{"paper":{"title":"Single Top-Quark Production in Flavor-Changing Z' Models","arxiv_id":"hep-ph/0602175","primary_cat":"hep-ph","submitted_at":"2006-02-20T00:58:51+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-1.13-20260917 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":1.0,"id":"s0","own":false,"role":"background","text":"In some models with an extra U(1) gauge boson Z', the gauge couplings of the Z' to different generations of fermions may not be universal.","hedge":{"p":1.0,"label":"hedged_possibility"},"own_p":0.04,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":1.0,"id":"s1","own":false,"role":"background","text":"Flavor mixing in general can be induced at the tree level in the up-type and/or down-type quark sector after diagonalizing their mass matrices.","hedge":{"p":0.56,"label":"hedged_possibility"},"own_p":0.07,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":2,"p":0.81,"id":"s2","own":false,"role":"contribution","text":"In this work, we concentrate on the flavor mixing in the up-type quark sector.","hedge":{"p":0.91,"label":"asserted"},"own_p":0.49,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.0,"background":0.08,"limitation":0.1,"future_work":0.0,"contribution":0.81,"interpretation":0.0}},{"i":3,"p":0.54,"id":"s3","own":true,"role":"contribution","text":"We deduce a constraint from D0-D0bar mixing.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.94,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.13,"role_probabilities":{"gap":0.0,"method":0.28,"result":0.17,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.54,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"contribution","text":"We study in detail single top-quark production via flavor-changing Z' exchange at the LHC and the ILC.","hedge":{"p":0.94,"label":"asserted"},"own_p":0.92,"main_claim_p":0.08,"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":1.0,"interpretation":0.0}},{"i":5,"p":1.0,"id":"s5","own":true,"role":"result","text":"We found that for a typical value of M_{Z'}=1 TeV, the production cross section at the LHC can be of the order of 1 fb.","hedge":{"p":0.85,"label":"asserted"},"own_p":0.94,"main_claim_p":0.17,"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":6,"p":0.52,"id":"s6","own":true,"role":"limitation","text":"However, the background from the Standard Model single top-quark production makes it difficult to detect the flavor-changing Z' signal unless with a decent charm tagging method.","hedge":{"p":0.97,"label":"asserted"},"own_p":0.69,"main_claim_p":0.13,"quantitative":false,"quantitative_p":0.14,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.25,"background":0.0,"limitation":0.52,"future_work":0.0,"contribution":0.0,"interpretation":0.23}},{"i":7,"p":1.0,"id":"s7","own":true,"role":"result","text":"On the other hand, at the ILC, the production cross section at the resonance energy of \\sqrt{s} \\approx M_{Z'} can reach a size of more than 100 fb.","hedge":{"p":0.97,"label":"asserted"},"own_p":0.91,"main_claim_p":0.22,"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":8,"p":0.99,"id":"s8","own":true,"role":"result","text":"Even away from the resonance, the cross section at ILC is shown to be larger than the threshold of observability of 0.01 fb.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.9,"main_claim_p":0.18,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.99,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}}]},"compiled":{"main_claim":{"p":0.66,"text":"Even away from the resonance, the cross section at ILC is shown to be larger than the threshold of observability of 0.01 fb.","location":"abstract 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