The two-photon decay rates and photon energy distributions of the metastable 2S1 and 2S3 states of the helium isoelectronic sequence are calculated by variational procedures for the ions He i through Ne ix. © 1969 The American Physical Society
Ab initio calculations of two-photon double ionization of helium with photon energies varying from t...
We consider two-photon double ionization of helium and analyse the electron dynamics in the region w...
Based on quantum electrodynamics, we reexamine the two-photon decay of one-electron atoms. Special a...
A theoretical study of the two-photon emission rate from the 1s2s 1S state of two-electron ions is p...
It has recently been established that the radiative lifetime of the metastable 2S3 state of helium a...
Rates are calculated for the decay of metastable 2s12 ions to the ground state by the simultaneous e...
The doubly exci ted 2s2p 1 P 1 level of Kr 34+ populated via resonant transfer and excitation (RTE) ...
Rates are calculated for the decay of metastable 2s12 ions to the ground state by the simultaneous e...
The Hylleraas-Scherr-Knight variation-perturbation method is applied to the calculation of oscillato...
Accurate eigenvalues and radiative lifetimes are obtained for the bound 2p2 P3 and 2p3p P1 states of...
We have obtained very accurate excitation energies for helium corresponding to the transitions 2p2 3...
The purpose of this paper is to calculate the two-photon decay rate corresponding to the two-photon ...
In He-like systems the decay of the 1s2s {sup 1}S0 excited state to the 1s{sup 2} {sup 1}S0 ground s...
Interpretation of precision measurements of the cosmic microwave background (CMB) will require a det...
International audienceWe have measured the two-photon 2E1 transition from the singlet 1s2s 1S0 to th...
Ab initio calculations of two-photon double ionization of helium with photon energies varying from t...
We consider two-photon double ionization of helium and analyse the electron dynamics in the region w...
Based on quantum electrodynamics, we reexamine the two-photon decay of one-electron atoms. Special a...
A theoretical study of the two-photon emission rate from the 1s2s 1S state of two-electron ions is p...
It has recently been established that the radiative lifetime of the metastable 2S3 state of helium a...
Rates are calculated for the decay of metastable 2s12 ions to the ground state by the simultaneous e...
The doubly exci ted 2s2p 1 P 1 level of Kr 34+ populated via resonant transfer and excitation (RTE) ...
Rates are calculated for the decay of metastable 2s12 ions to the ground state by the simultaneous e...
The Hylleraas-Scherr-Knight variation-perturbation method is applied to the calculation of oscillato...
Accurate eigenvalues and radiative lifetimes are obtained for the bound 2p2 P3 and 2p3p P1 states of...
We have obtained very accurate excitation energies for helium corresponding to the transitions 2p2 3...
The purpose of this paper is to calculate the two-photon decay rate corresponding to the two-photon ...
In He-like systems the decay of the 1s2s {sup 1}S0 excited state to the 1s{sup 2} {sup 1}S0 ground s...
Interpretation of precision measurements of the cosmic microwave background (CMB) will require a det...
International audienceWe have measured the two-photon 2E1 transition from the singlet 1s2s 1S0 to th...
Ab initio calculations of two-photon double ionization of helium with photon energies varying from t...
We consider two-photon double ionization of helium and analyse the electron dynamics in the region w...
Based on quantum electrodynamics, we reexamine the two-photon decay of one-electron atoms. Special a...