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Influence of Thermal Radiation on Hot Cluster Decay Rates and Abundances
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作者 Klavs Hansen P. Ferrari 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2019年第2期167-174,I0002,共9页
The influence of radiative cooling on the unimolecular decay rates of free, hot clusters and molecules with unspecified excitation energies is quantified. Two different regimes, dedined by the magnitude of the energy ... The influence of radiative cooling on the unimolecular decay rates of free, hot clusters and molecules with unspecified excitation energies is quantified. Two different regimes, dedined by the magnitude of the energy of the photons emitted, are identified and the boundary between them is given. The boundary is determined in terms of the photon emission rate constants and thermal properties of the particles. Also the abundance spectra are calculated for the continuous cooling case, corresponding to small photon energies. The two regimes correspond to continuous cooling and single photon quenching of the unimolecular decay. The radiative effect can be parametrized by a redefinition of the time each individual cluster has available to undergo evaporation, expressed by an effective radiative time constant. 展开更多
关键词 CLUSTERS Thermal radiation ABUNDANCES Decay rates
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