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Atoms the normal states of which are not S states experience quadrupole-quadrupole repulsive and attractive forces which vary as the inverse fifth power of the separation distance. At large distances, exchange being negligible, the expression for the interaction energy contains as factors two...
It is pointed out that in order to obtain magnetic fields which will allow the ions in the cyclotron to attain high energies it is first necessary to render the field homogeneous within an accuracy of about one part in a thousand. The correction (insertion of "shims") for the most important...
The behavior of partly polarized beams of slow neutrons as regards their precession on passing through homogeneous magnetic fields has been investigated. From the experiments it is concluded that the neutron has a magnetic moment not far from 2 × 1 1840 Bohr magneton and that the sign is...
Additional information is given on the reaction of the balanced space charge detector to fast positive ions in the presence of gas in the tube. The sensitivity of the detector is analyzed, primarily in terms of experimental observations. Further notes on the mechanism of the detector are added.
The general equation for the settling of particles and molecules in a liquid suspension or ideal solution in a centrifuge has been solved for the case of a sector-shaped cell extending to the center of the centrifuge. Curves are given which show the concentration at all points in the cell for...
A representation of all known data on cosmic-ray intensities in their dependence on geomagnetic latitude and on altitude, respectively, depth below sea level, has been obtained on the following assumptions: 1. A soft component consisting of electrons which follow the Bethe-Heitler theory up to...
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