{"paper":{"title":"Low mass dilepton radiation at RHIC","arxiv_id":"0712.1982","primary_cat":"nucl-th","submitted_at":"2007-12-12T17:07:41+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":0.99,"id":"s0","own":true,"role":"contribution","text":"In this work we discuss the emission of low mass dilepton radiation from a hydrodynamic evolution model of Au-Au collisions and make comparisons with recent PHENIX measurements.","hedge":{"p":0.54,"label":"unclear"},"own_p":0.83,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.31,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.99,"interpretation":0.0}},{"i":1,"p":0.98,"id":"s1","own":true,"role":"method","text":"The dilepton emission rates from the hadronic phase are treated at finite temperature and baryon density and are completely constrained by broken chiral symmetry in a density expansion.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.59,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.98,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.02,"interpretation":0.0}},{"i":2,"p":0.98,"id":"s2","own":false,"role":"method","text":"The rates are expressed in terms of vacuum correlators which are measured in $e^+e^-$ annihilation, $\\tau$ decays and photo-reactions on nucleons and nuclei.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.14,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.98,"result":0.0,"background":0.01,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":3,"p":0.9,"id":"s3","own":true,"role":"method","text":"We consider two possibilities for the hadronic phase: A chemical equilibrated an off equilibrium hadronic gas.","hedge":{"p":0.43,"label":"asserted"},"own_p":0.54,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.9,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.1,"interpretation":0.0}},{"i":4,"p":0.98,"id":"s4","own":true,"role":"result","text":"We find that while chemical off-equilibrium helps explain part of the low mass (0.15 $\\leq$ M GeV $\\leq$ 0.7) enhancement seen in the data there is still a large discrepancy.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.82,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.98,"background":0.0,"limitation":0.01,"future_work":0.0,"contribution":0.0,"interpretation":0.01}}]},"compiled":{"main_claim":{"p":1.0,"text":"We find that while chemical off-equilibrium helps explain part of the low mass (0.15 $\\leq$ M GeV $\\leq$ 0.7) enhancement seen in the data there is still a large discrepancy.","location":"abstract s4","hedge_strength":{"p":1.0,"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":4361,"cost_usd_reported":0.000183},"compiled_at":"2026-09-23","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13-20260917","abstract_states":{"claims_first":0.03,"states_limitation":0.93,"human_participants":0.01,"controlled_comparison":0.14,"randomized_assignment":0.01,"states_quantitative_result":0.71,"compares_with_prior_results":0.93,"mentions_code_or_data_availability":0.02},"evidential_basis":{"p":0.87,"value":"simulation or computation","probabilities":{"argument":0.0,"literature":0.01,"proof_or_derivation":0.0,"analysis_of_existing_data":0.12,"observation_or_experiment":0.0,"simulation_or_computation":0.87}},"contribution_type":{"p":0.88,"value":"simulation study","probabilities":{"review":0.0,"method_or_tool":0.0,"empirical_study":0.0,"simulation_study":0.88,"theoretical_result":0.12,"dataset_or_benchmark":0.0,"position_or_commentary":0.0}},"contribution_statement":{"p":0.76,"text":"In this work we discuss the emission of low mass dilepton radiation from a hydrodynamic evolution model of Au-Au collisions and make comparisons with recent PHENIX measurements.","location":"abstract s0"}},"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 v2"],"levels_not_run":["S sections","T body sentences","C citations","R cross-paper relations"],"sentences_examined":5,"sentences_in_abstract":5},"measured_accuracy":{"url":"https://pith.science/accuracy","measured_on":"2026-10-02","method":"two independent model families labelled a fresh random sample blind; 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