{"paper":{"title":"The X17 boson and the d(p,e+ e-)3He and d(n,e+ e-)3H processes: a theoretical analysis","arxiv_id":"2408.16744","primary_cat":"nucl-th","submitted_at":"2024-08-29T17:36:48+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-1.13.0 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":0.98,"id":"s0","own":true,"role":"contribution","text":"The present work deals with the e+ e- pair production in the d(p,e+e-)3He and d(n,e+ e-)3H processes, in order to evidentiate possible effects due to the exchange of a hypothetical low-mass boson, the so-called X17.","hedge":{"p":0.51,"label":"hedged_possibility"},"own_p":0.67,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.02,"limitation":0.0,"future_work":0.0,"contribution":0.98,"interpretation":0.0}},{"i":1,"p":0.87,"id":"s1","own":false,"role":"method","text":"These processes are studied for energies of the incident beams in the range 18-30 MeV, in order to have a sufficient energy to produce such a boson, whose mass is estimated to be around 17 MeV.","hedge":{"p":0.71,"label":"asserted"},"own_p":0.3,"main_claim_p":0.03,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.87,"result":0.0,"background":0.04,"limitation":0.0,"future_work":0.0,"contribution":0.09,"interpretation":0.0}},{"i":2,"p":0.96,"id":"s2","own":true,"role":"method","text":"We first analyze them as a purely electromagnetic processes, in the context of a state-of-the-art approach to nuclear strong-interaction dynamics and nuclear electromagnetic currents, derived from chiral effective field theory chiEFT.","hedge":{"p":0.96,"label":"asserted"},"own_p":0.66,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.96,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.04,"interpretation":0.0}},{"i":3,"p":0.67,"id":"s3","own":true,"role":"contribution","text":"Next, we examine how the exchange of a hypothetical low-mass boson would impact the cross sections for such processes.","hedge":{"p":0.38,"label":"unclear"},"own_p":0.84,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.33,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.67,"interpretation":0.0}},{"i":4,"p":0.8,"id":"s4","own":true,"role":"method","text":"We consider several possibilities, that this boson is either a scalar, pseudoscalar, vector, or axial particle.","hedge":{"p":0.54,"label":"hedged_possibility"},"own_p":0.7,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.8,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.2,"interpretation":0.0}},{"i":5,"p":0.89,"id":"s5","own":false,"role":"contribution","text":"The main aim of the study is to exploit the specular structure of the 3He and 3H nuclei to investigate the isospin dependency of the X17-nucleon interaction, as the alleged \"proto-phobicity\".","hedge":{"p":0.78,"label":"asserted"},"own_p":0.28,"main_claim_p":0.12,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.1,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.89,"interpretation":0.01}}]},"compiled":{"main_claim":{"p":0.96,"text":"The main aim of the study is to exploit the specular structure of the 3He and 3H nuclei to investigate the isospin dependency of the X17-nucleon interaction, as the alleged \"proto-phobicity\".","location":"abstract s5","hedge_strength":{"p":0.78,"label":"asserted"}},"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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