BSM Primary effects

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• Rick Gupta (Weizmann)
• Friday 06 February 2015, 16:00-17:00
• MR19 (Potter Room, Pavilion B), CMS.

If you have a question about this talk, please contact Marco Nardecchia.

We present a physical parametrisation of the leading effects beyond the SM (BSM), that give us at present the best way to constrain heavy new-physics at low-energies. We call these the BSM Primary effects; there are 8 primaries related to Higgs physics, 3 related to TGCs and 7 related to Z-pole measurements at LEP . Starting from these experimentally measurable deformations (and not operators), we construct the dimenssion 6 Lagrangian in a bottom up way. We, thus, show that other BSM effects are not independent from these ones, and we provide the explicit correlations. We then describe the RG flow of these BSM primary effects and show how these scaling equations allow us to derive RG-induced bounds, stronger than the direct constraints, on the Higgs coupling to vectors and the TGCs. Finally we discuss experimental applications and the theoretical expectation for the size of these BSM primaries in some well-motivated BSM theories.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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