L shell

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L shell

the next lowest energy level of electrons in the atom, after the K shell (q.v.).

L shell

(shell)
The next lowest energy level of electrons in the atom, after the K shell.
References in periodicals archive ?
Graphing software on the XRF and a companion proprietary PC software program (Thermo Scientific NDT[C] Software Suite) were used to observe whether both characteristic L-shell peaks of lead were present at specific energy levels: 10.
Signal-to-noise ratios are worse in K-shell x-rays than in L-shell
Measurements are performed by using one of four kinds of XRF: two involve fluorescence of the K-shell electrons of Pb (K-XRF), and the other two involve fluorescence of the L-shell electrons (L-XRF) (Todd et al.
McGuire, Atomic L-Shell Coster-Kronig, Auger, and Radiative Rates and Flourescence Yields for Na-Th, Phys.