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The extracted values of V_ud are also found to be compatible with current determinations within these uncertainties.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the quantum Monte Carlo sampling with the chosen phenomenological and chiral Hamiltonians fully captures isospin-symmetry-breaking effects without sizable systematic bias from finite model-space truncations or from the treatment of electromagnetic and charge-dependent forces.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Ab initio QMC calculations yield δ_C ≈ 0.15–0.25% for ¹⁰C superallowed beta decay, consistent across phenomenological and chiral interactions within 34–65% relative uncertainties.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Ab initio quantum Monte Carlo calculations determine the isospin-symmetry-breaking correction δ_C for the superallowed beta decay of 10C to be 0.15-0.25%.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"5f9f9de3362f16b7c61b2223b5b724090bd65d414012e4c645b1079893e86836"},"source":{"id":"2605.14006","kind":"arxiv","version":1},"verdict":{"id":"b21578d6-221e-4b4e-a565-75e0b945edb5","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T02:35:24.266689Z","strongest_claim":"The resulting δ_C values lie in the range ≈ 0.15--0.25% and are consistent, within sizable uncertainties (approximately 34%--65% relative), across Hamiltonians, indicating no statistically significant dependence on the choice of nuclear interaction. 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