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Wednesday, February 27, 2019 at 2:00pm
Physical Sciences Building, 401
245 East Avenue
Probing New Forces at Flavor Factories
Abstract: New forces mediated by light weakly coupled particles are ubiquitous in new physics scenarios. If the light particles couple preferentially to muons, their phenomenology becomes more elusive to standard detection techniques opening up viable parameter space to resolve the (g − 2)μ
anomaly, to accommodate sub-GeV dark Matter freeze-out or to reduce the tension between cosmological and local measurement of the Hubble expansion. I will show that this interesting parameter space can be partially probed by looking at kaon decays at NA62. I will discuss two different search strategies designed to hunt the invisible/di-muon decay of a light muon-philic resonance and assess their future reach at NA62. I will compare the merit of this near term proposal with existing searches and with other long term proposals to hunt for muonic forces at dedicated future facilities. Finally I will comment on unexplored possibilities to hunt for muonic forces at B meson factories.
Katerina Malysheva
6072555722
Diego Redigolo
Tel Aviv/IAS
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