A PRODUCTION IN e+e- ANNIHILATICN AT 29 GeV
H. Aihara · eScholarship (California Digital Library) · 1984
The inclusive production cross section of A, A in e+ e-annihilation at a c.m. energy of 29 GeV has been measured with the TPC detector at PEP.The average A, A multiplicity has been measured to be 0.197 ± 0.012(stat.)±0.017(syst.).A-A pairs have been observed in jets for the first time, and the average number of A-A pairs per event has been measured to be 0.042 ± 0.017 ± 0.014.