$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A. Alves Jr, A. Alfonso Albero, A. Artamonov, A. Baranov, A. Bay, A. Beiter, A. Berezhnoy, A. Bertolin, A. Birnkraut, A. Bizzeti, A.B. Morris, A. Bondar, A.B. Rodrigues, A. Brossa Gonzalo, A. Buonaura, A. Bursche, A. Camboni, A. Carbone, A. Cardini, A.C. dos Reis, A. Chubykin, A. Comerma-Montells, A. Contu, A. Crocombe, A. Danilina, A. Davis, A. Dendek, A. Di Canto, A. Dosil Su\\'arez, A. Dovbnya, A. Dziurda, A. Dzyuba, A. Ene, A. Falabella, A. Fernandez Prieto, A. Gallas Torreira, A. Golutvin, A. Gomes, A. Grecu, A. Heister, A. Hicheur, A. Jawahery, A.K. Kuonen, A. Lai, A. Leflat, A. Loi, A. Lupato, A. Lusiani, A. Malinin, A. Massafferri, A. Mathad, A. Mauri, A. Mazurov, A. McNab, A. Merli, A. M\\\"odden, A. Mogini, A. Nandi, A. Nogay, A. Oblakowska-Mucha, A. Ossowska, A. Oyanguren, A. Palano, A. Papanestis, A. Pastore, A. Pearce, A. Pellegrino, A. Petrolini, A. Petrov, A. Piucci, A. Poluektov, A. Popov, A. Puig Navarro, A. Robert, A. Rogozhnikov, A. Rollings, A. Romero Vidal, A. Sarti, A. Satta, A. Schopper, A. Sciubba, A. Semennikov, A. Sergi, A. Seuthe, A. Stocchi, A. Tayduganov, A. Trisovic, A. Tsaregorodtsev, A. Tully, A. Ukleja, A. Usachov, A. Ustyuzhanin, A. Vagner, A. Valassi, A. Venkateswaran, A. Vitkovskiy, A. Vollhardt, A. Vorobyev, A. Weiden, A. Xu, A. Zhelezov, B. Adeva, B. Audurier, B. Batsukh, B. Couturier, B. Delaney, B. Dey, B. Garcia Plana, B.G. Siddi, B. Hamilton, B. Jost, B. Khanji, B. Leverington, B. Malecki, B. Maurin, B. Meadows, B. Pietrzyk, B. Quintana, B. Rachwal, B.R. Gruberg Cazon, B. Saitta, B. Sanmartin Sedes, B. Schmidt, B. Sciascia, B. Souza De Paula, B. Spaan, B. Storaci, B. Voneki, C.A. Aidala, C. Betancourt, C. Bozzi, C. Burr, C. Chen, C. D'Ambrosio, C. F\\\"arber, C. Fitzpatrick, C. Frei, C. Gaspar, C. G\\\"obel, C. Gotti, C. Gu, C. Hadjivasiliou, C. Haen, C. Hasse, C.H. Murphy, C.J.G. Onderwater, C. Joram, C. Khurewathanakul, C. Langenbruch, C. Lazzeroni, C.L. Da Silva, C. Marin Benito, C. Matteuzzi, C.M. Costa Sobral, C. 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Yang","submitted_at":"2018-07-05T09:50:45Z","abstract_excerpt":"The doubly charmed baryon decay $\\Xi_{cc}^{++} \\rightarrow \\Xi_{c}^{+} \\pi^{+}$ is observed for the first time, with a statistical significance of $5.9\\sigma$, confirming a recent observation of the baryon in the $\\Lambda_c^{+} K^{-} \\pi^{+} \\pi^{+}$ final state. The data sample used corresponds to an integrated luminosity of $1.7\\,\\mathrm{fb}^{-1}$, collected by the LHCb experiment in $pp$ collisions at a center-of-mass energy of $13\\mathrm{\\,Te\\kern -0.1em V}$. The $\\Xi_{cc}^{++}$ mass is measured to be\n  \\begin{equation}\\nonumber\n  3620.6\\pm 1.5~(\\text{stat})\\pm 0.4~(\\text{syst}) \\pm 0.3~(\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01919","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1807.01919","created_at":"2026-05-18T00:02:54.735232+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.01919v3","created_at":"2026-05-18T00:02:54.735232+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01919","created_at":"2026-05-18T00:02:54.735232+00:00"},{"alias_kind":"pith_short_12","alias_value":"P6OFVA73VAWY","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"P6OFVA73VAWYYMTD","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"P6OFVA73","created_at":"2026-05-18T12:32:43.782077+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2601.07015","citing_title":"Light cone QCD sum rules study of the rare radiative $\\Xi^{*}_{bb}\\to\\Xi_b\\gamma$ decay","ref_index":9,"is_internal_anchor":true},{"citing_arxiv_id":"2602.08811","citing_title":"Assessing the validity of the Born-Oppenheimer approximation in potential models for doubly heavy hadrons","ref_index":7,"is_internal_anchor":true},{"citing_arxiv_id":"2604.26842","citing_title":"Null Tests and Lepton Universality in $\\Xi_{cc}$ Baryon Decays","ref_index":5,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5","json":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5.json","graph_json":"https://pith.science/api/pith-number/P6OFVA73VAWYYMTD5RARS3ZGN5/graph.json","events_json":"https://pith.science/api/pith-number/P6OFVA73VAWYYMTD5RARS3ZGN5/events.json","paper":"https://pith.science/paper/P6OFVA73"},"agent_actions":{"view_html":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5","download_json":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5.json","view_paper":"https://pith.science/paper/P6OFVA73","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.01919&json=true","fetch_graph":"https://pith.science/api/pith-number/P6OFVA73VAWYYMTD5RARS3ZGN5/graph.json","fetch_events":"https://pith.science/api/pith-number/P6OFVA73VAWYYMTD5RARS3ZGN5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5/action/storage_attestation","attest_author":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5/action/author_attestation","sign_citation":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5/action/citation_signature","submit_replication":"https://pith.science/pith/P6OFVA73VAWYYMTD5RARS3ZGN5/action/replication_record"}},"created_at":"2026-05-18T00:02:54.735232+00:00","updated_at":"2026-05-18T00:02:54.735232+00:00"}