{"id":"W4417214644","doi":"10.1016/j.physletb.2025.140094","title":"Probing hard/soft factorization via beam-spin asymmetry in exclusive pion electroproduction from the proton","year":2025,"lang":"en","type":"article","venue":"Physics Letters B","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Nuclear Physics; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Office of Science; University of York; National Research Foundation of Korea; U.S. Department of Energy; University of Regina; Ohio University; Catholic University of America; National Science Foundation","keywords":"Asymmetry; Pion; Factorization; Proton; Meson; Parton; Nucleon; Electron; Cross section (physics)","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007348883,0.0004113639,0.0001993372,0.0004417624,0.0002073395,0.0005007722,0.0002604376,0.0001824658,0.0007751302],"category_scores_gemma":[0.0007136536,0.0002677755,0.0001684911,0.0002879803,0.0003832874,0.0004988834,0.0004795723,0.0002796998,0.0001702574],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002816533,"about_ca_system_score_gemma":0.0001904255,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008086763,"about_ca_topic_score_gemma":0.001351765,"domain_scores_codex":[0.9998108,0.00005294162,0.00000770505,0.00004932044,0.00004435723,0.00003486533],"domain_scores_gemma":[0.9996237,0.000196771,0.00007725824,0.00005991655,0.0000228332,0.00001959157],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0020412,0.0001044335,0.03777003,0.0001713802,0.00005991987,0.0005434105,0.0003582518,0.01818106,0.9175128,0.004492219,0.00007534466,0.01869003],"study_design_scores_gemma":[0.00004602147,0.0004496372,0.04313291,0.00001113627,0.00003176733,0.0002851928,0.0001384619,0.06291939,0.8897255,0.002743626,0.000469162,0.00004714488],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9949804,0.00007881217,0.004006363,0.000006983926,0.000001263519,0.000004163628,0.00007679714,0.00002540728,0.0008197471],"genre_scores_gemma":[0.9988909,0.00003957094,0.0008733314,0.000004531168,5.601805e-7,0.000004687955,0.00004474752,0.000005353276,0.0001361816],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0008086763,"threshold_uncertainty_score":0.003886521,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007821061321117553,"score_gpt":0.2494875359555538,"score_spread":0.2416664746344363,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}