Maurizio Piai (Swansea University)

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Maurizio Piai (Swansea University)

March 15, 2017 @ 4:00 pm - 5:00 pm UTC+0

Large Mass Hierarchies in Strongly-Coupled Dynamics.

We study lattice data on non-Abelian gauge theories in the (near-)conformal regime as well as a simple toy model in the context of gauge/gravity dualities. We focus our attention on the ratio R between the mass of the lightest spin-2 and spin-0 resonances, that for technical reasons is a particularly convenient and clean observable to study. For models in which (non-perturbative) large anomalous dimensions arise dynamically, we show indications that this mass ratio can be large, with R > 5. Moreover, our results suggest that R might be related to universal properties of the IR fixed point.


March 15, 2017
4:00 pm - 5:00 pm UTC+0
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Room 101
2-5 Kirkby Place
Plymouth, PL4 6DT United Kingdom
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