Forme e modelli del sonetto di Saba

This thesis examines the form of the sonnet in Umberto Saba’s work, focusing on its evolution throughout the author’s entire poetic production. The analysis, which considers all known forms of every sonnet written by Saba, concentrates particularly on four areas, identified through the study of Versi militari, which in some respects represent the most significant moment in Saba’s use of the sonnet. The four areas are: the rhyme schemes of the quatrains, the rhyme schemes of the tercets, the ...

Search for CP violation in D0 → K+K− decays using D0 → K01 π+π− decays as calibration mode

A search for time-dependent violation of the charge-parity (CP) symmetry, A_CP(KK), in the D^0->K^+K^- decay is performed at the LHCb experiment using proton-proton collision data recorded from 2016 to 2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb^-1.The D^0 meson is required to originate from a D^*+->D^0π+ decay, such that its flavor at production is identified by the charge of the accompanying pion.Nuisance asymmetries are subtracted u...

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Emulating the first billion years of the Universe

The first detection of the 21-cm signal is now within reach with the upcoming Square Kilometre Array (SKA). The SKA is expected to deliver tomographic maps of the 21-cm signal across more than half of the observable Universe, providing transformative constraints on the astrophysical and cosmological processes that shaped its evolution. At present, however, such measurements remain out of reach, primarily due to challenges in data analysis and interpretation. Instead, we only have upper limi...