Results 161 to 170 of about 11,244 (213)

Quasielastic electron scattering

Physical Review C, 1974
Data and interpretation are presented for inelastic electron scattering in the quasielastic region from nine target nuclei ranging from lithium to lead at an incident energy of 500 MeV and a scattering angle of 60\ifmmode^\circ\else\textdegree\fi{}. The average kinetic and separation energies of nucleons in these nuclei are deduced.
R. R. Whitney, I. Sick, J. R. Ficenec, R. D. Kephart, W. P. Trower   +4 more
openaire   +1 more source

Quasielastic scattering in PrAl3

Physica B: Condensed Matter, 1997
Abstract Using the long-wavelength polarisation analysis neutron spectrometer (LONGPOL) fitted with time-of-flight analysis, the crystal field excitation spectrum of the rare earth trialuminide PrAl 3 was measured, and transitions of 4.5 and 3.7 meV were observed to take place between states of the Pr 3+ ion.
D.J Goossens, S.J Kennedy, T.J Hicks
openaire   +1 more source

Quasielastic Light Scattering from Diamond

Physical Review Letters, 1985
Strong quasielastic features have been found in light scattering from diamond in the frequency range 0 to \ifmmode\pm\else\textpm\fi{} 200 GHz and have been investigated as a function of wave-vector transfer ($Q$) and temperature ($T$). The evolution of a relatively narrow Lorentzian component (\ensuremath{\sim} 10 GHz) demonstrates for the first time ...
, Jackson, , Harley, , Lindsay, , Anderson   +3 more
openaire   +2 more sources

Quasielastic electron scattering in quasiparticle approach

Physical Review C, 1992
A quasiparticle Hamiltonian, which includes the effects of Hartree-Fock and correlations, has been introduced through a parametrization of the radial shape of the effective mass ${\mathit{m}}^{\mathrm{*}}$(r)/m. Within this phenomenological quasiparticle approach the longitudinal and transverse response functions of quasielastic electron scatterings ...
, Zhongyu, , Feng
openaire   +2 more sources

Quasielastic Electron Scattering and Vacuum Polarization

Physical Review Letters, 1989
The longitudinal response function for quasielastic electron scattering from /sup 12/C and /sup 40/Ca at a momentum transfer q = 550 MeV is calculated in a relativistic random-phase approximation (RPA). The particle-hole response is calculated exactly in the finite system while vacuum-polarization effects are included in a local-density approximation ...
, Horowitz, , Piekarewicz
openaire   +2 more sources

Quasielastic light scattering microscope spectrometer

Applied Optics, 1987
We have developed a quasielastic light scattering microscope spectrometer from a commercially available instrument. The coherence requirements of microscope spectrometers have been examined, and our system performs in agreement with theory. Microscopic scattering volumes can be studied while still minimizing spatial averaging effects on the intensity ...
P S, Blank, R B, Tishler, F D, Carlson
openaire   +2 more sources

Parity-violating quasielastic electron scattering

Physical Review C, 1993
The parity-violating asymmetry [ital A] is calculated for quasielastic electron scattering. We use a relativistic mean field model of the nuclear matter response. A Lorentz scalar mean field (which reduces the nucleon's mass) decreases [vert bar][ital A][vert bar] by a relatively large amount.
openaire   +2 more sources

Quasielastic scattering of Li and Be on C

Nuclear Physics A, 2000
Abstract The quasielastic 11 Li, 12 Be + 12 C scattering at E/A≃60 MeV has been studied by adding a fitted polarisation potential to the folding model potential derived from 9 Li, 12 Be - 12 C and neutron- 12 C phenomenological optical potentials. For 11 Li + 12 C scattering
J.C. Pacheco, N. Vinh Mau
openaire   +1 more source

Internal Viscosity and Quasielastic Scattering

The Journal of Chemical Physics, 1971
The hypotheses leading to internal viscosity of polymers are formulated in terms of the neutron incoherent quasielastic scattering law. The mean squared displacement, calculated in the free draining limit, is obtained as an analytical function of the internal viscosity parameter and is shown to decrease uniformly as this parameter increases.
R. Bidaux, J. P. Cotton, B. Farnoux, G. Jannink   +3 more
openaire   +1 more source

Quasielastic Electron Scattering on 65Cu

AIP Conference Proceedings, 2007
The pioneer method for extraction of quasielastic part from the spectrum of scattered electrons is proposed. The essence of the method is in simultaneous multipole analysis of the mix of quasielastic and resonant formfactors. The identification of resonant peaks and quasielastic part of the formfactor have been held not in scattered electron spectra ...
V. Denyak, S. A. Paschuk, H. R. Schelin, V. Khvastunov   +3 more
openaire   +1 more source