{"paper":{"title":"Parton Distributions and LHC data","arxiv_id":"1106.1997","primary_cat":"hep-ph","submitted_at":"2011-06-10T09:55:00+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-1.13-20260917 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 v1","sentences":[{"i":0,"p":0.74,"id":"s0","own":false,"role":"contribution","text":"In this contribution we briefly report on the progress and open problems in parton distribution functions (PDFs), with emphasis on their implications for LHC phenomenology.","hedge":{"p":0.59,"label":"asserted"},"own_p":0.31,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.26,"limitation":0.0,"future_work":0.0,"contribution":0.74,"interpretation":0.0}},{"i":1,"p":0.96,"id":"s1","own":true,"role":"contribution","text":"Then we study the impact of the recent ATLAS and CMS W lepton asymmetry data on the NNPDF2.1 parton distributions.","hedge":{"p":0.85,"label":"asserted"},"own_p":0.85,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.15,"role_probabilities":{"gap":0.0,"method":0.04,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.96,"interpretation":0.0}},{"i":2,"p":0.74,"id":"s2","own":true,"role":"result","text":"We show that these data provide the first constrains on PDFs from LHC measurements.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.85,"main_claim_p":0.7,"quantitative":false,"quantitative_p":0.24,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.74,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.26}}]},"compiled":{"main_claim":{"p":1.0,"text":"We show that these data provide the first constrains on PDFs from LHC measurements.","location":"abstract s2","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":2901,"cost_usd_reported":0.000122},"compiled_at":"2026-09-23","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13-20260917","abstract_states":{"claims_first":0.67,"states_limitation":0.37,"human_participants":0.02,"controlled_comparison":0.08,"randomized_assignment":0.01,"states_quantitative_result":0.05,"compares_with_prior_results":0.26,"mentions_code_or_data_availability":0.02},"evidential_basis":{"p":1.0,"value":"analysis of existing data","probabilities":{"argument":0.0,"literature":0.0,"proof_or_derivation":0.0,"analysis_of_existing_data":1.0,"observation_or_experiment":0.0,"simulation_or_computation":0.0}},"contribution_type":{"p":0.6,"value":"review","probabilities":{"review":0.6,"method_or_tool":0.0,"empirical_study":0.26,"simulation_study":0.12,"theoretical_result":0.0,"dataset_or_benchmark":0.0,"position_or_commentary":0.02}},"contribution_statement":{"p":0.76,"text":"Then we study the impact of the recent ATLAS and CMS W lepton asymmetry data on the NNPDF2.1 parton distributions.","location":"abstract s1"}},"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":3,"sentences_in_abstract":3},"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,"review_comments_judged":{"judged_by":["gpt-5.6-luna","grok-4.7"],"judged_against":"Pith's own text copy of each paper: text extracted from the PDF, the first 90,000 characters","measured_on":"2026-10-04","accurate":113,"decided":149,"sampled_reviews":200,"split_by_lane":false,"by_lane":"https://pith.science/accuracy#by-lane"}}}