With the spectral lines marked and their intensities, wavelengths,Īnd classifications listed. Lamp in the region 1130 Å to 4330 Å is given, Recommended Values of the Fundamental Physical Constants: 1998Īnd (2) accurate theoretical estimates are included for all transitions.Īn atlas of the spectrum of a platinum/neon hollow-cathode reference The numerical values are determined using constants from the most recent Two unique features of this database: (1) all experimental values are onĪ scale consistent with the International System of measurement (the SI) and The elements covered include Z = 10, neon to This X-ray transition table provides the energies and wavelengths for the K and L transitionsĬonnecting energy levels having principal quantum numbers n = 1, 2, 3, and 4. Site is designed to calculate the values as requested. Given the volume of the possible data, this Web Levels and transition frequencies as well as tables of frequencies. This interactive database allows a user to obtain individual energy The values are based on current knowledge of the relevant theoretical contributions including relativistic, quantumĮlectrodynamic, recoil, and nuclear size effects. N = 1 to 200 and all allowed orbital angular momenta l and total angular momenta j. This database provides theoretical values of energy levels of hydrogen and deuterium for principle quantum numbers The wavelengths, intensities, and spectrum assignments are given in a table for eachĮlement, and the resulting total of some 12,000 lines for all elements are also collected into a single table, sorted by The compilation includes data for the neutral and singly-ionized atoms of all elements hydrogen This handbook is designed to provide a selection of the most important and frequently used atomic spectroscopic data inĪn easily accessible format. Handbook of Basic Atomic Spectroscopic Data This form provides access to NIST critically evaluated data on ground states and ionization energies of atoms and atomic ions. Ion displayed in order of energy above the ground state. The levels database contains energy levels of a particular atom or
Transition probabilitiesįor the lines are also displayed where available. Levels displayed in wavelength order with all selected spectra The lines database contains spectral lines and associated energy
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