{"paper":{"title":"Prospects of discovering stable double-heavy tetraquarks at a Tera-$Z$ factory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ahmed Ali, Alexander Ya. Parkhomenko, Qin Qin, Wei Wang","submitted_at":"2018-05-07T14:08:49Z","abstract_excerpt":"Motivated by a number of theoretical considerations, predicting the deeply bound double-heavy tetraquarks $T^{\\{bb\\}}_{[\\bar u \\bar d]}$, $T^{\\{bb\\}}_{[\\bar u \\bar s]}$ and $T^{\\{bb\\}}_{[\\bar d \\bar s]}$, we explore the potential of their discovery at Tera-$Z$ factories. Using the process $Z \\to b \\bar b b \\bar b$, we calculate, employing the Monte Carlo generators MadGraph5$\\_$aMC@NLO and Pythia6, the phase space configuration in which the~$b b$ pair is likely to fragment as a diquark. In a jet-cone, defined by an invariant mass interval $m_{bb} < M_{T^{\\{bb\\}}_{[\\bar q \\bar q']}} + \\Delta M$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02535","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"}