9 research outputs found
A possible resolution of the CDF psi^prime anomaly
We consider the contribution of radially excited 2^3P_{1,2} states to
psi^prime production at the Tevatron energy. Production of these states via the
conventional gluon fusion mechanism and via gluon and charm quark fragmentation
processes is considered. We find that it is possible to account for the data on
psi^prime production from the CDF experiment, by taking into account the decays
of these 2^3P_{1,2} states into psi^prime.Comment: 8 pages + 1 figure (available upon request), CERN-TH.7434/9