{"paper":{"title":"Analysis of the $\\Lambda_Q$ baryons in the nuclear matter with the QCD sum rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Zhi-Gang Wang","submitted_at":"2011-08-22T08:13:51Z","abstract_excerpt":"In this article, we study the $\\Lambda_c$ and $\\Lambda_b$ baryons in the nuclear matter using the QCD sum rules, and obtain the in-medium masses $M_{\\Lambda_c}^*=2.335\\,\\rm{GeV}$, $M_{\\Lambda_b}^*=5.678\\,\\rm{GeV}$, the in-medium vector self-energies $\\Sigma^{\\Lambda_c}_v=34\\,\\rm{MeV}$, $\\Sigma^{\\Lambda_b}_v=32\\,\\rm{MeV}$, and the in-medium pole residues $\\lambda_{\\Lambda_c}^*=0.021\\,\\rm{GeV}^3$, $\\lambda_{\\Lambda_b}^*=0.026\\,\\rm{GeV}^3$. The mass-shifts are $M_{\\Lambda_c}^*-M_{\\Lambda_c}=51\\,\\rm{MeV}$ and $M_{\\Lambda_b}^*-M_{\\Lambda_b}=60\\,\\rm{MeV}$, respectively."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4251","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"}