{"paper":{"title":"Dark matter, singlet extensions of the nuMSM, and symmetries","arxiv_id":"1210.6852","primary_cat":"hep-ph","submitted_at":"2012-10-25T14:22:33+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. 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structure.","hedge":{"p":0.66,"label":"hedged_possibility"},"own_p":0.36,"main_claim_p":0.11,"quantitative":false,"quantitative_p":0.12,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.81,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.05,"interpretation":0.13}},{"i":2,"p":0.9,"id":"s2","own":false,"role":"limitation","text":"However, it requires a particular hierarchy of Majorana masses and Yukawa couplings without an obvious origin.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.32,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.09,"method":0.0,"result":0.0,"background":0.01,"limitation":0.9,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":3,"p":0.8,"id":"s3","own":true,"role":"contribution","text":"We show that the hierarchical parameters of the nuNMSM can arise from symmetries broken at or near the Planck scale for two specific examples of this model: one in which phi helps stabilize the electroweak vacuum through a scalar threshold effect and one in which phi is a light inflaton.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.92,"main_claim_p":0.64,"quantitative":false,"quantitative_p":0.31,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.19,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.8,"interpretation":0.0}},{"i":4,"p":0.87,"id":"s4","own":true,"role":"result","text":"Both examples require a complex phi and have several experimental signatures that are distinct from the nuMSM.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.69,"main_claim_p":0.11,"quantitative":false,"quantitative_p":0.41,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.87,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.1,"interpretation":0.02}},{"i":5,"p":0.92,"id":"s5","own":true,"role":"result","text":"These signatures include additional dark radiation that is relativistic at both primordial nucleosynthesis and CMB decoupling and, for 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