Now showing items 31-40 of 70
Lattice dynamics of noble and transition metals
(IOP Publishing Ltd, 1975-01-01)
A simple model for the calculation of the phonon dispersion curves of the noble and transition metals is proposed. The model uses the concept of a rigid shell moving relative to its nucleus to simulate the response of the ...
A comparison of the Gurevich et al. and the Liu-Jew wake models for the ion flux around a satellite
(Elsevier, 1975-04)
Observations of ion currents obtained by a retarding potential analyzer on board the Explorer 31 Satellite were used to compare the Liu-Jew and Gurevich et al. wake models with experiment. The quantitative degree of agreement ...
Neutron-proton charge-exchange scattering from 8 to 29 GeV/c
(Elsevier, 1975-01-06)
The differential cross sections for neutron-proton charge-exchange scattering have been measured for incident neutron momenta between 8 and 29 GeV/c and for four-momentum transfers |t| between 0.002 and 1.0 (GeV/c)2. A ...
Unitarity bounds for inelastic diffraction
(Elsevier, 1975-05-12)
Unitarity in the s-channel is invoked to derive an upper bound for the inelastic diffractive cross-section as a function of impact parameter. The application of this bound to high-energy proton-proton scattering strongly ...
Search for anomalous multiphoton production at 100-300 GeV
(Elsevier, 1975-12-22)
We have carried out a search for anomalous multiphoton production in neutron-Ch2 collisions at Fermilab. Both anomalous [gamma] events as might be produced in the annihilation of a magnetic monopole pair, as well as events ...
Microscopic description of decoupled h11/2 bands the negative parity spectra of the Au nuclei
(Elsevier, 1975-09-15)
The decoupled h11/2 bands in Au nuclei are investigated in the framework of a shell model description based on the coupling of an h11/2 proton hole to core proton states approximated by the leading representation ( of the ...
A search for precursors to extensive air showers
(Elsevier, 1975-09-29)
No evidence for precursors to cosmic ray air showers was found ("flux"[lsim]10-8cm-2 sr-1s-1) in a sample 2.8 times that of Clay and Crouch and a system noise level several times lower. A simple model leads to a cross ...
Factorization of the j = 7/2 shell of neutrons and protons : Transformation coefficients to states of good particle number
(Elsevier, 1975-10)
Complete tabulations are given, for the j = 7/2 nuclear shell, of the transformation coefficients to states of good particle number needed in a new method of nuclear spectroscopy based on a quasiparticle factorization of ...
A simple class of U ( N ) Racah coefficients and their application
(Springer-Verlag, 1975-06)
Using permutation group techniques, a general expression is derived for the special class of U ( N ) Racah coefficients for which the representations [ f 1 ] and [ f 3 ] in the recoupling matrix for [ f 1 ]×[ f 2 ]×[ f 3 ...