orbital electron

orbital electron

[′ȯr·bəd·əl i′lek‚trän]
(atomic physics)
An electron which has a high probability of being in the vicinity (at distances on the order of 10-10 meter or less) of a particular nucleus, but has only a very small probability of being within the nucleus itself. Also known as planetary electron.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
There are two mechanisms for molecular formation; Radiactive capture and ejection of orbital electron directly by the electrostatic interaction (ESI).
As noted by Martin and Glauber [5], the polarization of the photon in S-state orbital electron capture is also sensitive to the phase of the vector and axial-vector couplings in the low-energy interaction Hamiltonian [14] if the anti-neutrino is no longer assumed to be strictly right-handed.
Going back 57 minutes in their records, they noticed the twin trails of a beta particle and an emitted orbital electron coming from the same spot.
For example, the trace contaminant bismuth-214 decays into polonium-214 by emitting a single beta particle, but the process sometimes dumps enough energy into the bismuth atom to force the ejection of one of the atom's orbital electrons. Such tracks are difficult to distinguish from those left by legitimate double-beta decays.
Their results indicated that the 5f electrons of uranium are similar to the d orbital electrons in the transition elements mainly as parade electron.
The 5 f orbital electrons are hybrid with the 6d electrons.
The crystal structure of ferromagnetic materials will vary under the action of external stress, and then the spin movement and distribution of orbital electrons outside atomic nucleus are influenced.
Generally, a larger atom is more likely to absorb an X-ray photon, since larger atoms have greater energy differences between orbital electrons. Soft tissue in the human body is composed of smaller atoms than the calcium atoms that make up bone, hence there is a contrast in the absorption of X-rays.
The addition of several [PSI] solutions of Schrodinger's equation from many orbital electrons may be effectively modeled by (1), where additional 1/[n.sup.s] terms in (1) contribute to the overall probability distribution of n interacting shells.
Through collisions between the moving electrons and neutral atoms, some of the outer orbital electrons in the neutral atoms absorb enough energy to move into the next higher level orbital.
I rediscovered a note I made to myself, dated in March of 1968, which stated: "Orientation of orbital electrons in a phased matrix may radically change the structure of the crystal array by altering the quantum effects of the binding energy.
Electron backscatter is primarily the result of the electrostatic interaction of incident electrons with the Coulombic field of the atom (essentially the positive charge of the nucleus), which in turn is produced by the total charge of the protons (partially modified by the screening effect of the inner orbital electrons), which is related to the number of each, that is Z.