Seminario Generale INFN
Lunedi' 21 Maggio 2018
The field of MeV neutrino detection using the Inverse-Beta-Decay interaction (IBD) was pioneered by Cowan&Reines, upon the neutrino discovery (1956 - Nobel prized). Actually, Cowan&Reines paved much of the neutrino detection principle exploited and improved for ~70 years by a long legacy of liquid scintillator and water Cherenkov detectors. In this seminar, first, I will shortly review a few examples of the "ultimate perfection” yielded in the last decade with scintillating detectors. Many of those detectors have embodied among the most successful contributions to the the neutrino oscillations field (Nobel prize 2015). Despite success, today’s technology is known to have important limitations. So, second, I shall review some of the key limitations while illustrating (for the first time) a new R&D detection technology intending to go beyond the "Cowan&Reines paradigm” incorporating unprecedented event ID capability. This technology (called LiquidO) is expected to allow detection beyond native IBD interaction thus opening, if successful, for fundamental research neutrino physics beyond today's reach.
Seminario di Gruppo IV INFN
Mercoledi' 23 Maggio 2018
Bad metals are clean systems with poor conductivity that do not admit a description in terms of long-lived degrees of freedom. Hydrodynamics can account for bad metal phenomenology without providing a precise explanation of the dynamical mechanism at work. Holography offers UV completions which allow to relate the hydrodynamic parameters (such as the rate of momentum dissipation) to the UV details of the model, like the sources and the symmetry pattern. Following the RG flow, one can explicitly get the T dependence of the hydro parameters. One can study the higher non-hydro modes too. Complementary, holography is useful also in completing hydrodynamics from "below", helping in the construction of zero temperature effective theories and candidate ground states to connect the hydrodynamic features to the structure of Goldstone low energy modes.
(qui potete trovare anche tutte le
slides dei seminari tenuti in sezione seguendo il path: Strutture INFN -->
Genova --> Seminari)
(qui potete trovare anche tutte le slides dei seminari tenuti in sezione seguendo il path: Strutture INFN --> Genova --> Seminari)
pagina e' aggiornata da
Segreteria Scientifica INFN
Sezione di Genova