12 - Excited Level Lifetime Measurements
作者： T.R. O'Brian , J.E. Lawler
DOI: 10.1016/S0076-695X(08)60794-2
关键词:
摘要: The purpose of studying excited level lifetimes is to determine the absolute radiative transition probabilities (or oscillator strengths) needed for quantitative spectroscopy and tests fundamental quantum mechanical principles. probability translates intensity an atomic or molecular absorption emission line into population a particular species in initial transition. From relative abundances various elements, compounds, ionization stages, much information about chemistry dynamics source can be inferred. Many other techniques are used measure strengths (gf values) besides those discussed this chapter. One that deserves special mention, because its potential precision, accuracy, broad applicability, measurement gf values through spectroscopy.
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