Observation of scattering and absorption centers in lead fluoride crystals

Observation of stellar neutrinos

Observation of strong final-state effects in pi+ production in pp collisions at 400 MeV

Observation of strong isospin mixing in proton emission from the astrophysically interesting isobaric analog state in 23Mg

Observation of the antimatter helium-4 nucleus

Observation of the Astrophysically Important 3^+ State in ^18Ne via ^17F(p,p) with a Radioactive ^17F Beam

Observation of the beta decay of 180Hfm

Observation of the Charge Symmetry Breaking d + d -> 4He + pi0 Reaction Near Threshold

Observation of the collective flow in proton-proton collisions

Observation of the Feynman scaling in cosmic rays experiments

Observation of the First Excited State in 23O

Observation of the fluxes of nuclei with energies 10-20 MEV per nucleon during the solar flare of April 26, 1984

Observation of the Isotopic Evolution of Pressurized Water Reactor Fuel Using an Antineutrino Detector

Observation of the lowest energy gamma-ray in any superdeformed nucleus : 196Bi

Observation of the Mott Effect in Heavy Ion Collisions

Observation of the n(3He,t)p Reaction by Detection of Far-Ultraviolet Radiation

Observation of the scissors mode in the quasicontinuum

Observation of Thermodynamical Properties in the $^{162}$Dy, $^{166}$Er and $^{172}$Yb Nuclei

Observation of time correlation in cosmic air shower network

Observation of two-hole states at high excitation energy in (p, t) reactions