Now showing items 31-40 of 72
Two examples illustrating the differences between classical and quantum mechanics
(Springer-Verlag, 1973-06)
Two examples are presented: The first shows that a potential V ( x ) can be in the limit circle case at ∞ even if the classical travel time to ∞ is infinite. The second shows that V ( x ) can be in the limit point case at ...
Determining the phase of line objects by measuring their intensity in dark field and bright field illumination
(Elsevier, 1973-06)
The in situ phase of a transparent line object can be calculated from measurements of its bright field and dark field intensity. If the sampling aperture is a slit, the background can be subtracted out for increased accuracy. ...
The effect of conjugate photoelectron impact ionization on the pre-dawn ionosphere
(Elsevier, 1973-12)
Theoretical calculations using photoelectron fluxes measured by a soft particle spectrometer on ISIS-2 as input data show that impact ionization by photoelectrons arriving from the sunlit conjugate region is insignificant ...
Toward a general description of two-body hadron reactions
(Elsevier, 1973-06-18)
We present a model for describing two-body high-energy hadron reactions at energies above the resonance region. Although no real theory yet exists, we can give a procedure for obtaining a (possibly correct) description of ...
Temperature dependence of a vibrational exciton: Some methyl motions of durene
(The American Institute of Physics, 1973-06-01)
An intramolecular vibrational frequency in a molecular crystal has been found to show a significant temperature dependence. The low lying intramolecular mode at 272 cm−1 (room temperature value) of durene‐h14 (and the ...
Search for a coupling scheme in heavy deformed nuclei: The pseudo SU(3) model
(Elsevier, 1973-03-05)
To test the possible usefulness of the pseudo SU(3) coupling scheme a few nuclear properties are examined which can be expected to be governed largely by the (1g2d2d3s) part of the proton configuration for odd-Z nuclei and ...
Microwave properties of n‐type InSb in a magnetic field between 4 and 300 °K
(The American Institute of Physics, 1973-01)
A two‐band conduction model is used to determine the properties of shallow‐type impurity semiconductors in the presence of microwave and dc magnetic fields as a function of temperature. Measurements using cavity perturbation ...
The nighttime distribution of ozone in the low-latitude mesosphere
(Birkhäuser-Verlag; Birkhäuser Verlag ; Springer Science+Business Media, 1973-12)
The intensity of stars at wavelengths in the Hartley continuum region of ozone has been monitored by the University of Wisconsin stellar photometers aboard the OAO-2 satellite during occultation of the star by the earth's ...
Elastic scattering from the multiperipheral model
(Elsevier, 1973-08-20)
Elastic scattering in the Multiperipheral Model (MPM) is examined by use of a new method for simplifying unitary calculations - multiparticle impact parameter. The t dependence of elastic scattering in the MPM is related ...
Impact parameter description of multiparticle and elastic scattering
(Elsevier, 1973-08-06)
Impact parameter variables are defined for a multiparticle production process. The equation of unitarity for elastic scattering is written at high energy in terms of these variables. The overall impact parameter can be ...