U(3) and Pseudo-U(3) Symmetry of the Relativistic Harmonic Oscillator

U(N)-monopoles on black holes

UCN anomalous losses and the UCN capture cross-section on material defects

UCN production by multiphonon processes in superfluid Helium under pressure

UCN transport simulation in solid deuterium crystals

UCN Upscattering rates in a molecular deuterium crystal

UHE gamma ray observations with the KGF air shower array

Ultra cold neutron trap as a tool to search for dark matter with long-range radius of forces

Ultra high energy cosmic ray horizons

Ultra High Energy Neutrinos and Cosmic Rays: a “Vision” for the next decade

Ultra high energy neutrinos from gamma ray bursts

Ultra peripheral heavy ion collisions and the energy dependence of the nuclear radius

Ultra-cold Neutron Production in Anti-ferromagnetic Oxygen Solid

Ultra-heavy nuclei in the Galactic cosmic rays

Ultra-heavy nuclei in the Galactic cosmic rays.

Ultra-Heavy Nuclei in the Source Composition of Cosmic Rays and Their Origin as Related to the Interstellar Matter

Ultra-high energy cosmic ray autocorrelation function after Auger

Ultra-high energy cosmic ray propagation in a magnetized Local Supercluster

Ultra-High Energy Cosmic Rays and Cosmogenic Neutrinos

Ultra-high energy cosmic rays from decaying relic particles.