{"paper":{"title":"Most Strange Dibaryon from Lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-ex","nucl-th"],"primary_cat":"hep-lat","authors_text":"Hidekatsu Nemura, Kenji Sasaki, Noriyoshi Ishii, Shinya Gongyo, Sinya Aoki, Takashi Inoue, Takaya Miyamoto, Takumi Doi, Takumi Iritani, Tetsuo Hatsuda, Yoichi Ikeda","submitted_at":"2017-09-03T03:05:12Z","abstract_excerpt":"The $\\Omega\\Omega$ system in the $^1S_0$ channel (the most strange dibaryon) is studied on the basis of the (2+1)-flavor lattice QCD simulations with a large volume (8.1 fm)$^3$ and nearly physical pion mass $m_{\\pi}\\simeq 146$ MeV at a lattice spacing $a\\simeq 0.0846$ fm. We show that lattice QCD data analysis by the HAL QCD method leads to the scattering length $a_0 = 4.6 (6)(^{+1.2}_{-0.5}) {\\rm fm}$, the effective range $r_{\\rm eff} = 1.27 (3)(^{+0.06}_{-0.03}) {\\rm fm}$ and the binding energy $B_{\\Omega \\Omega} = 1.6 (6) (^{+0.7}_{-0.6}) {\\rm MeV}$. These results indicate that the $\\Omega"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00654","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"}