{"paper":{"title":"A new vibrational level of the H$_2^+$ molecular ion","license":"","headline":"","cross_cats":["astro-ph","physics.atm-clus","physics.comp-ph","physics.gen-ph","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Dominique Delande, Jaume Carbonell, Laurent Hilico, Rimantas Lazauskas, Senem K{\\i}l{\\i}\\c{c}","submitted_at":"2002-07-01T14:31:40Z","abstract_excerpt":"A new state of the H$_2^+$ molecular ion with binding energy of 1.09$\\times10^{-9}$ a.u. below the first dissociation limit is predicted, using highly accurate numerical nonrelativistic quantum calculations. It is the first L=0 excited state, antisymmetric with respect to the exchange of the two protons. It manifests itself as a huge p-H scattering length of $a=750\\pm 5$ Bohr radii."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0207007","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"}