{"about":{"site":"https://codewithpapers.app","non_affiliation":"Code with Papers and Syntology are not affiliated with, endorsed by, or sponsored by Papers with Code, Meta, or the pwc-archive mirror.","licence":"CC BY-SA 4.0","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","attribution":"https://codewithpapers.app/attribution","modified":"archive material modified by Syntology; see the attribution page"},"url":"/paper/photoproduction-of-hidden-charm-pentaquark","title":"Photoproduction of hidden charm pentaquark states $P_c^+(4380)$ and $P_c^+(4450)$","arxiv_id":"1508.00339","date":"2015-08-03","proceeding":null,"authors":["Qian Wang","Xiao-Hai Liu","Qiang Zhao"],"abstract":"We propose to study the pentaquark candidates of $P_c^+(4380)$ and $P_c^+(4450)$ in $J/\\psi$ photoproduction and look for further experimental evidence for their nature. Since the photoproduction process does not satisfy the so-called \"anomalous triangle singularity\" condition their presence in $J/\\psi$ photoproduction would conclude that they should be genuine states and provide further evidence for their existence.","url_abs":"https://arxiv.org/abs/1508.00339v2","url_pdf":"https://arxiv.org/pdf/1508.00339v2.pdf","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","row_kind":"links_only","authors_date_abstract":"arXiv metadata, CC0 1.0 (https://info.arxiv.org/help/license), from the Kaggle arXiv metadata snapshot of 2026-09-12"},"code_links":[{"paper_slug":"photoproduction-of-hidden-charm-pentaquark","repo_url":"https://github.com/dwinney/jpacPhoto","is_official":0,"mentioned_in_paper":0,"mentioned_in_github":1,"framework":"none","reach":null},{"paper_slug":"photoproduction-of-hidden-charm-pentaquark","repo_url":"https://github.com/dwinney/vector-photoproduction","is_official":0,"mentioned_in_paper":0,"mentioned_in_github":1,"framework":"none","reach":null},{"paper_slug":"photoproduction-of-hidden-charm-pentaquark","repo_url":"https://github.com/dwinney/vector_photoproduction","is_official":0,"mentioned_in_paper":0,"mentioned_in_github":1,"framework":"none","reach":null}],"tasks":[],"methods":[],"datasets_introduced":[],"methods_introduced":[],"results":[],"syntology":{"syntology_url":null,"atlas_url":null,"mcp":null,"developers":"https://syntology.ai/developers"},"arxiv_metadata":null,"syntology_extracted_results":null}