The recent discovery that neutrinos have masses opens a wide new field of experimentation. Accelerator-made neutrinos are essential in this program. Ideas for future facilities include high intensity muon neutrino beams from pion decay ('SuperBeam'), electron neutrino beams from nuclei decays ('Beta Beam'), or muon and electron neutrino beams from muon decay ('Neutrino Factory'), each associate...

The definition and derivation of flavor neutrino states in the framework of standard Quantum Field Theory is reviewed, clarifying some subtle points. It is shown that a flavor neutrino state that describes a neutrino produced or detected in a charged-current weak interaction process depends on the process under consideration and is appropriate for the description of neutrino oscillations as wel...

Recent results from the Super-Kamiokande experiment [1] have confirmed, with high statistics, the reality of the solar [2] and atmospheric [3] neutrino anomalies. In the case of the atmospheric neutrino anomaly, the SuperKamiokande data can be interpreted as providing evidence that the anomaly is due to neutrino flavor mixing [4], and “long baseline” accelerator and reactor neutrino experiments...

A large number of experiments of different types have provided strong evidence for neutrino oscillations and thus for physics beyond the Standard Model (see Ref. [1] and references therein). Cosmic ray interactions in the atmosphere give a natural source of neutrinos. These atmospheric neutrinos in the GeV range have been used by the Super-Kamiokande (SK) detector to provide evidence for neutri...

The detection of galactic supernova (SN) neutrinos represents one of the future frontiers of lowenergy neutrino physics and astrophysics. The neutron coherence of neutral currents (NC) allows quite large cross sections in the case of neutron rich targets, which can be exploited in detecting earth and sky neutrinos by measuring nuclear recoils. They are relatively cheap and easy to maintain. The...