Seminarium "Teoria cząstek elementarnych i kosmologia"

Neutrinos were discovered more than 60 years ago, yet they are the most mysterious particles of the Standard Model (SM) of particle physics. In order to further explore the neutrino sector, next-generation, long-baseline neutrino oscillation experiments are being built, including the DUNE and Hyper-K experiments. Given the intense neutrino beam, the massive fardetector, and the envisaged scale of the near detector, these experiments will certainly offer a rich physics program.  In this seminar I aim to explain how we can search for physics beyond the Standard Model (BSM) at neutrino experiments and unify neutrino and collider information in new physics searches within single, quantitative frameworks. I will first give a general introduction on the current status of neutrino physics. Then I will discuss how we can search for new particles and/or interactions at neutrino experiments with the goal of combining the results with the ones of colliders. I will explain how this can be done via two complementary approaches, 1) Direct search of dark sectors, where I will use these experiments for searches of specific new particles, including light dark matter or axion-like particles, etc; 2) Indirect search of new physics, where I will demonstrate how to use the systematic framework of Effective Field Theory at neutrino experiments, where the results can be combined with the results of other low or high energy experiments, such as the LHC. Finally, I will discuss future collider prospects, such as neutrino physics at a muon collider.
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