{"paper":{"title":"Interaction between antiprotonic helium ion and He atom: Potential Energy Surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph","quant-ph"],"primary_cat":"nucl-th","authors_text":"Cagliari, G. Ya. Korenman (1) ((1) Skobeltsyn Institute of Nuclear Physics, Italy), I. V. Bodrenko (2), Lomonosov Moscow State University, Moscow, Russia (2) Department of Physics, S. N. Yudin (1), University of Cagliari","submitted_at":"2016-12-12T19:56:31Z","abstract_excerpt":"Potential Energy Surface for the ($\\mathrm{\\bar{p}} - \\mathrm{He}^{2+} - \\mathrm{He}$) system is calculated in the framework of the restricted (singlet spin state) Hartree-Fock method with subsequent account of the electronic correlations within the second order perturbation method (MP2). The geometry of heavy particles is described in variables of distance $r$ from nucleus $a$ to antiproton, distance $R$ from the center of mass of the $(\\bar{p} - a)$ pair to $\\mathrm{He}$ atom containing nucleus $b$, and an angle $\\theta$ between $\\mathbf{r}$ and $\\mathbf{R}$. The potential $V(R,r,\\cos\\theta)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03874","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"}