Proceedings of science, PoS LATTICE2014 (2015) 015 Recent results on the hadron spectroscopy from lattice QCD are reviewed with emphasis on the meson sector and in particular on quarkonium-like XYZ states. The manuscript reports on the first rigorous treatment of the near-threshold states X(3872) and Ds0(2317), and the lattice searches for Z+c (3900), X(4140) and double-charm tetraquark states. Meson resonances in light, strange and charm sector are reviewed, where the resonances masses as well as the strong decay widths are reported. The first lattice QCD simulation of two coupled-channels is discussed.

B.04 Guest lecture

COBISS.SI-ID: 2806628In this lecture, I reviewed the theory of charm quark physics and its state of the art. I presented the most recent advances in our understanding of D meson oscillations and decays, especially in conjunction with CP violation both within and beyond the standard model. Finally, I highlighted several important observables which might elucidate the mechanisms of charming flavor and CP violation, and which will be accessible at upcoming experiments.

B.04 Guest lecture

COBISS.SI-ID: 28594215It is shown that the minimal renormalizable supersymmetric SU(5) is still realistic providing the supersymmetric scale is at least few tens of TeV or large R-parity violating terms are considered. In the first case the vacuum is metastable, and different consistency constraints can give a bounded allowed region in the tan(beta) − m(susy) plane. In the second case the mass eigenstate electron (down quark) is a linear combination of the original electron (down quark) and Higgsino (heavy colour triplet), and the mass ratio of bino and wino is determined. Both limits lead to light gravitino dark matter.

B.04 Guest lecture

COBISS.SI-ID: 29034791Neutrinos are one of the most mysterious elementary particles; they flood our entire universe, but we still do not know everything about them. Recent measurements of neutrino oscillations show that they have a mass, a discovery for which the physics Nobel prize was recently awarded. In a public lecture we discussed about the consequences of these measurements and presented the puzzle of neutrino mass origin. We were particularly interested whether they also posess the same mass origin as the rest of the known particles, for which the Higgs mechanism works. We outlined the searches for these questions, from searches of processes at the Large Hadron Collider to rare nuclear decays.

B.06 Other

COBISS.SI-ID: 28984103Recent experimental bounds on rare charm decays offer a chance to improve our theoretical understanding of physics present in c → u γ andc→ u ll transitions. Standard Model and New Physics contributions are reviewed for inclusive and exclusive D → V γ, D→ ll, D→ P ll decays. Observables important for search of New Physics are discussed. Possibility to observe CP violation in rare charm decays is questioned.

B.04 Guest lecture

COBISS.SI-ID: 2825060