{"paper":{"title":"Dynamical generation of hadronic resonances in effective models with derivative interactions","arxiv_id":"1608.06569","primary_cat":"hep-ph","submitted_at":"2016-08-23T16:35:00+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":0.98,"id":"s0","own":false,"role":"background","text":"Light scalar mesons can be understood as dynamically generated resonances.","hedge":{"p":0.88,"label":"asserted"},"own_p":0.14,"main_claim_p":0.31,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.01,"background":0.98,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":1,"p":0.9,"id":"s1","own":false,"role":"background","text":"They arise as 'companion poles' in the propagators of quark-antiquark seed states when accounting for hadronic loop contributions to the self-energies of the latter.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.14,"main_claim_p":0.15,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.03,"result":0.0,"background":0.9,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.07}},{"i":2,"p":0.68,"id":"s2","own":false,"role":"background","text":"Such a mechanism may explain the overpopulation in the scalar sector - there exist more resonances with total spin $J=0$ than can be described within a quark model.","hedge":{"p":0.99,"label":"hedged_possibility"},"own_p":0.1,"main_claim_p":0.1,"quantitative":true,"quantitative_p":0.64,"role_probabilities":{"gap":0.04,"method":0.0,"result":0.0,"background":0.68,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.28}},{"i":3,"p":0.62,"id":"s3","own":true,"role":"contribution","text":"Along this line, we study an effective Lagrangian approach where the isovector state $a_{0}(1450)$ couples via both non-derivative and derivative interactions to pseudoscalar mesons.","hedge":{"p":0.92,"label":"asserted"},"own_p":0.83,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.26,"role_probabilities":{"gap":0.0,"method":0.38,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.62,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"It is demonstrated that the propagator has two poles: a companion pole corresponding to $a_{0}(980)$ and a pole of the seed state $a_{0}(1450)$.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.92,"main_claim_p":0.28,"quantitative":true,"quantitative_p":0.76,"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":"The positions of these poles are in quantitative agreement with experimental data.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.87,"main_claim_p":0.17,"quantitative":false,"quantitative_p":0.27,"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":0.59,"id":"s6","own":true,"role":"contribution","text":"Besides that, we investigate similar models for the isodoublet state $K_{0}^{\\ast}(1430)$ by performing a fit to $\\pi K$ phase shift data in the $I=1/2,$ $J=0$ channel.","hedge":{"p":0.88,"label":"asserted"},"own_p":0.94,"main_claim_p":0.04,"quantitative":true,"quantitative_p":0.63,"role_probabilities":{"gap":0.0,"method":0.41,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.59,"interpretation":0.0}},{"i":7,"p":1.0,"id":"s7","own":true,"role":"result","text":"We show that, in order to fit the data accurately, a companion pole for the $K_{0}^{\\ast}(800)$, that is, the light $\\kappa$, is required.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.93,"main_claim_p":0.18,"quantitative":false,"quantitative_p":0.24,"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":8,"p":0.63,"id":"s8","own":true,"role":"result","text":"A large-$N_{c}$ study confirms that both resonances below $1$ GeV are predominantly four-quark states, while the heavy states are quarkonia.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.84,"main_claim_p":0.3,"quantitative":true,"quantitative_p":0.84,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.63,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.36}}]},"compiled":{"main_claim":{"p":0.54,"text":"Light scalar mesons can be understood as dynamically generated resonances.","location":"abstract s0","hedge_strength":{"p":0.88,"label":"asserted"}},"provenance":{"route":{"via":"TypeSafe 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