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A high resolution molecular beam measurement of the energy spectra of O 3 photolysis products was performed at 266 nm. (AIP)
The previous effective potentials approach J. Chem. Phys. 70, 3462 (1979) is extended to calculate energy values, approximate wave functions, and effective potentials for the valence electron of the sodiumlike ionized atoms in the n s , n p , and n d states with n =3,...,8.
The simultaneous propagation of lattice phonons and photons in molecular crystals is discussed. The equation of propagation of the modes involving molecular displacements and an electric field is derived based on the concept of dynamic multipoles and taking into account retardation effects. The...
The interaction between two 4 f electrons in a rare‐earth ion by means of the polarization of a ligand in a solid is discussed. It is shown that this interaction gives rise to a host dependent shift of the energy separations between the 4 f N and 4 f N −1 n l configurations. The results of...
Rigid‐rotor calculations within the infinite‐order‐sudden approximation have been performed for K+N 2 and K+CO collisions in the energy range 0.75 eV?E?2.0 eV and for scattering angles 50°?Θ?150°. Simple model potentials have been chosen to reproduce roughly the experimental findings of...
We obtain exact expressions for the mean first passage time to reach a given state in systems described by a master equation. Our results are simple and lend themselves to direct physical interpretation and to a straightforward asymptotic analysis. An asymptotic series is obtained for the mean...
A new method of observing the rotational transitions of weak molecular complexes by combining the techniques of microwave Fourier transform spectroscopy, a Fabry–Perot cavity, and a pulsed nozzle source of molecules is described. High resolution and good sensitivity are achieved. Twelve...
It is shown by comparison calculations on many neutral atoms that excellent representations of the Coulomb energy J and the exchange energy K are A N 2/3 F ρ 4/3 d τ and B F ρ 4/3 d τ, respectively ( A =0.8994, B =−0.7969). It is also proved that J ?1.0918 N 2/3 F ρ 4/3 d τ for all atoms...
The temperature dependence of the paramagnetic shifts in square planar ferrous complexes has been investigated for a number of porphyrin derivatives. Large anomalies in the Curie law have been observed in newly synthesized substituted tetraphenylporphins in which the environment of both faces of...
The spectral distributions and absolute intensities of collision‐induced Raman spectra of helium are obtained at 30 amagat, with incident beam polarizations parallel and perpendicular to the observation. These spectra can readily be separated into the polarized and the depolarized Raman...
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