Experiment E760, at the FNAL p Accumulator's dedicated to the study of charmonium formation in pp annihilation. New measurements of the total width and mass of narrow (cc) states and of the partial width of the χ2 state to γγ are presented. The first evidence for the hci(1P1) singlet state is discussed in detail.
ASJC Scopus subject areas
- Nuclear and High Energy Physics