{"paper":{"title":"Pygmy and core polarization dipole modes in $^{206}$Pb: connecting nuclear structure to stellar nucleosynthesis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A.P. Tonchev, C. Bhatia, C.W. Arnold, E. Kwan, G. Rusev, H. Lenske, J.H. Kelley, J. Piekarewicz, N. Tsoneva, R. Raut, S. Goriely, S.L. Hammond, T. Shizuma, W. Tornow","submitted_at":"2017-08-11T12:40:08Z","abstract_excerpt":"A high-resolution study of the electromagnetic response of $^{206}$Pb below the neutron separation energy is performed using a ($\\vec{\\gamma}$,$\\gamma'$) experiment at the HI$\\vec{\\gamma}$S facility. Nuclear resonance fluorescence with 100% linearly polarized photon beams is used to measure spins, parities, branching ratios, and decay widths of excited states in $^{206}$Pb from $4.9$ to $8.1$MeV. The extracted $\\Sigma$$B$(E1)$\\uparrow$ and $\\Sigma$$B$(M1)$\\uparrow$ values for the total electric and magnetic dipole strength below the neutron separation energy are 0.9$\\pm$0.2e$^2$fm$^2$ and 8.3$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.03522","kind":"arxiv","version":1},"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"}