Toicnes and Schawlow Microwave Spectroscopy. White. Introduction to Atomic Spectra. The late F. K. Richtmyer was Consulting Editor of the series from its. INTRODUCTION. TO. ATOMIC SPECTRA. BY. HARVEY ELLIOTT WHITE, PH.D,. Assistant Professor of Ph ysics, at the. University of California. McGRAW-HILL. – Buy Introduction to Atomic Spectra book online at best prices in india on Read Introduction to Atomic Spectra book reviews & author.

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With somewhat definite knowledge concerning the quantum number n of the valence electron in the alkali metals, the integers ni and n 2 in Rydberg’s formula may be replaced by the total quantum numbers of the electron energy states. Page 1 of intrkduction Start over Page 1 of 1. Electrons from a filament F are accelerated toward a grid G by applying a potential Vi between them.

Introduction to Atomic Spectra

Fine Structure and the Spin- ning Electron. The two states of a doublet are seen by the figure introduvtion be given by the difference between their T values. Hyperfine Structure and the Land6 Interval Rule. In setting up an orbital model which will be in harmony with the quantum-mechanical model Fig.

This is expecially true in caesium where the observa- tions have been extended to the eighth member. We are justified, therefore, in Table 4. II electrons removed, 3 for doubly ionized lithium, i. The double peaks in Fig.


Full text of “Introduction to Atomic Spectra”

All sections, figures, tables, and equations are assigned two numbers, the first number designating the chapter, and the second the ordinal number in the chapter. In the literature two systems of notation for n and qtomic are found to be in general use. Observation shows that, for the transition of an electron from one energy state to another, definite selection rules are in operation. Normal and Abnormal Series. Relative Intensities of Related Multiplets.

Introduction to atomic spectra | Open Library

Not many years passed before evidence of this kind proved beyond doubt that many of the elements found on the earth were to be found also in the sun. Pauli’s h.e.wjite Permanence Rule.

VIII A relativistic treatment of this problem by Thomas 1 has revealed, in addition to the Larmor precession u La relativity precession w rone-half as great and in the opposite direction. Paschen-Back Effect in Complex Spectra.

It should be mentioned in passing that exceptions to these rules are well known. As a more general case, however, the motion of the electron is three-dimensional. Fine Structure of the Ionized Helium Line 5.

A General Interpretation of the Eigenfunction ty. The accuracy with which Eq.

Weak- field Stark Effect in Hydrogen. In sodium and potassium I.

In this way a spectrum line is described by the number of waves per centimeter in vacuo. If now the atom is to be excited, the last bound and most easily moved electron 2s has the possibility of going to any of h.e.whits higher -virtual states, i.


It should be made clear that the quantum conditions applied to the angular momentum of the electron in Eq. In caesium the intensity ratio starts with 2 and rises to a maximum of 25 in the fifth member, then drops quite abruptly to 4 in the eighth member. For convenience, however, we shall continue to speak of the quantum number n as though it were the quantum number of the electron alone.

What other items do customers buy after viewing this item? The agreement between the calculated and observed values of the first four lines is shown in the following table: As the quantum mechanics leads to a model of hydrogen-like atoms which possess features than can be described in terms of elliptic bu, the size and shape of Sommerfeld’s electron orbits are of interest and will be given here in somewhat more detail.