Now showing items 11-20 of 32
Density in a Simple Model of the Exosphere
(The American Institute of Physics, 1962-09)
The particle density of a simple model of the exosphere is obtained by solving exactly the collisionless Boltzmann equation. The main point of the solution is that it is a discontinuous, multivalued function of the constants ...
On the Problem of Pulsed Oscillations in Ruby Maser
(The American Institute of Physics, 1962-01)
It is shown by means of a semiquantitative nonlinear analysis that elementary interaction between an inverted electron spin system and a resonant cavity does not give rise to the pulsed mode of operation of the ruby maser ...
An Analysis of the Maser Oscillator Equations
(The American Institute of Physics, 1962-04)
This paper analyses the maser oscillator equations which describe the interaction between the resonant cavity and the inverted population of the electron spin system of the paramagnetic substance. It is shown that these ...
Optical Measurement of Spectra of Two‐Dimensional Functions
(The American Institute of Physics, 1962-03)
The principle of an optical computer for the measurement of two‐dimensional spectral and cross‐spectral densities is described. The performance of one of the experimental arrangements is checked by measuring the spectral ...
Motion of Small Suspended Particles in Nonuniform Gases
(The American Institute of Physics, 1962-02-01)
The motion of small suspended particles in a gas or gas mixture containing gradients of temperature, pressure, or composition is derived as a special case of the Chapman‐Enskog kinetic theory of gases, by formally treating ...
Momentum Transfer to an Atom in a Molecule: Internal Excitation and Bond Dissociation
(The American Institute of Physics, 1962-02-15)
An atom will dissociate from a compound if the atom receives a recoil momentum greater than some average value Q0. Considering a polyatomic molecule as composed of point‐mass atoms, there is derived an equation which relates ...
Oscillations in a Relativistic Plasma
(The American Institute of Physics, 1962-04)
The linear oscillations in a hot plasma which is representable by the relativistic Vlasov equation with the self‐consistent fields are investigated. The generalization of Bernstein's method for the relativistic case is ...
Evaluation of the Intermolecular Potential Well Depth from Observations of Rainbow Scattering: Cs☒Hg and K☒Hg
(The American Institute of Physics, 1962-04-01)
The lowest T = 0 states in the odd N = Z nuclei with A > 40
(Elsevier, 1962)
There is indication that the lowest T = 0 and T = 1 states are inverted not only in Cl34 but also in Sc42, V46, Mn50 and Co54. Isomerism in all these nuclei is likely.
Infrared Absorption Spectrum of CD4 at 4500 cm—1
(The American Institute of Physics, 1962-06-15)
A high‐resolution infrared absorption spectrum is presented for the region of the first overtone of the triply degenerate vibrational fundamental ν3 of CD4. The measured lines between 4430 and 4550 cm—1 are reproduced and ...