{"paper":{"title":"Detecting Dark Matter Annihilation with CMB Polarization : Signatures and Experimental Prospects","arxiv_id":"astro-ph/0503486","primary_cat":"astro-ph","submitted_at":"2005-03-23T20:26:19+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":0.99,"id":"s0","own":false,"role":"background","text":"Dark matter (DM) annihilation during hydrogen recombination (z ~ 1000) will alter the recombination history of the Universe, and affect the observed CMB temperature and polarization fluctuations.","hedge":{"p":0.92,"label":"asserted"},"own_p":0.09,"main_claim_p":0.14,"quantitative":true,"quantitative_p":0.72,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.99,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":1,"p":0.35,"id":"s1","own":false,"role":"background","text":"Unlike other astrophysical probes of DM, this is free of the significant uncertainties in modelling galactic physics, and provides a method to detect and constrain the cosmological abundances of these particles.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.1,"main_claim_p":0.17,"quantitative":false,"quantitative_p":0.31,"role_probabilities":{"gap":0.06,"method":0.04,"result":0.01,"background":0.35,"limitation":0.0,"future_work":0.0,"contribution":0.32,"interpretation":0.22}},{"i":2,"p":0.97,"id":"s2","own":true,"role":"method","text":"We parametrize the effect of DM annihilation as an injection of ionizing energy at a rate e_{dm}, and argue that this simple \"on the spot'' modification is a good approximation to the complicated interaction of the annihilation products with the photon-electron plasma.","hedge":{"p":0.73,"label":"asserted"},"own_p":0.77,"main_claim_p":0.08,"quantitative":false,"quantitative_p":0.12,"role_probabilities":{"gap":0.0,"method":0.97,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.03,"interpretation":0.0}},{"i":3,"p":0.53,"id":"s3","own":false,"role":"background","text":"Generic models of DM do not change the redshift of recombination, but change the residual ionization after recombination.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.14,"main_claim_p":0.08,"quantitative":false,"quantitative_p":0.19,"role_probabilities":{"gap":0.0,"method":0.03,"result":0.3,"background":0.53,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.13}},{"i":4,"p":0.5,"id":"s4","own":false,"role":"interpretation","text":"This broadens the surface of last scattering, suppressing the temperature fluctuations and enhancing the polarization fluctuations.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.29,"main_claim_p":0.18,"quantitative":true,"quantitative_p":0.5,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.45,"background":0.04,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.5}},{"i":5,"p":0.83,"id":"s5","own":true,"role":"method","text":"We use the temperature and polarization angular power spectra to measure these deviations from the standard recombination history, and therefore, indirectly probe DM annihilation. (abridged)","hedge":{"p":0.99,"label":"asserted"},"own_p":0.75,"main_claim_p":0.53,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.83,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.16,"interpretation":0.01}}]},"compiled":{"main_claim":{"p":0.61,"text":"We use the temperature and polarization angular power spectra to measure these deviations from the standard recombination history, and therefore, indirectly probe DM annihilation. (abridged)","location":"abstract s5","hedge_strength":{"p":0.99,"label":"asserted"}},"provenance":{"route":{"via":"TypeSafe API","model":"classifier-1.13.0","endpoint":"https://api.typesafe.ai/v1/systemone","provider":"TypeSafe"},"packing":"one request per paper","requests":1,"input_tokens":5105,"cost_usd_reported":0.0},"compiled_at":"2026-09-23","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13.0","abstract_states":{"claims_first":0.04,"states_limitation":0.31,"human_participants":0.01,"controlled_comparison":0.31,"randomized_assignment":0.01,"states_quantitative_result":0.05,"compares_with_prior_results":0.56,"mentions_code_or_data_availability":0.02},"evidential_basis":{"p":0.84,"value":"argument","probabilities":{"argument":0.84,"literature":0.0,"proof_or_derivation":0.05,"analysis_of_existing_data":0.04,"observation_or_experiment":0.0,"simulation_or_computation":0.07}},"contribution_type":{"p":0.52,"value":"method or tool","probabilities":{"review":0.0,"method_or_tool":0.52,"empirical_study":0.0,"simulation_study":0.01,"theoretical_result":0.47,"dataset_or_benchmark":0.0,"position_or_commentary":0.0}},"contribution_statement":{"p":0.51,"text":"We parametrize the effect of DM annihilation as an injection of ionizing energy at a rate e_{dm}, and argue that this simple \"on the spot'' modification is a good approximation to the complicated interaction of the annihilation products with the photon-electron plasma.","location":"abstract s2"}},"coverage":{"tier":"abstract","levels_run":["P abstract"],"not_examined":["full text","figures and tables","references and citing sentences","relations to other papers"],"sources_read":["arXiv listing abstract v1"],"levels_not_run":["S sections","T body sentences","C citations","R cross-paper relations"],"sentences_examined":6,"sentences_in_abstract":6},"measured_accuracy":{"url":"https://pith.science/accuracy","measured_on":"2026-10-02","method":"two independent model families labelled a fresh random sample blind; the figure is how often the published label matches their consensus","sentence_role_agreement":0.92,"main_claim_agreement":0.908,"typed_citation_agreement":0.933,"typed_citation_agreement_95_interval":[0.917,0.945],"review_comments_accurate":0.758,"review_comments_accurate_95_interval":[0.684,0.82],"review_caught_admitted_error_found_or_related":0.448}}