摘要: The K* was first seen by Alston et al. (1961) in the reaction $${K^ - } + p \to {\bar K^0} {\pi ^ p$$ (17.1) at an incident K- momentum of 1.15 Gev/c. Its mass and width are $$M = 888 \pm 3{\text{MeV}},\quad \Gamma 50 10{\text{MeV}}{\text{.}}$$ .