{"paper":{"title":"The role of spin polarization in event-by-event fluctuations","arxiv_id":"2610.41386","primary_cat":"nucl-th","submitted_at":"2026-10-30T07:51:43+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. 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properties.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.05,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.91,"method":0.0,"result":0.0,"background":0.09,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":2,"p":0.76,"id":"s2","own":true,"role":"method","text":"This work constrains the correlation function between the initial eccentricity and the asymmetry by employing a parton distribution function that incorporates spin polarization induced by thermal vorticity and thermal shear.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.93,"main_claim_p":0.09,"quantitative":false,"quantitative_p":0.06,"role_probabilities":{"gap":0.0,"method":0.76,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.24,"interpretation":0.0}},{"i":3,"p":1.0,"id":"s3","own":true,"role":"result","text":"Based on the kinetic theory calculations, we found that the asymmetry fluctuations considering spin polarization have a significant splitting effect compared to those without spin polarization.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.24,"quantitative":true,"quantitative_p":0.81,"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":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"These splitting exhibit pronounced system size and energy dependence.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.81,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.12,"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":"result","text":"Moreover, the ratios of correlation function display similar system size and energy dependence--particularly in the low-temperature regime ($T \\lesssim$ 0.12 GeV).","hedge":{"p":1.0,"label":"asserted"},"own_p":0.86,"main_claim_p":0.08,"quantitative":true,"quantitative_p":0.94,"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":1.0,"id":"s6","own":false,"role":"interpretation","text":"These results suggest that spin polarization may serve as a useful constraint method for the event-by-event initial state fluctuations of heavy-ion collisions.","hedge":{"p":1.0,"label":"hedged_possibility"},"own_p":0.43,"main_claim_p":0.9,"quantitative":false,"quantitative_p":0.04,"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}}]},"compiled":{"main_claim":{"p":1.0,"text":"These results suggest that spin polarization may serve as a useful constraint method for the event-by-event initial state fluctuations of heavy-ion collisions.","location":"abstract 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