{"paper":{"title":"Internal structure of resonant Lambda(1405) state in chiral dynamics","arxiv_id":"1012.3232","primary_cat":"nucl-th","submitted_at":"2010-12-15T05:37:48+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":0.9,"id":"s0","own":true,"role":"contribution","text":"The internal structure of the resonant Lambda(1405) state is investigated based on meson-baryon coupled-channels chiral dynamics, by evaluating density distributions obtained from the form factors of the Lambda(1405) state.","hedge":{"p":0.95,"label":"asserted"},"own_p":0.91,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.09,"result":0.0,"background":0.01,"limitation":0.0,"future_work":0.0,"contribution":0.9,"interpretation":0.0}},{"i":1,"p":0.99,"id":"s1","own":true,"role":"method","text":"The form factors are defined as an extension of the ordinary stable particles and are directly evaluated from the meson-baryon scattering amplitude, paying attention to the charge conservation of the probe interaction.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.72,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.99,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":2,"p":0.93,"id":"s2","own":true,"role":"method","text":"For the resonant Lambda(1405) state we calculate the density distributions in two ways.","hedge":{"p":0.9,"label":"asserted"},"own_p":0.9,"main_claim_p":0.02,"quantitative":true,"quantitative_p":0.5,"role_probabilities":{"gap":0.0,"method":0.93,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.07,"interpretation":0.0}},{"i":3,"p":0.98,"id":"s3","own":true,"role":"method","text":"One is on the pole position of the Lambda(1405) in the complex energy plane, which evaluates the resonant Lambda(1405) structure without contamination from nonresonant backgrounds, and another on the real energy axis around the Lambda(1405) resonance energy, which may be achieved in experiments.","hedge":{"p":0.84,"label":"hedged_possibility"},"own_p":0.82,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.23,"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":4,"p":0.97,"id":"s4","own":true,"role":"method","text":"Using sereval probe interactions and channel decomposition, we separate the various contributions to the internal structure of the Lambda(1405).","hedge":{"p":0.98,"label":"asserted"},"own_p":0.94,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.04,"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":5,"p":1.0,"id":"s5","own":true,"role":"result","text":"As a result, we find that the resonant Lambda(1405) state is composed of widely spread Kbar around N, which gives dominant component inside the Lambda(1405), with escaping pi Sigma component.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.81,"quantitative":false,"quantitative_p":0.49,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":6,"p":0.64,"id":"s6","own":true,"role":"contribution","text":"Furthermore, we consider Kbar N bound state without decay channels, with which we can observe the internal structure of the bound state within real numbers.","hedge":{"p":0.73,"label":"asserted"},"own_p":0.88,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.36,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.64,"interpretation":0.0}},{"i":7,"p":0.77,"id":"s7","own":true,"role":"contribution","text":"We also study the dependence of the form factors on the binding energy and meson mass.","hedge":{"p":0.86,"label":"asserted"},"own_p":0.93,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.22,"result":0.01,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.77,"interpretation":0.0}},{"i":8,"p":0.74,"id":"s8","own":true,"role":"interpretation","text":"This verifies that the form factor defined through the scattering amplitude serves as a natural generalization of the form factor for the resonance state.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.82,"main_claim_p":0.1,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.25,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.74}},{"i":9,"p":0.77,"id":"s9","own":true,"role":"interpretation","text":"The relation between the interaction strength and the meson mass shows that the physical kaon mass appears to be within the suitable range to form a molecular bound state with the nucleon through the chiral SU(3) interaction.","hedge":{"p":0.95,"label":"hedged_possibility"},"own_p":0.83,"main_claim_p":0.18,"quantitative":false,"quantitative_p":0.24,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.23,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.77}}]},"compiled":{"main_claim":{"p":1.0,"text":"As a result, we find that the resonant Lambda(1405) state is composed of widely spread Kbar around N, which gives dominant component inside the Lambda(1405), with escaping pi Sigma component.","location":"abstract s5","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":7796,"cost_usd_reported":0.000327},"compiled_at":"2026-09-23","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13-20260917","abstract_states":{"claims_first":0.03,"states_limitation":0.3,"human_participants":0.01,"controlled_comparison":0.1,"randomized_assignment":0.01,"states_quantitative_result":0.08,"compares_with_prior_results":0.29,"mentions_code_or_data_availability":0.02},"evidential_basis":{"p":0.93,"value":"simulation or computation","probabilities":{"argument":0.0,"literature":0.0,"proof_or_derivation":0.07,"analysis_of_existing_data":0.0,"observation_or_experiment":0.0,"simulation_or_computation":0.93}},"contribution_type":{"p":0.71,"value":"theoretical result","probabilities":{"review":0.0,"method_or_tool":0.06,"empirical_study":0.0,"simulation_study":0.23,"theoretical_result":0.71,"dataset_or_benchmark":0.0,"position_or_commentary":0.0}},"contribution_statement":{"p":0.47,"text":"The form factors are defined as an extension of the ordinary stable particles and are directly evaluated from the meson-baryon scattering amplitude, paying attention to the charge conservation of the probe interaction.","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 v2"],"levels_not_run":["S sections","T body sentences","C citations","R cross-paper relations"],"sentences_examined":10,"sentences_in_abstract":10},"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}}