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dc.contributor.authorGherghetta, Tony
dc.contributor.authorKersten, Jörn
dc.contributor.authorOlive, Keith A.
dc.contributor.authorPospelov, Maxim
dc.PublishedGherghetta, Kersten JA, Olive KA, Pospelov M. Evaluating the price of tiny kinetic mixing. Physical Review D. 2019;100(9):095001eng
dc.description.abstractWe consider both “bottom-up” and “top-down” approaches to the origin of gauge kinetic mixing. We focus on the possibilities for obtaining kinetic mixings ϵ which are consistent with experimental constraints and are much smaller than the naive estimates (ϵ ∼ 10−2–10−1) at the one-loop level. In the bottom-up approach, we consider the possible suppression from multiloop processes. Indeed we argue that kinetic mixing through gravity alone, requires at least six loops and could be as large as ∼10−13. In the top-down approach we consider embedding the Standard Model and a Uð1Þ X in a single grand-unified gauge group as well as the mixing between Abelian and non-Abelian gauge sectors.en_US
dc.publisherAmerican Physical Societyen_US
dc.rightsAttribution CC BYeng
dc.titleEvaluating the price of tiny kinetic mixingen_US
dc.typePeer reviewed
dc.typeJournal article
dc.source.journalPhysical Review D

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