{"paper":{"title":"Complete NLO corrections to off-shell $\\boldsymbol{t\\bar{t}}$ production in the $\\boldsymbol{\\ell+j}$ decay channel","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"Complete NLO QCD and electroweak corrections are calculated for off-shell top-quark pair production in the lepton-plus-jets channel, keeping finite widths and all resonant and non-resonant diagrams.","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Daniel Stremmer, Leon Mans, Malgorzata Worek","submitted_at":"2025-12-20T15:05:54Z","abstract_excerpt":"We present the calculation of the complete NLO corrections to the off-shell top-quark pair production in the $\\ell+j$ decay channel, denoted as $pp \\to \\ell^- \\bar{\\nu}_l\\, j_b j_b \\,jj + X$, where $\\ell^- = e^-,\\, \\mu^-$. The calculation consistently preserves the finite-width effects of the top quarks and massive gauge bosons, as well as takes into account all doubly-, singly-, and non-resonant contributions along with their interference effects. All Born-level contributions, at the perturbative orders from ${\\cal O}(\\alpha_s^4\\alpha^2)$ to ${\\cal O}(\\alpha_s^0\\alpha^6)$, are included and co"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We present the calculation of the complete NLO corrections to the off-shell top-quark pair production in the ℓ+j decay channel, denoted as pp → ℓ− ν̄l jb jb jj + X, where ℓ− = e−, μ−. The calculation consistently preserves the finite-width effects of the top quarks and massive gauge bosons, as well as takes into account all doubly-, singly-, and non-resonant contributions along with their interference effects.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the chosen parton-to-photon fragmentation function and photon-to-jet conversion function render the calculation infrared safe for all photon and jet configurations, and that the perturbative expansion remains reliable once all partonic channels and finite-width effects are included.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Complete NLO QCD plus EW corrections are calculated for off-shell ttbar production in the lepton-plus-jets channel, including all doubly, singly and non-resonant diagrams with their interferences.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Complete NLO QCD and electroweak corrections are calculated for off-shell top-quark pair production in the lepton-plus-jets channel, keeping finite widths and all resonant and non-resonant diagrams.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"ee32228e08e2887d4c36c8bb246acf65f515a4b0b375fa9be3607f7779d4da46"},"source":{"id":"2512.18391","kind":"arxiv","version":2},"verdict":{"id":"cf1cb39b-efa9-4783-b0a3-5422f2c479e3","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T20:39:39.148463Z","strongest_claim":"We present the calculation of the complete NLO corrections to the off-shell top-quark pair production in the ℓ+j decay channel, denoted as pp → ℓ− ν̄l jb jb jj + X, where ℓ− = e−, μ−. The calculation consistently preserves the finite-width effects of the top quarks and massive gauge bosons, as well as takes into account all doubly-, singly-, and non-resonant contributions along with their interference effects.","one_line_summary":"Complete NLO QCD plus EW corrections are calculated for off-shell ttbar production in the lepton-plus-jets channel, including all doubly, singly and non-resonant diagrams with their interferences.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the chosen parton-to-photon fragmentation function and photon-to-jet conversion function render the calculation infrared safe for all photon and jet configurations, and that the perturbative expansion remains reliable once all partonic channels and finite-width effects are included.","pith_extraction_headline":"Complete NLO QCD and electroweak corrections are calculated for off-shell top-quark pair production in the lepton-plus-jets channel, keeping finite widths and all resonant and non-resonant diagrams."},"references":{"count":79,"sample":[{"doi":"","year":2013,"title":"Handbook of vectorlike quarks: Mixing and single production","work_id":"a0072a25-3413-49e2-9caa-21cad7c01f32","ref_index":1,"cited_arxiv_id":"1306.0572","is_internal_anchor":true},{"doi":"","year":2012,"title":"Cross Sections for Leptophobic Topcolor Z' decaying to top-antitop","work_id":"8a7a511b-1121-4d0d-af48-4496785941aa","ref_index":2,"cited_arxiv_id":"1112.4928","is_internal_anchor":true},{"doi":"","year":2011,"title":"Effective four-fermion operators in top physics: a roadmap","work_id":"977df6ce-e3c3-4292-97cb-1bc7bab36290","ref_index":3,"cited_arxiv_id":"1008.3562","is_internal_anchor":true},{"doi":"","year":1999,"title":"Measuring masses of semiinvisibly decaying particles pair produced at hadron colliders","work_id":"a838d473-183e-451e-8429-4a9e7b8f97ca","ref_index":4,"cited_arxiv_id":"hep-ph/9906349","is_internal_anchor":true},{"doi":"","year":2011,"title":"NLO QCD corrections to WWbb production at hadron colliders","work_id":"1f6e5153-3615-45b0-90c2-5924043657b0","ref_index":5,"cited_arxiv_id":"1012.3975","is_internal_anchor":true}],"resolved_work":79,"snapshot_sha256":"a95ecd4c35986c07094c963da195285e65cc23c7b88c30b3959786c047db69de","internal_anchors":61},"formal_canon":{"evidence_count":2,"snapshot_sha256":"ed2d0bdf2048e74fe026ce9beb9ab05c868928721826cf001634edb7f2e71a4c"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}