{"paper":{"title":"Chiral partners of strange doubly heavy baryons: Mass relations and decay predictions after the 2026 LHCb discoveries","arxiv_id":"2610.16841","primary_cat":"hep-ph","submitted_at":"2026-10-12T14:18:22+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. No sentence in this record was written by a language model.","schema":"pith.compiled-record/v0","status":"compiled","abstract":{"source":"arXiv listing abstract v1","sentences":[{"i":0,"p":0.89,"id":"s0","own":false,"role":"background","text":"Three spectacular LHCb measurements in 2026---the observations of $\\Omega_{cc}^{+}$, $\\Xi_{cc}^{+}$, and the beauty-strange structure $B_{s0}^{*}(5700)^0$---make possible an experimentally constrained analysis of chiral partners of strange doubly heavy baryons.","hedge":{"p":0.65,"label":"asserted"},"own_p":0.08,"main_claim_p":0.08,"quantitative":true,"quantitative_p":0.91,"role_probabilities":{"gap":0.01,"method":0.01,"result":0.0,"background":0.89,"limitation":0.0,"future_work":0.0,"contribution":0.09,"interpretation":0.0}},{"i":1,"p":0.78,"id":"s1","own":false,"role":"interpretation","text":"The doubly charmed masses test the earlier Ma--Harada prediction and support a compact, internally S-wave $cc$ color source.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.24,"main_claim_p":0.12,"quantitative":false,"quantitative_p":0.33,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.19,"background":0.03,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.78}},{"i":2,"p":0.65,"id":"s2","own":true,"role":"method","text":"We combine this comparison with the heavy-quark--diquark hyperfine relation and with chiral gaps from the theory of chiral doublers, to construct consistent $ccs$ and $bbs$ parity multiplets and a conditional extension to $bcs$.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.86,"main_claim_p":0.22,"quantitative":false,"quantitative_p":0.08,"role_probabilities":{"gap":0.0,"method":0.65,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.35,"interpretation":0.0}},{"i":3,"p":0.96,"id":"s3","own":true,"role":"result","text":"Under meson-to-baryon parity-gap transfer, the $349$ MeV input from the $D_s$ sector gives negative-parity $ccs$ targets near $4.075$ and $4.183$ GeV.","hedge":{"p":0.98,"label":"asserted"},"own_p":0.75,"main_claim_p":0.14,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.03,"result":0.96,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":4,"p":0.49,"id":"s4","own":true,"role":"method","text":"The separate $332$ MeV input from the $B_s$ sector fixes the $bbs$ partner masses relative to their unknown ground-state mass, conditional on the new beauty-strange state's chiral-partner assignment.","hedge":{"p":0.85,"label":"asserted"},"own_p":0.73,"main_claim_p":0.09,"quantitative":true,"quantitative_p":0.93,"role_probabilities":{"gap":0.0,"method":0.49,"result":0.3,"background":0.0,"limitation":0.07,"future_work":0.0,"contribution":0.14,"interpretation":0.0}},{"i":5,"p":0.78,"id":"s5","own":true,"role":"result","text":"We relate the differences of hyperfine splittings in the two parity sectors of mesons and baryons, and identify equal reduced single-pion widths, an E1 reduced-width ratio $1:8:4:5$, and a kaon selection rule whose leading predictions contain no new transition parameters.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.84,"main_claim_p":0.16,"quantitative":true,"quantitative_p":0.97,"role_probabilities":{"gap":0.0,"method":0.06,"result":0.78,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.16,"interpretation":0.0}},{"i":6,"p":1.0,"id":"s6","own":true,"role":"method","text":"Absolute widths are estimated by matching the published Bardeen--Eichten--Hill and Harada--Rho--Sasaki meson calculations to a common convention.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.61,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.14,"role_probabilities":{"gap":0.0,"method":1.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":7,"p":0.98,"id":"s7","own":true,"role":"result","text":"In the reference calculation, all members of the predicted $ccs$ and $bbs$ multiplets are narrow.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.65,"main_claim_p":0.16,"quantitative":false,"quantitative_p":0.3,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.98,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":8,"p":0.43,"id":"s8","own":false,"role":"future_work","text":"In the proposed $\\Omega_{QQ}\\pi^0$ and $\\Omega_{QQ}\\gamma$ searches at LHCb, these states are expected to produce peaks dominated by detector resolution, allowing their masses and decay patterns to be investigated even when their intrinsic widths remain unresolved.","hedge":{"p":0.7,"label":"hedged_possibility"},"own_p":0.43,"main_claim_p":0.14,"quantitative":false,"quantitative_p":0.37,"role_probabilities":{"gap":0.0,"method":0.03,"result":0.16,"background":0.0,"limitation":0.01,"future_work":0.43,"contribution":0.03,"interpretation":0.34}},{"i":9,"p":0.51,"id":"s9","own":true,"role":"result","text":"The upper charm state is above kaon threshold but protected in the spectator limit.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.53,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.36,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.51,"background":0.0,"limitation":0.01,"future_work":0.0,"contribution":0.0,"interpretation":0.48}}]},"compiled":{"main_claim":{"p":0.6,"text":"We combine this comparison with the heavy-quark--diquark hyperfine relation and with chiral gaps from the theory of chiral doublers, to construct consistent $ccs$ and $bbs$ parity multiplets and a conditional extension to 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