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Towards LHC Physics with Non-local Standard Model

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arxiv 1407.3331 v3 pith:PKEVTZU6 submitted 2014-07-12 hep-ph gr-qchep-th

Towards LHC Physics with Non-local Standard Model

classification hep-ph gr-qchep-th
keywords nonlocalmodelstandardfieldgaugemodificationstowardsabelian
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We take a few steps towards constructing a string-inspired nonlocal extension of the Standard Model. We start by illustrating how quantum loop calculations can be performed in nonlocal scalar field theory. In particular, we show the potential to address the hierarchy problem in the nonlocal framework. Next, we construct a nonlocal abelian gauge model and derive modifications of the gauge interaction vertex and field propagators. We apply the modifications to a toy version of the nonlocal Standard Model and investigate collider phenomenology. We find the lower bound on the scale of non-locality from the 8 TeV LHC data to be $2.5-3$ TeV.

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