{"paper":{"title":"Higgs portal to dark matter and $B\\to K^{(*)}$ decays","arxiv_id":"2003.01788","primary_cat":"hep-ph","submitted_at":"2020-03-03T20:51:19+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-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. 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vertex.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.25,"main_claim_p":0.19,"quantitative":false,"quantitative_p":0.19,"role_probabilities":{"gap":0.58,"method":0.0,"result":0.17,"background":0.24,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":2,"p":0.6,"id":"s2","own":true,"role":"contribution","text":"We clarify this issue by calculating the $b$-$s$-$h_2$ vertex in an arbitrary $R_\\xi$ gauge and demonstrate how the $\\xi$ dependence cancels from physical decay rates involving an on-shell or off-shell $h_2$.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.22,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.37,"result":0.03,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.6,"interpretation":0.0}},{"i":3,"p":0.63,"id":"s3","own":true,"role":"contribution","text":"Then we revisit the $b\\to s h_2$ phenomenology and point out that a simultaneous study of $B\\to K^* h_2$ and $B\\to K h_2$ helps to discriminate between the Higgs portal and alternative models of the Dark Sector.","hedge":{"p":0.62,"label":"asserted"},"own_p":0.69,"main_claim_p":0.28,"quantitative":false,"quantitative_p":0.24,"role_probabilities":{"gap":0.0,"method":0.03,"result":0.05,"background":0.0,"limitation":0.0,"future_work":0.04,"contribution":0.63,"interpretation":0.25}},{"i":4,"p":0.89,"id":"s4","own":false,"role":"future_work","text":"We further advocate for the use of the $h_2$ lifetime information contained in displaced-vertex data with $h_2$ decaying back to Standard-Model particles to better constrain the $h_2$ mass or to reveal additional $h_2$ decay modes into long-lived 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