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Eventi - 22 maggio 2018

14:30

The Neutrino Portal: sterile neutrinos, cosmology and other signatures​

Luca Vecchi (EPFL)

22 maggio 2018 @ 14:30 - 16:00

I discuss scenarios in which a dark light sector couples to the Standard Model via the so-called “neutrino portal”. A generic implication of this framework is the existence of gauge-singlet fermions (sterile neutrinos) that act as messengers between the dark sector and the active neutrinos. I show under which conditions cosmological constraints become inefficient and ...

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Plasma sources for plasma-based acceleration experiments

22 maggio 2018 @ 14:30 - 16:00

New generation of particle accelerators is based on the excitation of large amplitude plasma waves driven by either electron or laser beams, named as Plasma Wakefield Accelerator (PWFA) and Laser Wakefield Accelerator (LWFA), respectively. The amplitude of the waves, as well as their spatial dimensions and the consequent accelerating gradient depend strongly on the local ...

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