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Supernumerary maxillary right second molar

Known as: 2s 
National Institutes of Health

Papers overview

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Highly Cited
1993
Highly Cited
1993
Ionization potential for ground states of berylliumlike systems.
The 1s 2 2s 2 ground-state energies of berylliumlike systems are calculated with a full-core plus correlation method. A partial… 
1993
1993
Close coupling theory of positron-hydrogen scattering
The equations for positron-hydrogen scattering are written as a set of coupled momentum-space Lippmann-Schwinger equations. An… 
Highly Cited
1992
Highly Cited
1992
Nonlinear optical generation with reduced absorption using electric-field coupling in atomic hydrogen.
Resonantly enhanced second-harmonic generation in atomic hydrogen was investigated near 121.6 nm. With the application of a dc… 
1992
1992
Ionization potential for the lithiumlike 1s22s states from Na IX to Ca XVIII.
The ionization potentials of lithiumlike 1s 2 2s states are calculated for systems with nuclear charge Z=11 to 20 using a full… 
1991
1991
Beryllium atom reinvestigated: A comparison between theory and experiment.
We compare the theoretical and experimental energies for the ground state of the beryllium atom and investigate possible sources… 
Highly Cited
1990
Highly Cited
1990
Higher multipole and retardation corrections to the dipole angular distributions of L-shell photoelectrons ejected by polarized photons.
We calculate first-retardation and multipole corrections to the dipole angular distributions of L-shell photoelectrons ejected by… 
1990
1990
Interpretation of substrate photoelectron diffraction.
Azimuthal diffraction patterns of 1s and 2s photoelectrons, of plasmon-loss peaks and inelastic-background intensities, as well… 
1989
1989
One-body potential theory in terms of the phase of wave functions for the ground state of the Be atom.
From the work of Slater, which was formally completed by Kohn and Sham, a one-body potential V(r) can be constructed which will… 
1988
1988
Exciton binding energy in (Al,Ga)As quantum wells: Effects of crystal orientation and envelope-function symmetry.
We report the first observation of 2s-excitonic features in the luminescence of non-(001)-oriented (Al,Ga)As multiple-quantum… 
Highly Cited
1983
Highly Cited
1983
Determination of picogram quantities of Uranium in biological tissues by isotope dilution thermal ionization mass spectrometry with ion counting detection.
A procedure has been developed for the determination of picogram quantities of U in biological matrices by isotope dilution mass…