INFN-LNF Laboratori Nazionali di Frascati
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13:00
Light Dark Sectors @ LNF (LDS@LNF)
The Workshop on Light Dark Sectors @ LNF (LDS@LNF) will gather researchers to discuss recent progress in the study of light dark sectors (covering light dark matter, axion-like particles, dark photons, and related scenarios). The program will cover topics ranging from theoretical motivations to novel experimental strategies, with the aim of encouraging exchanges and fostering …
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Physics of θ-Vacua and Inevitability of Axions in Standard Model and Gravity.
Speaker: Gia Dvali (LMU and MPP. Munich) In this talk we first review why the CP-violating θ-vacuum is a built-in feature of QCD and how the mass of the η′-meson provides a direct experimental evidence for it. We then explain how the axion protects CP dynamically and define the axion-quality measure. This discussion, in particular, …
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