Measurement of the Coherence Time of the Triplet -6P(1) State of Mercury by the Method of Delayed Photon Coincidences.

K.A. Mohamed

Edgar J. Murphy

S. HERON, R. W. P. McWhirter, E. H. Rhoderick

Ali Zaidi, Ian A. McGregor, Hans Kleinpoppen

The electron-photon delayed-coincidence technique was used to measure the coincident photon radiation for the $6^{1}S_{0}\ensuremath{\rightarrow}6^{3}P_{1}\ensuremath{\rightarrow}6^{1}S_{0}$ process of mercury by electron impact. This process, which is found to be partially coherent, has been analyzed with a new parametrization which takes into account spin-orbit coupling.

Martin Popp, G. Sch�fer, Erwin Bodenstedt

R. E. Silverans, G. Borghs, Peter De Bisschop +2 more

The lifetime of the Xe II 5p 4 6p 4 P 5/2 0 level is measured by selective laser excitation of a fast beam of metastable 5p 4 5d 4 D 7/2 xenon ions and observations of the fluorescent light intensity as a function of flight time. Comparison of the obtained mean lifetime tau =7.53+or-0.15 ns with earlier measurements confirms the results of the photon-photon delayed-coincidence technique.