{"paper":{"title":"Studies on the dark sector interaction from joint analysis of cosmological probes","arxiv_id":"2609.04746","primary_cat":"astro-ph.CO","submitted_at":"2026-09-04T05:24:27+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-1.13.0 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 v1","sentences":[{"i":0,"p":0.94,"id":"s0","own":true,"role":"contribution","text":"We test whether constraints on the nonlinear interaction $\\xi$IDE are stable under different treatments of the Type Ia supernovae absolute calibration.","hedge":{"p":0.53,"label":"unclear"},"own_p":0.79,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.08,"role_probabilities":{"gap":0.01,"method":0.02,"result":0.0,"background":0.03,"limitation":0.0,"future_work":0.0,"contribution":0.94,"interpretation":0.0}},{"i":1,"p":0.99,"id":"s1","own":true,"role":"method","text":"\\textit{Fermi} GRBs measurements and the Amati-relation parameters are fitted jointly with PantheonPlus SNe Ia, DESI DR2 BAO, and an updated cosmic-chronometer compilation.","hedge":{"p":0.98,"label":"asserted"},"own_p":0.89,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.14,"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":0.97,"id":"s2","own":true,"role":"method","text":"We compare the PantheonPlus-SH0ES route, which retains the SN absolute calibration, with the PantheonPlus-only route, in which the SN absolute magnitude is analytically marginalized.","hedge":{"p":0.93,"label":"asserted"},"own_p":0.86,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.49,"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":3,"p":1.0,"id":"s3","own":true,"role":"method","text":"The GOLD GRB sample is adopted for the main analysis, while the FULL GRB sample is used to assess sample dependence.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.84,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":1.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"For the interaction parameter $\\gamma\\equiv\\xi+3w$, where $\\gamma=0$ denotes the non-interacting limit, the GOLD sample gives $\\gamma=1.453^{+1.297}_{-1.597}$ for the PantheonPlus-SH0ES and $\\gamma=-0.634^{+1.668}_{-2.486}$ for the PantheonPlus-only.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.06,"quantitative":true,"quantitative_p":0.99,"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":0.56,"id":"s5","own":true,"role":"interpretation","text":"Although the posterior medians correspond to opposite directions of energy transfer, neither route excludes $\\gamma=0$ at 68\\% credibility, and the reconstructed interaction rate remains consistent with zero over the redshift range considered.","hedge":{"p":0.71,"label":"asserted"},"own_p":0.94,"main_claim_p":0.24,"quantitative":true,"quantitative_p":0.97,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.44,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.56}},{"i":6,"p":1.0,"id":"s6","own":true,"role":"result","text":"Replacing the GOLD sample with the FULL sample produces negligible changes in the interaction constraints.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.04,"quantitative":true,"quantitative_p":0.72,"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":7,"p":0.94,"id":"s7","own":true,"role":"result","text":"Moreover, $w$CDM and CPL achieve likelihood improvements comparable to that of $\\xi$IDE, while the information criteria do not consistently favor the interacting model.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.92,"main_claim_p":0.11,"quantitative":true,"quantitative_p":0.92,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.94,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.06}},{"i":8,"p":0.98,"id":"s8","own":true,"role":"result","text":"A redshift-bin diagnostic finds no significant redshift evolution of the Amati relation.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.94,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.14,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.98,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":9,"p":0.59,"id":"s9","own":true,"role":"interpretation","text":"We find no compelling evidence for a dark sector interaction that is robust to the choice of SN calibration or specifically favored 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