Macroscopic mechanism of the excitation of M{lambda}, T=O resonances in inelastic electron scattering
Journal Article
·
· Physics of Atomic Nuclei
OSTI ID:146580
- Joint Institute for Nuclear Research, Dubna (Russian Federation)
A macroscopic mechanism of the excitation of magnetic isoscalar resonances by inelastically scattered electrons is studied in the framework of nuclear fluid dynamics. In this model, a spherical nucleus is considered as a macroparticle of Fermi matter degenerate in spin and isospin. Such matter is described by the equations of a continuous elastic medium. Resonances with M{lambda}, T=O are considered as manifestations of shear torsional vibrations of the nucleus. Collective transition current densities and magnetic form factors are calculated analytically in the plane-wave Born approximation. Cross sections are calculated numerically in the distorted-wave approximation. Theoretical predictions are compared with the characteristic integral parameters of magnetic quadrupole resonances measured in experiments on the inelastic scattering of electrons by spherical nuclei. 25 refs., 6 figs., 1 tab.
- OSTI ID:
- 146580
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 6 Vol. 58; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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