CH radicals were prepared by photolysis of CHBr3 molecule,and were ionized by the same laser.Monitoring CH+,C+and H+ions signals,the CH REMPI spectrum was obtained in the range of 241-251nm.The CH D2Π(v=2)A2Δ(v=0)...CH radicals were prepared by photolysis of CHBr3 molecule,and were ionized by the same laser.Monitoring CH+,C+and H+ions signals,the CH REMPI spectrum was obtained in the range of 241-251nm.The CH D2Π(v=2)A2Δ(v=0)(1+1) resonance transition was assigned.The rotational constants of CH D2Π(v=2) state were obtained by analyzing the REMPI spectrum.It was found that there is a broad feature peak at 247.6nm in C+mass-specific spectrum.Based on the theoretical result,the broad feature peak is correlated with an unreported predissociation Rydberg state (3 2Π) which converges to CH+(A,1Π) state.展开更多
The one-color resonant two -photon ionization technique is employed to study jetcooled van der Waals(vdW)complex 0-xylene.N2 through the S0-S1 transition Around the band The spectra obtained exhibit rich information a...The one-color resonant two -photon ionization technique is employed to study jetcooled van der Waals(vdW)complex 0-xylene.N2 through the S0-S1 transition Around the band The spectra obtained exhibit rich information about the complex intermolecular vdW vibrational modes.We have tentatively assgned all the observed Spectral features.The structure of the complex has been obtained by calculation of the minimum energy structure.展开更多
文摘CH radicals were prepared by photolysis of CHBr3 molecule,and were ionized by the same laser.Monitoring CH+,C+and H+ions signals,the CH REMPI spectrum was obtained in the range of 241-251nm.The CH D2Π(v=2)A2Δ(v=0)(1+1) resonance transition was assigned.The rotational constants of CH D2Π(v=2) state were obtained by analyzing the REMPI spectrum.It was found that there is a broad feature peak at 247.6nm in C+mass-specific spectrum.Based on the theoretical result,the broad feature peak is correlated with an unreported predissociation Rydberg state (3 2Π) which converges to CH+(A,1Π) state.
文摘The one-color resonant two -photon ionization technique is employed to study jetcooled van der Waals(vdW)complex 0-xylene.N2 through the S0-S1 transition Around the band The spectra obtained exhibit rich information about the complex intermolecular vdW vibrational modes.We have tentatively assgned all the observed Spectral features.The structure of the complex has been obtained by calculation of the minimum energy structure.
