{"paper":{"title":"Imaging constituent quark shape of proton with exclusive vector meson production at HERA","arxiv_id":"2308.10136","primary_cat":"hep-ph","submitted_at":"2023-08-20T02:26:28+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-1.13.0 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 v2","sentences":[{"i":0,"p":0.67,"id":"s0","own":true,"role":"contribution","text":"We show within proton hot spot picture that the exclusive vector meson production in electron-proton deeply inelastic scattering is sensitive to the individual width of the constituent quarks of the proton.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.88,"main_claim_p":0.6,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.33,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.67,"interpretation":0.0}},{"i":1,"p":0.92,"id":"s1","own":true,"role":"method","text":"For comparison, we calculate the exclusive $J/\\Psi$ production cross-sections in three cases, $\\mathrm{B_u} \\geq \\mathrm{B_d}$, $\\mathrm{B_u} < \\mathrm{B_d}$ and $\\mathrm{B_u}\\neq\\mathrm{B^{\\prime}_u}\\neq\\mathrm{B_d}$, where the $\\mathrm{B_u}$, $\\mathrm{B^{\\prime}_u}$ and $\\mathrm{B_d}$ denote the widths of two up quarks and down quark.","hedge":{"p":0.81,"label":"asserted"},"own_p":0.92,"main_claim_p":0.04,"quantitative":true,"quantitative_p":0.78,"role_probabilities":{"gap":0.0,"method":0.92,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.08,"interpretation":0.0}},{"i":2,"p":1.0,"id":"s2","own":true,"role":"result","text":"We find that only results calculated with $\\mathrm{B_u} \\geq \\mathrm{B_d}$ can give a reasonable description of the exclusive $J/\\Psi$ production cross-section data at HERA.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.46,"quantitative":true,"quantitative_p":0.91,"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":3,"p":0.94,"id":"s3","own":true,"role":"method","text":"To test that our results are independent of the details of the model, we retain the average width of the three constituent quarks unchanged and compute the exclusive $J/\\Psi$ production cross-sections with contribution weight by setting different proportional coefficients ($\\mathrm{W_u}$ and $\\mathrm{W_d}$) for the up and down quarks, respectively.","hedge":{"p":0.72,"label":"asserted"},"own_p":0.96,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.0,"method":0.94,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.06,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"It shows that the results calculated with $\\mathrm{W_u}\\geq\\mathrm{W_d}$ can well reproduce the exclusive $J/\\Psi$ production data at HERA, while the opposite case cannot describe the HERA data.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.18,"quantitative":true,"quantitative_p":0.95,"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":5,"p":1.0,"id":"s5","own":true,"role":"interpretation","text":"These interesting findings seem to indicate that the up quark has more gluons around it than the down quark at high energy although the spatial distribution of gluons fluctuates event-by-event .","hedge":{"p":0.99,"label":"hedged_possibility"},"own_p":0.7,"main_claim_p":0.47,"quantitative":true,"quantitative_p":0.78,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":1.0}},{"i":6,"p":0.63,"id":"s6","own":true,"role":"method","text":"To ensure the relevant results independent of the species of the vector meson, we also calculate the $\\rho$ production cross-sections with the same group of parameters used in the exclusive $J/\\Psi$ production and compare the predictions with the HERA data.","hedge":{"p":0.76,"label":"asserted"},"own_p":0.95,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.18,"role_probabilities":{"gap":0.0,"method":0.63,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.37,"interpretation":0.0}},{"i":7,"p":1.0,"id":"s7","own":true,"role":"result","text":"It shows that all the results computed in the exclusive $\\rho$ productions are consistent with the findings obtained in the exclusive $J/\\Psi$ productions.","hedge":{"p":0.67,"label":"asserted"},"own_p":0.93,"main_claim_p":0.09,"quantitative":false,"quantitative_p":0.35,"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}}]},"compiled":{"main_claim":{"p":0.55,"text":"These interesting findings seem to indicate that the up quark has more gluons around it than the down quark at high energy although the spatial distribution of gluons fluctuates event-by-event .","location":"abstract s5","hedge_strength":{"p":0.99,"label":"hedged possibility"}},"provenance":{"route":{"via":"TypeSafe API","model":"classifier-1.13.0","endpoint":"https://api.typesafe.ai/v1/systemone","provider":"TypeSafe"},"packing":"one request per 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