{"paper":{"title":"Rare Z-decay into light CP-odd Higgs bosons: a comparative study in different new physics models","arxiv_id":"1007.1918","primary_cat":"hep-ph","submitted_at":"2010-07-12T14:46:32+00:00","version_compiled":"v2"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 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 v2","sentences":[{"i":0,"p":1.0,"id":"s0","own":false,"role":"background","text":"Various new physics models predict a light CP-odd Higgs boson (labeled as $a$) and open up new decay modes for Z-boson, such as $Z \\to \\bar{f} f a$, $Z\\to a\\gamma$ and $Z\\to aaa$, which could be explored at the GigaZ option of the ILC.","hedge":{"p":0.8,"label":"hedged_possibility"},"own_p":0.05,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":0.9,"id":"s1","own":true,"role":"contribution","text":"In this work we investigate these rare decays in several new physics models, namely the type-II two Higgs doublet model (type-II 2HDM), the lepton-specific two Higgs doublet model (L2HDM), the nearly minimal supersymetric standard model (nMSSM) and the next-to-minimal supersymmetric standard model (NMSSM).","hedge":{"p":0.94,"label":"asserted"},"own_p":0.54,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.17,"role_probabilities":{"gap":0.0,"method":0.1,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.9,"interpretation":0.0}},{"i":2,"p":0.99,"id":"s2","own":true,"role":"result","text":"We find that in the parameter space allowed by current experiments, the branching ratios can reach $10^{-4}$ for $Z \\to \\bar{f} f a $ ($f=b,\\tau$), $10^{-9}$ for $Z\\to a\\gamma$ and $10^{-3}$ for $Z\\to aaa$, which implies that the decays $Z \\to \\bar{f} f a$ and $Z \\to a a a$ may be accessible at the GigaZ option.","hedge":{"p":0.89,"label":"asserted"},"own_p":0.95,"main_claim_p":0.74,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.99,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":3,"p":0.99,"id":"s3","own":false,"role":"interpretation","text":"Moreover, since different models predict different patterns of the branching ratios, the measurement of these rare decays at the GigaZ may be utilized to distinguish the models.","hedge":{"p":0.97,"label":"hedged_possibility"},"own_p":0.37,"main_claim_p":0.28,"quantitative":false,"quantitative_p":0.12,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.01,"contribution":0.0,"interpretation":0.99}}]},"compiled":{"main_claim":{"p":0.92,"text":"We find that in the parameter space allowed by current experiments, the branching ratios can reach $10^{-4}$ for $Z \\to \\bar{f} f a $ ($f=b,\\tau$), $10^{-9}$ for $Z\\to a\\gamma$ and $10^{-3}$ for $Z\\to aaa$, which implies that the decays $Z \\to \\bar{f} f a$ and $Z \\to a a a$ may be accessible at the GigaZ option.","location":"abstract s2","hedge_strength":{"p":0.89,"label":"asserted"}},"provenance":{"route":{"via":"OpenRouter","model":"classifier-1.13","endpoint":"https://openrouter.ai/api/v1/systemone","provider":"TypeSafe"},"packing":"one request per paper","requests":1,"input_tokens":4146,"cost_usd_reported":0.000174},"compiled_at":"2026-09-23","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13-20260917","abstract_states":{"claims_first":0.03,"states_limitation":0.18,"human_participants":0.01,"controlled_comparison":0.05,"randomized_assignment":0.01,"states_quantitative_result":0.98,"compares_with_prior_results":0.16,"mentions_code_or_data_availability":0.02},"evidential_basis":{"p":0.98,"value":"simulation or 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